Olanzapine (Systemic)

Brand Names : Zyprexa

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

More common

Agitation; behavior problems; difficulty in speaking or swallowing; restlessness or need to keep moving; stiffness of arms or legs; trembling or shaking of hands and fingers

Less common

Chest pain; fever; flu-like symptoms; inability to move eyes; lip smacking or puckering; mood or mental changes, such as anger, anxiety, giddiness, loss of memory, or nervousness; muscle spasms of face, neck, and back; puffing of cheeks; rapid or worm-like movements of tongue; swelling of feet or ankles; twitching movements; uncontrolled chewing movements; uncontrolled movements of arms and legs

Rare

Changes in menstrual period; confusion; mental or physical sluggishness; skin rash; swelling of face; trouble in breathing

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

More common

Constipation; dizziness; dizziness or fainting when getting up suddenly from a lying or sitting position; drowsiness; dryness of mouth; headache; runny nose; vision problems; weakness; weight gain

Less common or rare

Abdominal pain; awareness of heartbeat; decrease in sexual desire; double vision; fast heartbeat; increased appetite; increased cough; increased sensitivity of skin to sunlight; joint pain; low blood pressure; nausea; sore throat; stuttering; thirst; tightness of muscles; trouble in controlling urine; trouble in sleeping; vomiting; watering of mouth; weight loss

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.