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|Zonisamide

Zonisamide

Zonisamide is used for:

Treating certain types of seizures (partial seizures) in adults with epilepsy. It is used in combination with other medicines. It may also be used to treat other conditions as determined by your doctor.

Zonisamide is an anticonvulsant. Exactly how Zonisamide works is unknown.

Do NOT use Zonisamide if:

• you are allergic to any ingredient in Zonisamide or to sulfonamides (eg, sulfamethoxazole)
• you have kidney failure

Contact your doctor or health care provider right away if any of these apply to you.

Before using Zonisamide :

Some medical conditions may interact with Zonisamide . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

• if you are pregnant, planning to become pregnant, or are breast-feeding
• if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
• if you have allergies to medicines, foods, or other substances
• if you have liver or kidney disease, a skin rash, or a history of kidney stones

Some MEDICINES MAY INTERACT with Zonisamide . Tell your health care provider if you are taking any other medicines, especially any of the following:

• Anticholinergics (eg, benztropine) or carbonic anhydrase inhibitors (eg, acetazolamide) because the risk of heat stroke may be increased

This may not be a complete list of all interactions that may occur. Ask your health care provider if Zonisamide may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Zonisamide :

Use Zonisamide as directed by your doctor. Check the label on the medicine for exact dosing instructions.

• Zonisamide may be taken with or without food.
• Zonisamide comes with an additional patient leaflet. Read it carefully and reread it each time you get Zonisamide refilled.
• Swallow whole. Do not break, crush, or chew before swallowing.
• Drink plenty of liquids (6 to 8 glasses of water a day) while taking Zonisamide to help prevent kidney stones.
• If Zonisamide is stopped, it should be done gradually. The risk of seizures may be increased if Zonisamide is suddenly stopped. Do not stop taking Zonisamide without checking with your doctor.
• If you miss a dose of Zonisamide , take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Zonisamide .

Important safety information:

• Zonisamide may cause dizziness, drowsiness, or changes in vision. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Zonisamide . Using Zonisamide alone, with certain other medicines, or with alcohol may lessen your ability to drive or to perform other potentially dangerous tasks.
• Zonisamide may cause decreased sweating. Avoid becoming overheated in hot weather, saunas, or during exercise or other activity since heatstroke may occur. Contact your doctor at once if you are not sweating as usual, with or without a fever.
• Contact your doctor at once if your seizures worsen.
• Before you have any medical or dental treatments, emergency care, or surgery, tell the doctor or dentist that you are taking Zonisamide .
• Wear a medical alert tag indicating that you are taking this medicine.
• LAB TESTS, including kidney function tests, may be required to monitor your progress or to check for side effects. Be sure to keep all doctor and lab appointments.
• Zonisamide is not recommended for use in CHILDREN under the age of 16. Safety and effectiveness in this age group have not been confirmed. CHILDREN may be at a higher risk of heat stroke.
• PREGNANCY AND BREAST-FEEDING: Use a reliable form of birth control while taking Zonisamide . If you become pregnant, discuss with your doctor the benefits and risks of using Zonisamide during pregnancy. It is unknown if Zonisamide is excreted in breast milk. If you are or will be breast-feeding while you are using Zonisamide , check with your doctor or pharmacist to discuss the risks to your baby.

Possible side effects of Zonisamide :

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Abnormal skin sensations; agitation; clumsiness; confusion; constipation; diarrhea; dizziness; drowsiness; dry mouth; flu syndrome; headache; indigestion; irritability; loss of appetite; nausea; nervousness; rapid eye movement; runny nose; tiredness; trouble sleeping; vomiting.

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); back and forth eye movements; changes in the amount of urine; dark or bloody urine; decreased sweating; difficulty concentrating; difficulty speaking or other speech problems; double vision; easy bruising or bleeding; fever; loss of coordination; memory problems; mental or mood changes (eg, agitation, depression, irritability); mouth sores; numbness and tingling of hands or feet; painful urination; red, swollen, or blistered skin; severe drowsiness; severe muscle pain or weakness; sore throat; stomach pain; sudden back pain; suicidal thoughts or behaviors; unusual or disturbing thoughts; unusual weakness.

This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org/findyour.htm), or emergency room immediately. Symptoms may include difficulty breathing; dizziness; fatigue; slow heartbeat; weakness.

Store Zonisamide at room temperature, between 59 to 86 degrees F (15 to 30 degrees C), in a tightly closed container. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Zonisamide out of the reach of children and away from pets.

General information:

• If you have any questions about Zonisamide , please talk with your doctor, pharmacist, or other health care provider.
• Zonisamide is to be used only by the patient for whom it is prescribed. Do not share it with other people.
• If your symptoms do not improve or if they become worse, check with your doctor.

This information is a summary only. It does not contain all information about Zonisamide . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.