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

Any vision problems, especially blurred vision, double vision, eye pain or rapidly decreasing vision; burning, prickling, or tingling sensations; clumsiness or unsteadiness; confusion; continuous, uncontrolled back-and-forth or rolling eye movements; dizziness; drowsiness; eye redness; generalized slowing of mental and physical activity; increased eye pressure; memory problems; menstrual changes; menstrual pain; nervousness; speech or language problems; trouble in concentrating or paying attention; unusual tiredness or weakness

Less common

Abdominal pain; fever, chills, or sore throat; lessening of sensations or perception; loss of appetite; mood or mental changes, including aggression, agitation, apathy, irritability, and mental depression; red, irritated, or bleeding gums; weight loss

Rare

Blood in urine; decrease in sexual performance or desire; difficult or painful urination; eye pain; frequent urination; hearing loss; itching; loss of bladder control; lower back or side pain; nosebleeds; pale skin; red or irritated eyes; ringing or buzzing in ears; skin rash; swelling; troubled 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

Breast pain in women; nausea; tremors

Less common

Back pain; chest pain; constipation; heartburn; hot flushes; increased sweating; leg pain

Topiramate may cause a change in your sense of taste.

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

Incidence not determined——Observed during clinical practice; estimates of frequency cannot be determined

abdominal or stomach pain; bloating; clay-colored stools; confusion; constipation; fatigue; fever; increased rate of breathing; yellow eyes or skin; muscle pain