Side Effects of Zaleplon

Common side effects of zaleplon may include drowsiness, headache, and weakness. Most side effects of zaleplon are considered minor and do not require medical attention, but it is possible to develop more severe side effects that should be reported to a healthcare provider. Contact your healthcare provider immediately if you experience an allergic reaction, anxiety or nervousness, hallucinations, or depression.

Zaleplon Side Effects: An Introduction

As with any medicine, there are possible side effects with zaleplon (Sonata®). However, not everyone who takes this drug will experience side effects. In fact, most people tolerate it well. When zaleplon side effects do occur, they are generally minor and either require no treatment or can easily be treated by you or your healthcare provider.
(The zaleplon side effects discussed below are not a complete list of side effects reported with this drug. Your healthcare provider can discuss a more complete list of possible side effects with you.)

Common Side Effects of Zaleplon

Zaleplon has been studied extensively in clinical trials, with many people having been evaluated. In these studies, side effects occurring in the group of people taking the drug are always documented and compared to the side effects that occur in a similar group of people not taking the medicine. Based on these studies, the most common zaleplon side effects include:
  • Headache -- up to 42 percent of people
  • Dizziness -- up to 9 percent
  • Nausea -- up to 8 percent
  • Weakness -- up to 7 percent
  • Drowsiness -- up to 6 percent
  • Abdominal pain (or stomach pain) -- up to 6 percent
  • Menstrual pain -- up to 4 percent
  • Memory problems (amnesia) -- up to 4 percent (see Sonata and Amnesia).
Other zaleplon side effects (occurring in more than 1 percent of people) include, but are not limited to:
  • Constipation
  • Dry mouth
  • Unusual sensations (such as tingling or pricking)
  • Increased sensitivity to sounds, smells, or touch
  • Eye pain or vision changes
  • Tremor or shakiness
  • Loss of appetite
  • Spinning sensation (vertigo)
  • Sensitivity to the effects of the sun
  • Fluid retention, especially in the arms or legs
  • Migraine headaches.

Zaleplon Drug Info

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