Serious side effects of Zarontin


A small percentage of people who take ethosuximide experience serious reactions. Alert patients to a call doctor immediately if they notice any of the following symptoms:

  • Rash
  • Sore throat, fever, sores in the mouth, or easy bruising (blood dyscrasias)
  • Fever, rash, arthritis, swelling in the lymph nodes (systemic lupus erythematosus or lupuslike syndrome)

As with many seizure medicines, skin rashes (including the very rare Stevens-Johnson syndrome, which can be fatal) have been a problem for a small number of patients. Most rashes are much less serious and will disappear if ethosuximide is withdrawn.


  • Contact a Lawyer 1-855-496-6059

    Please fill out this form and we will get in touch with you .
  • Reload
  • Should be Empty: