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Drug Information
Side Effects > Olanzapine

Olanzapine Side Effects

Brand Names: Zyprexa Zydis, Zyprexa

Please note - some side effects for Olanzapine 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

Side Effects of Olanzapine - for the consumer


Olanzapine/Fluoxetine

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 Olanzapine/Fluoxetine:

Constipation; decreased sexual desire or ability; dizziness; drowsiness; diarrhea; dry mouth; increased appetite; sore throat; weakness; weight gain.

Seek medical attention right away if any of these SEVERE side effects occur when using Olanzapine/Fluoxetine:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); abnormal thoughts; black or bloody stools; chest pain; confusion; decreased coordination; fast, slow, or irregular heartbeat; fainting; fever; joint pain; memory loss; new or worsening agitation, anxiety, panic attacks, aggressiveness, impulsiveness, irritability, hostility, exaggerated feeling of well being, restlessness, or inability to sit still; persistent, painful erection; red, swollen, blistered, or peeling skin; rigid muscles; seizures; severe or persistent dizziness or trouble sleeping; suicidal thoughts or attempts; swelling of the hands, ankles, or feet; symptoms of high blood sugar (eg, increased thirst, hunger, or urination; unusual weakness); tremor; trouble concentrating, speaking, swallowing, or walking; uncontrolled muscle movements (eg, arm or leg movements, twitching of the face or tongue, jerking or twisting); unusual bruising or bleeding; unusual or severe mental or mood changes; unusual swelling, hoarseness, or sweating; vision changes; worsening of depression.


Olanzapine

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 Olanzapine:

Dizziness; drowsiness; lightheadedness; pain, redness, or swelling at the injection site; weakness.

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

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); abnormal thoughts; chest pain; confusion; decreased urination; fainting; fast, slow, or irregular heartbeat; fever; increased saliva production or drooling; increased sweating; memory loss; menstrual changes; muscle pain, weakness, or stiffness; new or worsening mental or mood changes (eg, depression, hallucinations); seizures; severe or prolonged dizziness or headache; shortness of breath; swelling of the hands, legs, or feet; symptoms of high blood sugar (eg, increased thirst, hunger, urination, unusual weakness); tremor; trouble concentrating, speaking, or swallowing; trouble sitting still; trouble walking or standing; uncontrolled muscle movements (eg, arm or leg movements, twitching of the face or tongue, jerking or twisting); unusual bruising; vision changes; yellowing of the skin or eyes.


Olanzapine Orally Disintegrating 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 Olanzapine Orally Disintegrating Tablets:

Back or joint pain; constipation; cough; dizziness; drowsiness; dry mouth; increased appetite; indigestion; lightheadedness; numbness or tingling of the skin; restlessness; sore throat; weakness; weight gain.

Seek medical attention right away if any of these SEVERE side effects occur when using Olanzapine Orally Disintegrating Tablets:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); abnormal thoughts; chest pain; confusion; decreased urination; fainting; fast, slow, or irregular heartbeat; fever; increased saliva production or drooling; increased sweating; memory loss; menstrual changes; muscle pain, weakness, or stiffness; new or worsening mental or mood changes (eg, depression, hallucinations); seizures; severe or prolonged dizziness or headache; shortness of breath; swelling of the hands, legs, or feet; symptoms of high blood sugar (eg, increased thirst, hunger, urination; unusual weakness); tremor; trouble concentrating, speaking, or swallowing; trouble sitting still; trouble walking or standing; uncontrolled muscle movements (eg, arm or leg movements, twitching of the face or tongue, jerking or twisting); unusual bruising; vision changes; yellowing of the skin or eyes.


Olanzapine 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 Olanzapine Tablets:

Back or joint pain; constipation; cough; dizziness; drowsiness; dry mouth; increased appetite; indigestion; lightheadedness; numbness or tingling of the skin; restlessness; sore throat; weakness; weight gain.

Seek medical attention right away if any of these SEVERE side effects occur when using Olanzapine Tablets:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); abnormal thoughts; chest pain; confusion; decreased urination; fainting; fast, slow, or irregular heartbeat; fever; increased saliva production or drooling; increased sweating; memory loss; menstrual changes; muscle pain, weakness, or stiffness; new or worsening mental or mood changes (eg, depression, hallucinations); seizures; severe or prolonged dizziness or headache; shortness of breath; swelling of the hands, legs, or feet; symptoms of high blood sugar (eg, increased thirst, hunger, urination; unusual weakness); tremor; trouble concentrating, speaking, or swallowing; trouble sitting still; trouble walking or standing; uncontrolled muscle movements (eg, arm or leg movements, twitching of the face or tongue, jerking or twisting); unusual bruising; vision changes; yellowing of the eyes or skin.

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More resources:

Drugs.com Zyprexa

PDR Olanzapine

MedFacts Zyprexa Zydis Orally Disintegrating Tablets

MedFacts Zyprexa

MedFacts Olanzapine

Micromedex Olanzapine - Includes detailed dosage instructions.

Facts & Comparisons Olanzapine

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