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Updated: May 15, 2026

Local Hyperthermia for Warts Treatment
Published on: November 8, 2024
Local and systemic adverse effects of imiquimod therapy for external anogenital warts in men: report of three cases
A Rosenblatt1, H G de Campos Guidi
1Center for Investigation and Treatment of Male Genital Diseases, São Paulo, SP, Brazil. albrose1@gmail.com
Abstract:
Imiquimod is a topical immune response modifier used to treat anogenital warts. Although considered a safe drug, mild to moderate local and systemic side-effects may occasionally occur. We report three cases of local and systemic adverse effects related to imiquimod, including one case that mimicked meningitis, which promptly resolved with drug cessation.
Insights
Imiquimod, a topical immune modifier for warts, can cause side effects. Three cases show local and systemic reactions, including one mimicking meningitis, resolving after stopping the drug.
Area of Science:
- Dermatology
- Immunology
Background:
- Imiquimod is a topical immune response modifier widely used for treating anogenital warts.
- While generally safe, it can cause localized and systemic adverse effects.
Observation:
- This report details three distinct cases of adverse events associated with imiquimod use.
- One case presented with symptoms that closely resembled meningitis.
Findings:
- The observed adverse effects were both local and systemic in nature.
- All reported side effects resolved promptly upon discontinuation of imiquimod therapy.
Implications:
- These cases highlight the importance of recognizing potential adverse reactions to imiquimod, even rare ones like meningitis mimicry.
- Awareness of these side effects is crucial for clinicians managing patients treated with imiquimod, ensuring timely intervention and drug cessation if necessary.
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