This medication may rarely cause a serious condition called neuroleptic malignant syndrome (NMS). Seek immediate medical attention if you develop any of the following symptoms: fever, muscle stiffness, severe confusion, increased sweating, fast/irregular heartbeat.
Tell your doctor immediately if any of these rare but very serious side effects occur:
- dark urine
- persistent nausea/vomiting
- stomach/abdominal pain
- yellowing of eyes/skin
- seizures
Seek immediate medical attention if any of these rare but very serious side effects occur:
- slow/fast/irregular heartbeat
- severe dizziness
- chest pain
- fainting
A very severe allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include:
- rash
- itching/swelling (especially of the face/tongue/throat)
- severe dizziness
- trouble breathing
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
Call your doctor for medical advice about side effects. In the US, you may report side effects to the Food and Drug Administration (FDA) at 1-800-FDA-1088.
In Canada, you may report side effects to Health Canada at 1-866-234-2345.
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