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Depakote Side Effects

Please note - some side effects for Depakote may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).


For the consumer

For the professional

Side Effects of Depakote - for the consumer


Depakote Delayed-Release Tablets

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Depakote Delayed-Release Tablets:

Change in appetite; constipation; diarrhea; dizziness; drowsiness; hair loss; headache; indigestion; nausea; stomach pain; trouble sleeping; vomiting; weight changes.

Seek medical attention right away if any of these SEVERE side effects occur when using Depakote Delayed-Release Tablets:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); abdominal cramps; abnormal thinking; change in menstrual period; changes in mood or behavior; chest pain; confusion; dark urine; difficulty speaking; difficulty urinating or other urination problems; extreme tiredness; fast or irregular heartbeat; fever; general body discomfort; hallucinations; hearing loss; involuntary movements of the arms and legs; involuntary movements or chewing movements of face, jaw, mouth, or tongue; joint pain; lack of energy; loss of appetite; loss of coordination; loss of seizure control; memory loss; nosebleed; pounding in the chest; severe or persistent nausea, vomiting, or stomach pain; sore throat; swelling of the arms or legs; tremor; unusual bleeding or bruising; unusual weakness; vision changes; yellowing of skin or eyes.


Depakote ER Extended-Release Tablets

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Depakote ER Extended-Release Tablets:

Change in appetite; constipation; diarrhea; dizziness; drowsiness; hair loss; headache; indigestion; nausea; stomach pain; trouble sleeping; vomiting; weight changes.

Seek medical attention right away if any of these SEVERE side effects occur when using Depakote ER Extended-Release Tablets:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); abdominal cramps; abnormal thinking; change in menstrual period; changes in mood or behavior; chest pain; confusion; dark urine; difficulty speaking; difficulty urinating or other urination problems; extreme tiredness; fast or irregular heartbeat; fever; general body discomfort; hallucinations; hearing loss; involuntary movements of the arms and legs; involuntary movements or chewing movements of face, jaw, mouth, or tongue; joint pain; lack of energy; loss of appetite; loss of coordination; loss of seizure control; memory loss; nosebleed; pounding in the chest; severe or persistent nausea, vomiting, or stomach pain; sore throat; swelling of the arms or legs; tremor; unusual bleeding or bruising; unusual weakness; vision changes; yellowing of skin or eyes.


Depakote Sprinkle Capsules

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Depakote Sprinkle Capsules:

Change in appetite; constipation; diarrhea; dizziness; drowsiness; hair loss; headache; indigestion; nausea; stomach pain; trouble sleeping; vomiting; weight changes.

Seek medical attention right away if any of these SEVERE side effects occur when using Depakote Sprinkle Capsules:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); abdominal cramps; abnormal thinking; change in menstrual period; changes in mood or behavior; chest pain; confusion; dark urine; difficulty speaking; difficulty urinating or other urination problems; extreme tiredness; fast or irregular heartbeat; fever; general body discomfort; hallucinations; hearing loss; involuntary movements of the arms and legs; involuntary movements or chewing movements of face, jaw, mouth, or tongue; joint pain; lack of energy; loss of appetite; loss of coordination; loss of seizure control; memory loss; nosebleed; pounding in the chest; severe or persistent nausea, vomiting, or stomach pain; sore throat; swelling of the arms or legs; tremor; unusual bleeding or bruising; unusual weakness; vision changes; yellowing of skin or eyes.

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For the professional


Depakote

Mania

The incidence of treatment-emergent events has been ascertained based on combined data from two placebo-controlled clinical trials of Depakote ER in the treatment of manic episodes associated with bipolar disorder.

Table 1 summarizes those adverse events reported for patients in these trials where the incidence rate in the Depakote ER-treated group was greater than 5% and greater than the placebo incidence.

Table 1. Adverse Events Reported by > 5% of Depakote ER-Treated Patients During Placebo-Controlled Trials of Acute Mania1
Adverse Event Depakote ER
(n=338)
Placebo
(n=263)
1. The following adverse event occurred at an equal or greater incidence for placebo than for Depakote ER: headache
Somnolence 26% 14%
Dyspepsia 23% 11%
Nausea 19% 13%
Vomiting 13% 5%
Diarrhea 12% 8%
Dizziness 12% 7%
Pain 11% 10%
Abdominal pain 10% 5%
Accidental injury 6% 5%
Asthenia 6% 5%
Pharyngitis 6% 5%

The following additional adverse events were reported by greater than 1% but not more than 5% of the Depakote ER-treated patients in controlled clinical trials:

Body as a Whole

Back Pain, Flu Syndrome, Infection, Infection Fungal

Cardiovascular System

Hypertension

Digestive System

Constipation, Dry Mouth, Flatulence

Hemic and Lymphatic System

Ecchymosis

Metabolic and Nutritional Disorders

Peripheral Edema

Musculoskeletal System

Myalgia

Nervous System

Abnormal Gait, Hypertonia, Tremor

Respiratory System

Rhinitis

Skin and Appendages

Pruritis, Rash

Special Senses

Conjunctivitis

Urogenital System

Urinary Tract Infection, Vaginitis

Migraine

Based on the results of one multicenter, randomized, double-blind, placebo-controlled clinical trial, Depakote ER was well tolerated in the prophylactic treatment of migraine headache. Of the 122 patients exposed to Depakote ER in the placebo-controlled study, 8% discontinued for adverse events, compared to 9% for the 115 placebo patients.

Based on two placebo-controlled clinical trials and their long term extension, Depakote (divalproex sodium delayed-release tablets) was generally well tolerated with most adverse events rated as mild to moderate in severity. Of the 202 patients exposed to Depakote in the placebo-controlled trials, 17% discontinued for intolerance. This is compared to a rate of 5% for the 81 placebo patients. Including the long term extension study, the adverse events reported as the primary reason for discontinuation by ≥ 1% of 248 Depakote-treated patients were alopecia (6%), nausea and/or vomiting (5%), weight gain (2%), tremor (2%), somnolence (1%), elevated SGOT and/or SGPT (1%), and depression (1%).

Table 2 includes those adverse events reported for patients in the placebo-controlled trial where the incidence rate in the Depakote ER-treated group was greater than 5% and was greater than that for placebo patients.

Table 2. Adverse Events Reported by > 5% of Depakote ER-Treated Patients During the Migraine Placebo-controlled Trial with a Greater Incidence than Patients Taking Placebo1
Body System
Event
Depakote ER
(N=122)
Placebo
(N=115)

1.   The following adverse events occurred in greater than 5% of Depakote ER-treated patients and at a greater incidence for placebo than for Depakote ER: asthenia and flu syndrome.

Gastrointestinal System
     Nausea 15% 9%
     Dyspepsia 7% 4%
     Diarrhea 7% 3%
     Vomiting 7% 2%
     Abdominal Pain 7% 5%
Nervous System
     Somnolence 7% 2%
Other
     Infection 15% 14%

The following additional adverse events were reported by greater than 1% but not more than 5% of Depakote ER-treated patients and with a greater incidence than placebo in the placebo-controlled clinical trial for migraine prophylaxis:

Body as a Whole

Accidental injury, viral infection.

Digestive System

Increased appetite, tooth disorder.

Metabolic and Nutritional Disorders

Edema, weight gain.

Nervous System

Abnormal gait, dizziness, hypertonia, insomnia, nervousness, tremor, vertigo.

Respiratory System

Pharyngitis, rhinitis.

Skin and Appendages

Rash.

Special Senses

Tinnitus.

Table 3 includes those adverse events reported for patients in the placebo-controlled trials where the incidence rate in the Depakote-treated group was greater than 5% and was greater than that for placebo patients.

Table 3. Adverse Events Reported by > 5% of Depakote-Treated Patients During Migraine Placebo-controlled Trials with a Greater Incidence than Patients Taking Placebo1
Body System
Event
Depakote
(N=202)
Placebo
(N=81)

1.   The following adverse events occurred in greater than 5% of Depakote -treated patients and at a greater incidence for placebo than for Depakote: flu syndrome and pharyngitis.

Gastrointestinal System
     Nausea 31% 10%
     Dyspepsia 13% 9%
     Diarrhea 12% 7%
     Vomiting 11% 1%
     Abdominal Pain 9% 4%
     Increased Appetite 6% 4%
Nervous System
     Asthenia 20% 9%
     Somnolence 17% 5%
     Dizziness 12% 6%
     Tremor 9% 0%
Other
     Weight Gain 8% 2%
     Back Pain 8% 6%
     Alopecia 7% 1%

The following additional adverse events not referred to above were reported by greater than 1% but not more than 5% of Depakote-treated patients and with a greater incidence than placebo in the placebo-controlled clinical trials:

Body as a Whole

Chest pain.

Cardiovascular System

Vasodilatation.

Digestive System

Constipation, dry mouth, flatulence, stomatitis.

Hemic and Lymphatic System

Ecchymosis.

Metabolic and Nutritional Disorders

Peripheral edema.

Musculoskeletal System

Leg cramps.

Nervous System

Abnormal dreams, confusion, paresthesia, speech disorder, thinking abnormalities.

Respiratory System

Dyspnea, sinusitis.

Skin and Appendages

Pruritus.

Urogenital System

Metrorrhagia.

Epilepsy

Based on a placebo-controlled trial of adjunctive therapy for treatment of complex partial seizures, Depakote was generally well tolerated with most adverse events rated as mild to moderate in severity. Intolerance was the primary reason for discontinuation in the Depakote-treated patients (6%), compared to 1% of placebo-treated patients.

Table 4 lists treatment-emergent adverse events which were reported by ≥ 5% of Depakote-treated patients and for which the incidence was greater than in the placebo group, in the placebo-controlled trial of adjunctive therapy for treatment of complex partial seizures. Since patients were also treated with other antiepilepsy drugs, it is not possible, in most cases, to determine whether the following adverse events can be ascribed to Depakote alone, or the combination of Depakote and other antiepilepsy drugs.

Table 4. Adverse Events Reported by ≥ 5% of Patients Treated with Depakote During Placebo-Controlled Trial of Adjunctive Therapy for Complex Partial Seizures
Body System/Event Depakote (%)
(N=77)
Placebo (%)
(N=70)
Body as a Whole
     Headache 31 21
     Asthenia 27 7
     Fever 6 4
Gastrointestinal System
     Nausea 48 14
     Vomiting 27 7
     Abdominal Pain 23 6
     Diarrhea 13 6
     Anorexia 12 0
     Dyspepsia 8 4
     Constipation 5 1
Nervous System
     Somnolence 27 11
     Tremor 25 6
     Dizziness 25 13
     Diplopia 16 9
     Amblyopia/Blurred Vision 12 9
     Ataxia 8 1
     Nystagmus 8 1
     Emotional Lability 6 4
     Thinking Abnormal 6 0
     Amnesia 5 1
Respiratory System
     Flu Syndrome 12 9
     Infection 12 6
     Bronchitis 5 1
     Rhinitis 5 4
Other
     Alopecia 6 1
     Weight Loss 6 0

Table 5 lists treatment-emergent adverse events which were reported by ≥ 5% of patients in the high dose Depakote group, and for which the incidence was greater than in the low dose group, in a controlled trial of Depakote monotherapy treatment of complex partial seizures. Since patients were being titrated off another antiepilepsy drug during the first portion of the trial, it is not possible, in many cases, to determine whether the following adverse events can be ascribed to Depakote alone, or the combination of Depakote and other antiepilepsy drugs.

Table 5. Adverse Events Reported by ≥ 5% of Patients in the High Dose Group in the Controlled Trial of Depakote Monotherapy for Complex Partial Seizures1
Body System/Event High Dose (%)
(N=131)
Low Dose (%)
(N=134)

1.   Headache was the only adverse event that occurred in ≥ 5% of patients in the high dose group and at an equal or greater incidence in the low dose group.

Body as a Whole
     Asthenia 21 10
Digestive System
     Nausea 34 26
     Diarrhea 23 19
     Vomiting 23 15
     Abdominal Pain 12 9
     Anorexia 11 4
     Dyspepsia 11 10
Hemic/Lymphatic System
     Thrombocytopenia 24 1
     Ecchymosis 5 4
Metabolic/Nutritional
     Weight Gain 9 4
     Peripheral Edema 8 3
Nervous System
     Tremor 57 19
     Somnolence 30 18
     Dizziness 18 13
     Insomnia 15 9
     Nervousness 11 7
     Amnesia 7 4
     Nystagmus 7 1
     Depression 5 4
Respiratory System
     Infection 20 13
     Pharyngitis 8 2
     Dyspnea 5 1
Skin and Appendages
     Alopecia 24 13
Special Senses
     Amblyopia/Blurred Vision 8 4
     Tinnitus 7 1

The following additional adverse events were reported by greater than 1% but less than 5% of the 358 patients treated with Depakote in the controlled trials of complex partial seizures:

Body as a Whole

Back pain, chest pain, malaise.

Cardiovascular System

Tachycardia, hypertension, palpitation.

Digestive System

Increased appetite, flatulence, hematemesis, eructation, pancreatitis, periodontal abscess.

Hemic and Lymphatic System

Petechia.

Metabolic and Nutritional Disorders

SGOT increased, SGPT increased.

Musculoskeletal System

Myalgia, twitching, arthralgia, leg cramps, myasthenia.

Nervous System

Anxiety, confusion, abnormal gait, paresthesia, hypertonia, incoordination, abnormal dreams, personality disorder.

Respiratory System

Sinusitis, cough increased, pneumonia, epistaxis.

Skin and Appendages

Rash, pruritus, dry skin.

Special Senses

Taste perversion, abnormal vision, deafness, otitis media.

Urogenital System

Urinary incontinence, vaginitis, dysmenorrhea, amenorrhea, urinary frequency.

Other Patient Populations

The following adverse events not listed previously were reported by greater than 1% of Depakote-treated patients and with a greater incidence than placebo in placebo-controlled trials of manic episodes associated with bipolar disorder:

Body as a Whole

Chills, chills and fever, drug level increased, neck rigidity.

Cardiovascular System

Arrhythmia, hypotension, postural hypotension.

Digestive System

Dysphagia, fecal incontinence, gastroenteritis, glossitis, gum hemorrhage, mouth ulceration.

Hemic and Lymphatic System

Anemia, bleeding time increased, leukopenia.

Metabolic and Nutritional Disorders

Hypoproteinemia.

Musculoskeletal System

Arthrosis.

Nervous System

Agitation, catatonic reaction, dysarthria, hallucinations, hypokinesia, psychosis, reflexes increased, sleep disorder, tardive dyskinesia.

Respiratory System

Hiccup.

Skin and Appendages

Discoid lupus erythematosis, erythema nodosum, furunculosis, maculopapular rash, seborrhea, sweating, vesiculobullous rash.

Special Senses

Conjunctivitis, dry eyes, eye disorder, eye pain, photophobia, taste perversion.

Urogenital System

Cystitis, menstrual disorder.

Adverse events that have been reported with all dosage forms of valproate from epilepsy trials, spontaneous reports, and other sources are listed below by body system.

Gastrointestinal

The most commonly reported side effects at the initiation of therapy are nausea, vomiting, and indigestion. These effects are usually transient and rarely require discontinuation of therapy. Diarrhea, abdominal cramps, and constipation have been reported. Both anorexia with some weight loss and increased appetite with weight gain have also been reported. In some patients, many of whom have functional or anatomic (including ileostomy or colostomy) gastrointestinal disorders with shortened GI transit times, there have been postmarketing reports of Depakote ER tablets in the stool.

CNS Effects

Sedative effects have occurred in patients receiving valproate alone but occur most often in patients receiving combination therapy. Sedation usually abates upon reduction of other antiepileptic medication. Tremor (may be dose-related), hallucinations, ataxia, headache, nystagmus, diplopia, asterixis, "spots before eyes," dysarthria, dizziness, confusion, hypesthesia, vertigo, incoordination, and parkinsonism have been reported with the use of valproate. Rare cases of coma have occurred in patients receiving valproate alone or in conjunction with phenobarbital. In rare instances encephalopathy with or without fever has developed shortly after the introduction of valproate monotherapy without evidence of hepatic dysfunction or inappropriately high plasma valproate levels. Although recovery has been described following drug withdrawal, there have been fatalities in patients with hyperammonemic encephalopathy, particularly in patients with underlying urea cycle disorders.

Several reports have noted reversible cerebral atrophy and dementia in association with valproate therapy.

Dermatologic

Transient hair loss, skin rash, photosensitivity, generalized pruritus, erythema multiforme, and Stevens-Johnson syndrome. Rare cases of toxic epidermal necrolysis have been reported including a fatal case in a 6 month old infant taking valproate and several other concomitant medications. An additional case of toxic epidermal necrosis resulting in death was reported in a 35 year old patient with AIDS taking several concomitant medications and with a history of multiple cutaneous drug reactions. Serious skin reactions have been reported with concomitant administration of lamotrigine and valproate.

Psychiatric

Emotional upset, depression, psychosis, aggression, hyperactivity, hostility, and behavioral deterioration.

Musculoskeletal

Weakness.

Hematologic

Thrombocytopenia and inhibition of the secondary phase of platelet aggregation may be reflected in altered bleeding time, petechiae, bruising, hematoma formation, epistaxis, and frank hemorrhage. Relative lymphocytosis, macrocytosis, hypofibrinogenemia, leukopenia, eosinophilia, anemia including macrocytic with or without folate deficiency, bone marrow suppression, pancytopenia, aplastic anemia, agranulocytosis and acute intermittent porphyria.

Hepatic

Minor elevations of transaminases (eg, SGOT and SGPT) and LDH are frequent and appear to be dose-related. Occasionally, laboratory test results include increases in serum bilirubin and abnormal changes in other liver function tests. These results may reflect potentially serious hepatotoxicity.

Endocrine

Irregular menses, secondary amenorrhea, breast enlargement, galactorrhea, and parotid gland swelling. Abnormal thyroid function tests.

There have been rare spontaneous reports of polycystic ovary disease. A cause and effect relationship has not been established.

Pancreatic

Acute pancreatitis including fatalities.

Metabolic

Hyperammonemia, hyponatremia, and inappropriate ADH secretion.

There have been rare reports of Fanconi's syndrome occurring chiefly in children.

Decreased carnitine concentrations have been reported although the clinical relevance is undetermined.

Hyperglycinemia has occurred and was associated with a fatal outcome in a patient with preexistent nonketotic hyperglycinemia.

Genitourinary

Enuresis and urinary tract infection.

Special Senses

Hearing loss, either reversible or irreversible, has been reported; however, a cause and effect relationship has not been established. Ear pain has also been reported.

Other

Allergic reaction, anaphylaxis, edema of the extremities, lupus erythematosus, bone pain, cough increased, pneumonia, otitis media, bradycardia, cutaneous vasculitis, fever and hypothermia.

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Depakote Capsules

Epilepsy

Based on a placebo-controlled trial of adjunctive therapy for treatment of complex partial seizures, Depakote was generally well tolerated with most adverse events rated as mild to moderate in severity. Intolerance was the primary reason for discontinuation in the Depakote-treated patients (6%), compared to 1% of placebo-treated patients.

Table 1 lists treatment-emergent adverse events which were reported by ≥ 5% of Depakote-treated patients and for which the incidence was greater than in the placebo group, in the placebo-controlled trial of adjunctive therapy for treatment of complex partial seizures. Since patients were also treated with other antiepilepsy drugs, it is not possible, in most cases, to determine whether the following adverse events can be ascribed to Depakote alone, or the combination of Depakote and other antiepilepsy drugs.

Table 1 Adverse Events Reported by ≥ 5% of Patients Treated with Depakote During Placebo-Controlled Trial of Adjunctive Therapy for Complex Partial Seizures
Body System/Event Depakote (%)
(n = 77)
Placebo (%)
(n = 70)
Body as a Whole
     Headache 31 21
     Asthenia 27 7
     Fever 6 4
Gastrointestinal System
     Nausea 48 14
     Vomiting 27 7
     Abdominal Pain 23 6
     Diarrhea 13 6
     Anorexia 12 0
     Dyspepsia 8 4
     Constipation 5 1
Nervous System
     Somnolence 27 11
     Tremor 25 6
     Dizziness 25 13
     Diplopia 16 9
     Amblyopia/Blurred Vision 12 9
     Ataxia 8 1
     Nystagmus 8 1
     Emotional Lability 6 4
     Thinking Abnormal 6 0
     Amnesia 5 1
Respiratory System
     Flu Syndrome 12 9
     Infection 12 6
     Bronchitis 5 1
     Rhinitis 5 4
Other
     Alopecia 6 1
     Weight Loss 6 0

Table 2 lists treatment-emergent adverse events which were reported by ≥ 5% of patients in the high dose Depakote group, and for which the incidence was greater than in the low dose group, in a controlled trial of Depakote monotherapy treatment of complex partial seizures. Since patients were being titrated off another antiepilepsy drug during the first portion of the trial, it is not possible, in many cases, to determine whether the following adverse events can be ascribed to Depakote alone, or the combination of Depakote and other antiepilepsy drugs.

Table 2 Adverse Events Reported by ≥ 5% of Patients in the High Dose Group in the Controlled Trial of Depakote Monotherapy for Complex Partial Seizures1
Body System/Event High Dose (%)
(n = 131)
Low Dose (%)
(n = 134)

1. Headache was the only adverse event that occurred in ≥ 5% of patients in the high dose group and at an equal or greater incidence in the low dose group.

Body as a Whole
     Asthenia 21 10
Digestive System
     Nausea 34 26
     Diarrhea 23 19
     Vomiting 23 15
     Abdominal Pain 12 9
     Anorexia 11 4
     Dyspepsia 11 10
Hemic/Lymphatic System
     Thrombocytopenia 24 1
     Ecchymosis 5 4
Metabolic/Nutritional
     Weight Gain 9 4
     Peripheral Edema 8 3
Nervous System
     Tremor 57 19
     Somnolence 30 18
     Dizziness 18 13
     Insomnia 15 9
     Nervousness 11 7
     Amnesia 7 4
     Nystagmus 7 1
     Depression 5 4
Respiratory System
     Infection 20 13
     Pharyngitis 8 2
     Dyspnea 5 1
Skin and Appendages
     Alopecia 24 13
Special Senses
     Amblyopia/Blurred Vision 8 4
     Tinnitus 7 1

The following additional adverse events were reported by greater than 1% but less than 5% of the 358 patients treated with Depakote in the controlled trials of complex partial seizures:

Body as a Whole

Back pain, chest pain, malaise.

Cardiovascular System

Tachycardia, hypertension, palpitation.

Digestive System

Increased appetite, flatulence, hematemesis, eructation, pancreatitis, periodontal abscess.

Hemic and Lymphatic System

Petechia.

Metabolic and Nutritional Disorders

SGOT increased, SGPT increased.

Musculoskeletal System

Myalgia, twitching, arthralgia, leg cramps, myasthenia.

Nervous System

Anxiety, confusion, abnormal gait, paresthesia, hypertonia, incoordination, abnormal dreams, personality disorder.

Respiratory System

Sinusitis, cough increased, pneumonia, epistaxis.

Skin and Appendages

Rash, pruritus, dry skin.

Special Senses

Taste perversion, abnormal vision, deafness, otitis media.

Urogenital System

Urinary incontinence, vaginitis, dysmenorrhea, amenorrhea, urinary frequency.

Other Patient Populations

Adverse events that have been reported with all dosage forms of valproate from epilepsy trials, spontaneous reports, and other sources are listed below by body system.

Gastrointestinal

The most commonly reported side effects at the initiation of therapy are nausea, vomiting, and indigestion. These effects are usually transient and rarely require discontinuation of therapy. Diarrhea, abdominal cramps, and constipation have been reported. Both anorexia with some weight loss and increased appetite with weight gain have also been reported. The administration of delayed-release divalproex sodium may result in reduction of gastrointestinal side effects in some patients.

CNS Effects

Sedative effects have occurred in patients receiving valproate alone but occur most often in patients receiving combination therapy. Sedation usually abates upon reduction of other antiepileptic medication. Tremor (may be dose-related), hallucinations, ataxia, headache, nystagmus, diplopia, asterixis, "spots before eyes", dysarthria, dizziness, confusion, hypesthesia, vertigo, incoordination, and parkinsonism have been reported with the use of valproate. Rare cases of coma have occurred in patients receiving valproate alone or in conjunction with phenobarbital. In rare instances encephalopathy with or without fever has developed shortly after the introduction of valproate monotherapy without evidence of hepatic dysfunction or inappropriately high plasma valproate levels. Although recovery has been described following drug withdrawal, there have been fatalities in patients with hyperammonemic encephalopathy, particularly in patients with underlying urea cycle disorders.

Several reports have noted reversible cerebral atrophy and dementia in association with valproate therapy.

Dermatologic

Transient hair loss, skin rash, photosensitivity, generalized pruritus, erythema multiforme, and Stevens-Johnson syndrome. Rare cases of toxic epidermal necrolysis have been reported including a fatal case in a 6 month old infant taking valproate and several other concomitant medications. An additional case of toxic epidermal necrosis resulting in death was reported in a 35 year old patient with AIDS taking several concomitant medications and with a history of multiple cutaneous drug reactions. Serious skin reactions have been reported with concomitant administration of lamotrigine and valproate.

Psychiatric

Emotional upset, depression, psychosis, aggression, hyperactivity, hostility, and behavioral deterioration.

Musculoskeletal

Weakness.

Hematologic

Thrombocytopenia and inhibition of the secondary phase of platelet aggregation may be reflected in altered bleeding time, petechiae, bruising, hematoma formation, epistaxis, and frank hemorrhage. Relative lymphocytosis, macrocytosis, hypofibrinogenemia, leukopenia, eosinophilia, anemia including macrocytic with or without folate deficiency, bone marrow suppression, pancytopenia, aplastic anemia, agranulocytosis and acute intermittent porphyria.

Hepatic

Minor elevations of transaminases (eg, SGOT and SGPT) and LDH are frequent and appear to be dose-related. Occasionally, laboratory test results include increases in serum bilirubin and abnormal changes in other liver function tests. These results may reflect potentially serious hepatotoxicity.

Endocrine

Irregular menses, secondary amenorrhea, breast enlargement, galactorrhea, and parotid gland swelling. Abnormal thyroid function tests.

There have been rare spontaneous reports of polycystic ovary disease. A cause and effect relationship has not been established.

Pancreatic

Acute pancreatitis including fatalities.

Metabolic

Hyperammonemia, hyponatremia, and inappropriate ADH secretion.

There have been rare reports of Fanconi's syndrome occurring chiefly in children.

Decreased carnitine concentrations have been reported although the clinical relevance is undetermined.

Hyperglycinemia has occurred and was associated with a fatal outcome in a patient with preexistent nonketotic hyperglycinemia.

Genitourinary

Enuresis and urinary tract infection.

Special Senses

Hearing loss, either reversible or irreversible, has been reported; however, a cause and effect relationship has not been established. Ear pain has also been reported.

Other

Allergic reaction, anaphylaxis, edema of the extremities, lupus erythematosus, bone pain, cough increased, pneumonia, otitis media, bradycardia, cutaneous vasculitis, fever, and hypothermia.

Mania

Although Depakote Sprinkle Capsules have not been evaluated for safety and efficacy in the treatment of manic episodes associated with bipolar disorder, the following adverse events not listed above were reported by 1% or more of patients from two placebo-controlled clinical trials of Depakote tablets.

Body as a Whole

Chills, neck pain, neck rigidity.

Cardiovascular System

Hypotension, postural hypotension, vasodilation.

Digestive System

Fecal incontinence, gastroenteritis, glossitis.

Musculoskeletal System

Arthrosis.

Nervous System

Agitation, catatonic reaction, hypokinesia, reflexes increased, tardive dyskinesia, vertigo.

Skin and Appendages

Furunculosis, maculopapular rash, seborrhea.

Special Senses

Conjunctivitis, dry eyes, eye pain.

Urogenital System

Dysuria.

Migraine

Although Depakote Sprinkle Capsules have not been evaluated for safety and efficacy in the treatment of prophylaxis of migraine headaches, the following adverse events not listed above were reported by 1% or more of patients from two placebo-controlled clinical trials of Depakote tablets.

Body as a Whole

Face edema.

Digestive System

Dry mouth, stomatitis.

Urogenital System

Cystitis, metrorrhagia, and vaginal hemorrhage.

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More resources:

Drugs.com Depakote

PDR Depakote

MedFacts Depakote ER Extended-Release Tablets

MedFacts Depakote Delayed-Release Tablets

Micromedex Depakote - Includes detailed dosage instructions.

FDA Depakote

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