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.

Get emergency help immediately if any of the following symptoms of overdose occur :

Convulsions (seizures); difficulty in breathing; pinpointed pupils of the eyes

Also, check with your doctor as soon as possible if any of the following side effects occur:

Less common or rare

Blisters under the skin; blurred vision; change in walking and balance; convulsions (seizures); difficult urination; dizziness or lightheadedness when getting up from a lying or sitting position; fainting; fast heartbeat; frequent urge to urinate; loss of memory; numbness, tingling, pain, or weakness in hands or feet; seeing, hearing, or feeling things that are not there; severe redness, swelling, and itching of the skin; shortness of breath; trembling and shaking of hands or feet; trouble performing routine tasks

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

Abdominal or stomach pain; agitation; anxiety; constipation; diarrhea; dizziness; drowsiness; dry mouth; headache; heartburn; itching of the skin; loss of appetite; loss of strength or weakness; nausea; nervousness; skin rash; sweating; unusual feeling of excitement; vomiting

Less common

After you stop using this medicine, your body may need time to adjust. The length of time this takes depends on the amount of medicine you were using and how long you used it. During this period of time check with your doctor if you notice any of the following side effects:

Anxiety; body aches; diarrhea; fast heartbeat; fever, runny nose, or sneezing; gooseflesh; high blood pressure; increased sweating; increased yawning; loss of appetite; nausea or vomiting; nervousness, restlessness or irritability; shivering or trembling; stomach cramps; trouble in sleeping; unusually large pupils; weakness

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