Rimantadine: Side Effects, Uses & Monitoring
Rimantadine hydrochloride tablet is indicated for the prophylaxis and treatment of illness caused by various strains of influenza A virus in adults (17 years and older).
- Data source
- FDA labeling via NIH DailyMed (label a1d00c0f…)
- Label version
- current
- Last reviewed
- 2026
Reported adverse reactions
Reactions listed in current FDA labeling, with the highest frequency reported across summarized placebo-controlled trials.
| Adverse reaction (as reported in labeling) | Reported frequency* |
|---|---|
| Insomia | 7% |
| Total % of subjects of adverse reactions | 6.9% |
| Depression | 3.5% |
| Nausea | 2.8% |
| Insomnia | 2.1% |
| Dizziness | 1.9% |
| Vomiting | 1.7% |
| Anorexia | 1.6% |
| Dry mouth | 1.5% |
| Headache | 1.4% |
| Abdominal pain | 1.4% |
| Asthenia | 1.4% |
| Nervousness | 1.3% |
| Fatigue | 1% |
*Highest percentage reported for the active moiety across placebo-controlled trial tables in current FDA labeling. Values reflect trial reporting, not your individual risk.
Labeled uses (from FDA prescribing information)
Rimantadine hydrochloride tablet is indicated for the prophylaxis and treatment of illness caused by various strains of influenza A virus in adults (17 years and older). Rimantadine hydrochloride tablet is indicated for prophylaxis against influenza A virus in children (1 year to 16 years of age).
Conditions associated with Rimantadine in labeling
Frequently Asked Questions
What is Rimantadine used for?
FDA labeling lists the approved uses shown above under "Labeled uses." This summary is informational; only a qualified prescriber can determine whether a medication is appropriate for you.
What are the most commonly reported side effects of Rimantadine?
The table above shows adverse reactions and the highest frequencies reported in placebo-controlled trials summarized in current FDA labeling for Rimantadine. Individual risk varies.
Does Rimantadine require lab monitoring?
Monitoring needs vary. Ask your healthcare provider whether any lab tests apply while taking Rimantadine.
Where does this information come from?
All clinical facts on this page were extracted from the current FDA-registered product labeling for this ingredient, published by manufacturers through NIH DailyMed. See the source link below.
Medical disclaimer: Educational content extracted from public FDA labeling. Not medical advice. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.