Ethosuximide has been shown to cause some side effects. Talk to a health care provider if these adverse reactions become severe or do not go away after a few days.
Common symptoms reported from ethosuximide use include:
- Nausea/ vomiting
- Diarrhea
- Stomach pain
- Loss of appetite
- Weight loss
- Drowsiness
This is not a complete list of adverse effects – though these are the most common. Seek medical attention right away if you experience symptoms such as sore throat, joint or muscle pain, rash, fever, hives, or blisters while taking ethosuximide.
As with all prescription medication, be sure to inform the prescribing doctor about any medical conditions you have been previously diagnosed with, as well as any medication/ supplements you are currently taking before starting treatment with ethosuximide. Ethosuximide can interact with other forms of medication and substances, causing potentially serious side effects. In addition, let your doctor know if you are pregnant or plan on becoming pregnant. If you become pregnant while taking ethosuximide, inform your health care provider immediately.