Pyrantel Side Effects
Medically reviewed by Drugs.com. Last updated on Oct 22, 2020.
For the Consumer
Applies to pyrantel: oral suspension
Side effects requiring immediate medical attention
Along with its needed effects, pyrantel may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor as soon as possible if any of the following side effects occur while taking pyrantel:
Side effects not requiring immediate medical attention
Some side effects of pyrantel may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
- Abdominal or stomach cramps or pain
- loss of appetite
- nausea or vomiting
- trouble in sleeping
For Healthcare Professionals
Applies to pyrantel: compounding powder, oral suspension, oral tablet
Frequency not reported: Nausea, vomiting, diarrhea, abdominal cramps, abdominal discomfort[Ref]
Frequency not reported: Headache, dizziness, drowsiness[Ref]
Frequency not reported: Minor abnormalities of liver function, transient increases in liver enzymes values[Ref]
Frequency not reported: Anorexia
Frequency not reported: Insomnia
Frequency not reported: Fatigue
Frequency not reported: Skin rashes[Ref]
1. "Product Information. Pinworm Medicine (pyrantel)." Reese Chemical Company, Cleveland, OH.
Frequently asked questions
More about pyrantel
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- En Español
- 9 Reviews
- Drug class: anthelmintics
Related treatment guides
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA.