Celontin Side Effects

Generic Name: methsuximide

Please note - some side effects for Celontin may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Side Effects of Celontin - for the Consumer

Celontin

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 Celontin:

Constipation; diarrhea; dizziness; drowsiness; headache; loss of appetite; loss of coordination; nausea; stomach pain; trouble sleeping; vomiting; weight loss.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); aggressive behavior; bloody urine; blurred vision or other vision changes; clumsiness; confusion; dark urine; fever, chills, or persistent sore throat; hallucinations; new or worsening mood or mental changes (eg, anxiety, depression, nervousness, restlessness, irritability, panic attacks, behavior changes, suicidal thoughts or attempts); new or worsening seizures; red, swollen, peeling, or blistered skin; sensitivity to light; yellowing of the skin or eyes.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

Celontin Side Effects - for the Professional

Celontin

Gastrointestinal System: Gastrointestinal symptoms occur frequently and have included nausea or vomiting, anorexia, diarrhea, weight loss, epigastric and abdominal pain, and constipation.

Hemopoietic System: Hemopoietic complications associated with the administration of methsuximide have included eosinophilia, leukopenia, monocytosis, and pancytopenia with or without bone marrow suppression.

Nervous System: Neurologic and sensory reactions reported during therapy with methsuximide have included drowsiness, ataxia or dizziness, irritability and nervousness, headache, blurred vision, photophobia, hiccups, and insomnia. Drowsiness, ataxia, and dizziness have been the most frequent side effects noted. Psychologic abnormalities have included confusion, instability, mental slowness, depression, hypochondriacal behavior, and aggressiveness. There have been rare reports of psychosis, suicidal behavior, and auditory hallucinations.

Integumentary System: Dermatologic manifestations which have occurred with the administration of methsuximide have included urticaria, Stevens-Johnson syndrome, and pruritic erythematous rashes.

Cardiovascular: Hyperemia.

Genitourinary System: Proteinuria, microscopic hematuria.

Body as a Whole: Periorbital edema.

Side Effects by Body System - for Healthcare Professionals

Ocular

Ocular side effects have included periorbital edema.

Genitourinary

Genitourinary side effects have included proteinuria and microscopic hematuria.

Cardiovascular

Cardiovascular side effects have included hyperemia.

Dermatologic

Dermatologic side effects have included urticaria, Stevens-Johnson syndrome, and pruritic erythematous rashes.

Nervous system

Nervous system side effects have included drowsiness, ataxia or dizziness, irritability and nervousness, headache, blurred vision, photophobia, hiccups, and insomnia.

Psychiatric

Psychiatric side effects have included confusion, instability, mental slowness, depression, hypochondriacal behavior, and aggressiveness. There have also been rare reports of psychosis, suicidal behavior, and auditory hallucinations.

Hematologic

Hematologic side effects have included eosinophilia, leukopenia, monocytosis, and pancytopenia with or without bone marrow suppression.

Gastrointestinal

Gastrointestinal side effects have included nausea, vomiting, anorexia, diarrhea, weight loss, epigastric and abdominal pain, and constipation.

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