Side Effects
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:
Less common- Skin rash or hives
- Confusion
- Hallucinations (seeing, hearing, or feeling things that are not there)
- Unusual excitement
- Confusion (continuing)
- Convulsions (seizures)
- Difficulty in swallowing
- Drowsiness (severe)
- Low body temperature
- Nausea, vomiting, or stomach pain (severe)
- Shortness of breath or troubled breathing
- Slow or irregular heartbeat
- Slurred speech
- Staggering
- Weakness (severe)
Some 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. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common- Nausea
- Stomach pain
- Vomiting
- Clumsiness or unsteadiness
- Diarrhea
- Dizziness or lightheadedness
- Drowsiness
- ``hangover'' effect
After you stop using this medicine, it may still produce some side effects that need attention. During this period of time, check with your doctor immediately if you notice the following side effects:
- Confusion
- Hallucinations (seeing, hearing, or feeling things that are not there)
- Nausea or vomiting
- Nervousness
- Restlessness
- Stomach pain
- Trembling
- Unusual excitement
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.


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