In clinical studies, the most common side effects of Keveyis® (dichlorphenamide) 50 mg tablets were a tingling or pricking sensation, difficulty thinking and paying attention, changes in taste, and confusion.1
Keveyis has been shown in studies to reduce the number of attacks of muscle weakness in people with primary hyperkalemic and hypokalemic periodic paralysis and related variants.1
Keveyis is not for everyone. Do not take Keveyis if you are on a high-dose aspirin regimen, are allergic to sulfa-based drugs, have liver, kidney, or certain lung conditions, or are pregnant, planning to become pregnant, or nursing.1
Make an appointment to talk to your healthcare provider about Keveyis.
The amount of Keveyis you will take is based on your specific needs. The recommended starting dose is 50 mg taken twice a day. Your healthcare provider may decide to adjust your dose over time depending on how you respond to Keveyis and whether or not you experience side effects.1
You should notify your healthcare provider if you experience worsening of symptoms of primary periodic paralysis.1
If you are a patient or healthcare provider with questions about how to fill a prescription for Keveyis (dichlorphenamide), or if you have any other questions related to Keveyis, call 844-KEVEYIS or fax to 844-KEV-1030.
KEVEYIS (keh-VAY-iss) (dichlorphenamide) is a prescription drug used to treat primary hyperkalemic periodic paralysis, primary hypokalemic periodic paralysis, and other similar diseases.
Tell your doctor if you are allergic to dichlorphenamide or other sulfur drugs; if you take high doses of aspirin, or if you have lung or liver disease; if you are pregnant, plan to become pregnant, or are breastfeeding or plan to breastfeed.
The most common side effects are a feeling of numbness, tingling or burning (“pins and needles”) in the toes, feet, hands or fingers; trouble with memory or thinking; feeling confused; and unpleasant taste in the mouth.
These are not all of the possible side effects of KEVEYIS. Call your healthcare provider for medical advice about side effects. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088.
Please see Prescribing Information (PDF).
Reference: 1. KEVEYIS Prescribing Information. Trevose, PA: Strongbridge Biopharma; 2015.