Drugs >  Ethosuximide
Ethosuximide
Pronunciation
Brand Names
Therapeutic Categories
Reasons not to take this medicine
What is this medicine used for?
How does it work?
How is it best taken?
What do I do if I miss a dose?
What are the precautions when taking this medicine?
What are the common side effects of this medicine?
What should I monitor?
Reasons to call healthcare provider immediately
How should I store this medicine?
General statements

Pronunciation
(eth oh SUKS i mide)

Brand Names
Zarontin®

Therapeutic Categories
Anticonvulsant, Succinimide

Reasons not to take this medicine
  • If you have an allergy to ethosuximide or any other part of this medicine.
  • Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.

  • What is this medicine used for?
  • This medicine is used to treat seizures.

  • How does it work?
  • Ethosuximide calms the brain.

  • How is it best taken?
  • This medicine is usually taken with at least two other medicines.
  • Take this medicine with food.
  • Drink plenty of noncaffeine-containing liquid unless told to drink less liquid by healthcare provider.
  • Follow diet plan and exercise program as recommended by healthcare provider.

  • What do I do if I miss a dose?
  • Take a missed dose as soon as possible.
  • If it is almost time for the next dose, skip the missed dose and return to your regular schedule.
  • Do not take a double dose or extra doses.
  • Do not change dose or stop medicine. This could cause seizures. Talk with healthcare provider.

  • What are the precautions when taking this medicine?
  • Wear disease medical alert identification.
  • Follow laws about driving with a seizure condition.
  • If you have kidney disease, talk with healthcare provider.
  • If you have liver disease, talk with healthcare provider.
  • Check medicines with healthcare provider. This medicine may not mix well with other medicines.
  • Do not take St John's wort with this medicine. It may make this medicine less effective.
  • Avoid alcohol (includes wine, beer, and liquor).
  • Tell healthcare provider if you are pregnant or plan on getting pregnant.
  • Tell healthcare provider if you are breast-feeding.

  • What are the common side effects of this medicine?
  • Feeling lightheaded, sleepy, having blurred vision, or a change in thinking clearly. Avoid driving, doing other tasks or activities that require you to be alert or have clear vision until you see how this medicine affects you.
  • Difficulty moving around.
  • Headache. Mild pain medicine may help.
  • Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard candy, or chewing gum may help.
  • Diarrhea.
  • Dry mouth. Frequent mouth care, sucking hard candy, or chewing gum may help.
  • Not hungry.
  • Anemia, low white blood cell count, and low platelet count can rarely occur.
  • Arthritis-like condition can rarely occur.

  • What should I monitor?
  • Change in condition being treated. Is it better, worse, or about the same?
  • Check blood work (liver, kidney, blood function). Talk with healthcare provider.

  • Reasons to call healthcare provider immediately
  • If you suspect an overdose, call your local poison control center immediately or dial 911.
  • Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
  • Signs or symptoms of infection. These include a fever of 100.5 degrees or higher, chills, severe sore throat, ear or sinus pain, cough, increased sputum or change in color, painful urination, mouth sores, wound that will not heal, or anal itching or pain.
  • Significant change in thinking clearly and logically.
  • Severe nausea or vomiting.
  • Severe diarrhea.
  • Severe muscle pain or weakness.
  • Unusual bruising or bleeding.
  • Any rash.
  • For females, if you become pregnant while taking this medicine.
  • No improvement in condition or feeling worse.

  • How should I store this medicine?
  • Store at room temperature.
  • Protect capsules from moisture. Do not store in a bathroom or kitchen.

  • General statements
  • Do not share your medicine with others and do not take anyone else's medicine.
  • Keep all medicine out of the reach of children and pets.
  • Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
  • Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

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