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:

Less common

Fast, pounding, or irregular heartbeat or pulse

Rare

Blurred vision; change in near or distance vision; difficulty in focusing eyes

Incidence not known

Convulsions; muscle spasm or jerking of arms and legs; sudden loss of consciousness

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. 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

Stomach pain; loss of appetite; nausea; weight loss

Less common

Fever; sleeplessness; trouble sleeping; twitching; unable to sleep

Symptoms of overdose

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

Anxiety; bigger, dilated, or enlarged pupils (black part of eye); blurred vision; change in consciousness; chest pain or discomfort; confusion as to time, place, or person; dizziness; dry mouth; dryness of mucous membranes; fainting; false or unusual sense of well-being; fast, slow, or irregular heartbeat ; feeling of warmth; fever; hallucinations; headache; holding false beliefs that cannot be changed by fact; hyperventilation; increased sensitivity of eyes to light; irregular heartbeats; irritability; lightheadedness; loss of consciousness; mood or mental changes; muscle twitching; nervousness; overactive reflexes; pounding in the ears; pounding or rapid pulse; redness of the face, neck, arms and occasionally upper chest; restlessness; shaking; seeing, hearing, or feeling things that are not there; seizures; shortness of breath; slow or fast heartbeat; sweating; tremors such as shakiness; trouble sleeping; unusual excitement; vomiting

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.

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