Medical Editor: John P. Cunha, DO, FACOEP
Zarontin (ethosuximide) Oral solution is an anticonvulsant used for the control of absence (petit mal) epilepsy. Zarontin oral solution is available in generic form. Common side effects of Zarontin oral solution include:
- stomach upset
- loss of appetite
- weight loss
- diarrhea, or
- loss of coordination
A small number of people may experience depression, suicidal thoughts/attempts, or other mental/mood problems while taking Zarontin. Tell your doctor immediately if this occurs.
The initial dose of Zarontin for patients 3 to 6 years of age is one teaspoonful (250 mg) per day; for patients 6 years of age and older, 2 teaspoonfuls (500 mg) per day. The dose thereafter must be individualized according to the patient's response. Zarontin may interact with phenytoin, valproic acid, and other antiepileptic drugs. Tell your doctor all medications and supplements you use. During pregnancy, Zarontin should be used only if prescribed. This drug passes into breast milk. Consult your doctor before breastfeeding.
Our Zarontin (ethosuximide) Oral solution Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
A small number of people who take anticonvulsants for any condition (such as seizure, bipolar disorder, pain) may experience depression, suicidal thoughts/attempts, or other mental/mood problems. Tell your doctor immediately if you or your family/caregiver notice any unusual/sudden changes in your mood, thoughts, or behavior including signs of depression, suicidal thoughts/attempts, thoughts about harming yourself.
Tell your doctor immediately if any of these rare but very serious side effects occur: fainting, signs of infection (such as fever, persistent sore throat), swollen glands, aching swollen joints, rash on nose and cheeks, severe tiredness, easy bruising/bleeding, rapid breathing.
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Read the entire patient information overview for Zarontin Oral Solution (Ethosuximide Oral Solution)
Body As A Whole: Allergic reaction. Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS).
Read the entire FDA prescribing information for Zarontin Oral Solution (Ethosuximide Oral Solution)
© Zarontin Oral Solution Patient Information is supplied by Cerner Multum, Inc. and Zarontin Oral Solution Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.