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Side Effects
Felbamate may cause some serious side effects, including blood problems and liver problems. You and your doctor should discuss the good this medicine will do as well as the risks of receiving it.
Along with its needed effects, a medicine may cause some unwanted effects. Some side effects will have signs or symptoms that you can see or feel. Your doctor may watch for others by doing certain tests. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
More common- Fever
- Purple or red spots on skin
- Black or tarry stools
- Blood in urine or stools
- Chills
- Continuing headache
- Continuing stomach pain
- Continuing vomiting
- Dark-colored urine
- General feeling of tiredness or weakness
- Light-colored stools
- Nosebleeds or other unusual bruising or bleeding
- Shortness of breath, trouble in breathing, wheezing, or tightness in chest
- Sore throat
- Sores, ulcers, or white spots on lips or in mouth
- Swelling of face
- Swollen or painful glands
- Yellow eyes or skin
Check with your doctor as soon as possible if any of the following side effects occur:
More common- Walking in unusual manner
- Agitation, aggression, or other mood or mental changes
- Clumsiness or unsteadiness
- Skin rash
- Trembling or shaking
- Chest pain
- Hives or itching
- Muscle cramps
- Nasal congestion
- Pain
- Sensitivity of skin to sunlight
- Swollen lymph nodes
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- Change in your sense of taste
- Constipation
- Difficulty in sleeping
- Dizziness
- Headache
- Indigestion
- Loss of appetite
- Nausea
- Stomach pain
- Vomiting
- Blurred or double vision
- Coughing
- Diarrhea
- Drowsiness
- Ear congestion or pain
- Runny nose
- Sneezing
- Weight loss
This medicine may also cause the following side effects that your doctor will watch for:
Rare- Blood problems
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.
