Calm-X Side Effects
Generic name: dimenhydrinate
Medically reviewed by Drugs.com. Last updated on Jun 10, 2022.
Note: This document contains side effect information about dimenhydrinate. Some dosage forms listed on this page may not apply to the brand name Calm-X.
Applies to dimenhydrinate: oral solution, oral tablets, parenteral injection.
Side effects include:
Paradoxical CNS stimulation in pediatric patients and occasionally in adults.
With IM injection: Pain at the injection site.
Because dimenhydrinate (the active ingredient contained in Calm-X) contains diphenhydramine, the possibility of other diphenhydramine-related adverse effects should also be considered.
For Healthcare Professionals
Applies to dimenhydrinate: compounding powder, injectable solution, oral liquid, oral tablet, oral tablet chewable.
The most frequently reported adverse reaction is drowsiness.[Ref]
Frequency not reported: Difficult or painful urination[Ref]
Frequency not reported: Drowsiness, dizziness, headache, excitation[Ref]
Frequency not reported: Blurred vision[Ref]
Frequency not reported: Lassitude[Ref]
Frequency not reported: Dry nose, dry throat, thickening of bronchial secretions[Ref]
More about Calm-X (dimenhydrinate)
- Check interactions
- Dosage information
- During pregnancy
- Drug class: anticholinergic antiemetics
Related treatment guides
1. "Product Information. Dramamine (dimenhydrinate)." Pharmacia and Upjohn (2001):
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.