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Dimenhydrinate Side Effects

Medically reviewed by Drugs.com. Last updated on Jun 10, 2024.

Applies to dimenhydrinate: oral solution, oral tablets, parenteral injection.

Side effects include:

Drowsiness, headache, blurred vision, tinnitus, dryness of the mouth and respiratory passages, incoordination, palpitation, dizziness, hypotension.

Paradoxical CNS stimulation in pediatric patients and occasionally in adults.

With IM injection: Pain at the injection site.

Because dimenhydrinate 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.

General adverse events

The most frequently reported adverse reaction is drowsiness.[Ref]

Cardiovascular

Dermatologic

Gastrointestinal

Genitourinary

Metabolic

Nervous system

Ocular

Other

Psychiatric

Respiratory

References

1. (2001) "Product Information. Dramamine (dimenhydrinate)." Pharmacia and Upjohn

Further information

Dimenhydrinate side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.