Although Naftin Gel, 1% is a topical medication, Naftin Gel, 1% side effects include: Burning or stinging, Itching, Redness, Rash, Tenderness of the skin Tell your doctor right away if you experience side effects or your side effects worsen or become bothersome. References: Dr. Muncy (PharmD) studied science and education as an undergraduate before attending the Appalachian College of Pharmacy where she completed her PharmD in three years. She is currently using her pharmacy and healthcare expertise to write medical content for clients all around the world. She is focused on delivering the most current, accurate, and engaging information to healthcare professionals and patients.Read More....