Ethosuximide (By mouth)
Treats seizures in patients who have epilepsy.
ZarontinThere may be other brand names for this medicine.
When This Medicine Should Not Be Used:Do not use this medicine if you have had an allergic reaction to ethosuximide or to similar medicines (such as methsuximide, Celontin).
How to Use This Medicine:
Liquid Filled Capsule, Liquid
- Your doctor will tell you how much of this medicine to use and how often. Your dose may need to be changed several times in order to find out what works best for you. Do not use more medicine or use it more often than your doctor tells you to.
- This medicine can be used with other seizure medicines. Keep using all of your seizure medicines unless your doctor tells you to stop.
- This medicine should come with a Medication Guide. Read and follow these instructions carefully. Ask your doctor or pharmacist if you have any questions. Ask your pharmacist for the Medication Guide if you do not have one.
If a dose is missed:
- If you miss a dose or forget to use your medicine, use it as soon as you can. If it is almost time for your next dose, wait until then to use the medicine and skip the missed dose. Do not use extra medicine to make up for a missed dose.
How to Store and Dispose of This Medicine:
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Do not freeze the oral liquid.
- Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
- Keep all medicine away from children and never share your medicine with anyone.
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Make sure that your doctor knows if you also use phenytoin (Dilantin) or valproic acid (Depakene).
- Tell your doctor if you are using any medicines that make you sleepy. These include sleeping pills, cold and allergy medicine, narcotic pain relievers, and sedatives.Also tell your doctor if you drink alcohol.
Warnings While Using This Medicine:
- Make sure your doctor knows if you are pregnant or breastfeeding or if you have kidney disease, liver disease, or a history of depression.
- This medicine can increase thoughts of suicide. Tell your doctor right away if you start to feel more depressed and have thoughts about hurting yourself. Report any unusual thoughts or behaviors that trouble you, especially if they are new or get worse quickly. Let the doctor know if you or anyone in your family has bipolar disorder (manic-depressive) or has tried to commit suicide.
- This medicine may increase the risk of grand mal seizures in certain patients. Talk with your doctor if you have concerns about this risk.
- Tell your doctor right away if you have a skin rash, muscle or joint pain, fever, unusual tiredness, or pain the chest that gets worse with breathing. These could be signs of a serious condition called Systematic Lupus Erythematosus (SLE).
- This medicine can lower the number of some types of blood cells in your body. Tell your doctor right away if you have a fever, sore throat, unusual bleeding or bruising, or swollen glands.
- Serious skin reactions can occur with this medicine. Check with your doctor right away if you have a severe skin rash, blistering, peeling, or loose skin, red skin lesions, sores or ulcers on the skin, or fever or chills while you use this medicine.
- Do not stop using this medicine suddenly without asking your doctor. You may need to slowly decrease your dose before stopping it completely.
- This medicine may make you dizzy or drowsy. Do not drive, use machines, or do anything else that could be dangerous until you know how this medicine affects you.
- Your doctor will need to check your blood or urine at regular visits while you are using this medicine. Be sure to keep all appointments.
Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Blistering, peeling, or red skin rash
- Chest pain, trouble breathing
- Fever, chills, cough, sore throat, body aches
- Muscle or joint pain
- Problems with balance or walking
- Swollen, painful, or tender glands in the neck, armpit, or groin
- Unusual behavior or mood changes, depression, or thoughts of hurting yourself
- Unusual bleeding, bruising, or weakness
If you notice these less serious side effects, talk with your doctor:
- Diarrhea, nausea, vomiting, loss of appetite, or stomach pain
- Dizziness or drowsiness
- Mild rash
- Weight loss
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
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