Epilepsy Home > Zonegran Side Effects

While most people have no side effects when taking Zonegran, problems can still occur. Some common side effects of the drug include drowsiness, loss of appetite, and agitation. These side effects are generally mild; however, serious side effects are possible. If you experience side effects such as hallucinations or signs of an allergic reaction, seek immediate medical attention.

An Introduction to Zonegran Side Effects

As with any medicine, side effects are possible with Zonegran® (zonisamide); however, not everyone who takes the medication will experience side effects. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or are easily treated by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with Zonegran. Your healthcare provider can discuss a more complete list of Zonegran side effects with you.)

Common Side Effects of Zonegran

Zonegran has been studied thoroughly in clinical trials. In these studies, the side effects that occur in a group of people taking the drug are documented and are then compared to side effects that occur in another group of people not taking the medicine. This way, it is possible to see what side effects occur, how often they appear, and how they compare to the group not taking the medicine.
In these studies, the most common side effects of Zonegran included:
  • Drowsiness -- in up to 17 percent of people
  • Loss of appetite -- up to 13 percent
  • Headaches -- up to 10 percent
  • Agitation or irritability -- up to 9 percent
  • Nausea -- up to 9 percent
  • Fatigue -- up to 8 percent.
Other common side effects (occurring in 2 to 6 percent of people) included:
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
List of references (click here):
Other Articles in This eMedTV Presentation




Related Channels

eMedTV Links
Copyright © 2006-2019 Clinaero, Inc.

eMedTV serves only as an informational resource. This site does not dispense medical advice or advice of any kind. Site users seeking medical advice about their specific situation should consult with their own physician. Click Terms of Use for more information.

This site complies with the HONcode standard for trustworthy health information:
verify here.