Welcome Visitor, Sign Up for Free!
Average User Rating:
ZzzQuil, 2.70 / 5 (212 votes)

ZzzQuil Side Effects

ZzzQuil LiquiCap capsules and liquid

Serious Side Effects of ZzzQuil

Zzzquil may cause a serious allergic reaction. Call your doctor immediately if you have the following symptoms:
  • hives, rash, or red and itchy skin
  • swelling of the mouth, tongue, throat, lips or eyes
  • hoarseness and difficulty breathing

Common Side Effects of ZzzQuil

  • ZzzQuil frequently causes drowsiness and fatigue, and may even result in dryness of the mouth or headache.
  • This medication may interfere with urine levels, and result in urinating less than usual or not being able to urinate at all.
If these side effects are severe or do not go away, contact your doctor. If you continue to have trouble sleeping for more than 2 weeks you may have a more serious condition or sleeping problem such as insomnia and should call your healthcare provider right away.