What is Zarontin (ethosuximide)?
Ethosuximide is a drug used to control seizures. It works by slowing down impulses in the brain that cause seizures.
Ethosuximide is used to treat absence or "petit mal" seizures.
Ethosuximide may also be used for purposes other than those listed in this medication guide.
How should I take Zarontin (ethosuximide)?
Take ethosuximide exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.
Take each dose of ethosuximide with a full glass of water. Take ethosuximide with food to lessen stomach upset.
Measure the liquid form of ethosuximide with a special dose-measuring spoon or a cup not with a regular tablespoon to ensure that you measure the correct amount. If you do not have a dose measuring spoon, ask your pharmacist where you can get one.
It is important to take ethosuximide regularly to get the most benefit.
Do not change the brand name, generic formulation, or dose of ethosuximide that you are taking without first talking to your doctor.
Do not stop taking this medication even if you feel better. It is important to continue taking ethosuximide to prevent seizures from recurring.
Carry or wear a medical identification tag to let others know that you are taking this medicine in case of an emergency.
Store ethosuximide capsules and solution at room temperature away from moisture and heat.
What happens if I overdose?
Symptoms of a ethosuximide overdose include confusion, slurred speech, stumbling or staggering walk, imbalance, drowsiness, unconsciousness, nausea, vomiting, tremor, low blood pressure, and slow breathing.
What should I avoid while taking Zarontin (ethosuximide)?
Do not drink alcohol while taking this medication. Alcohol can cause deep sedation or sleepiness when taken with ethosuximide. Use caution when driving, operating machinery, or performing other hazardous activities. Ethosuximide may cause dizziness or drowsiness. If you experience dizziness or drowsiness, avoid these activities.
Zarontin (ethosuximide) side effects
If you experience any of the following serious side effects, stop taking ethosuximide and seek emergency medical attention:
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an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
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hallucinations or agitation;
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slurred speech or staggering walk;
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a rash;
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changes in vision;
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easy bruising or bleeding; or
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swollen or tender gums.
Other, less serious side effects may be more likely to occur. Continue to take ethosuximide and talk to your doctor if you experience
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nausea, vomiting, decreased appetite, constipation, or diarrhea;
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mild dizziness or drowsiness;
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tender or swollen glands;
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hiccups;
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lethargy and fatigue;
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irritability;
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euphoria;
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abdominal pain;
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headache;
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muscle twitches;
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increased facial hair;
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swelling of the breasts; or
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insomnia.
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