Terbinafine hydrochloride spray can be sprayed on the penis, but be careful to avoid the urethral mucosa and other places. Terbinafine hydrochloride spray is a broad-spectrum antifungal drug, its main ingredient is terbinafine hydrochloride, can be used for ringworm, tinea cruris, ringworm, tinea pedis, tinea cruris and tinea pedis, etc., but after the use of this product may appear skin irritation, such as burning sensation, or allergic reactions, such as rashes, scratching, etc., so its use should be avoided in contact with the eyes and other mucous membranes, generally avoiding the mucous membranes of the urethra in the case of the penis, can be sprayed on. In addition, the product contains any ingredient allergy should be prohibited, pregnant and lactating women should be used with caution, and should not be used for skin ulcers, the site of the medication, such as burning sensation, redness, swelling and so on, but also should immediately stop the drug, and the local drug cleaning, if necessary, can be a medical consultation, the specific use of the drug should also be carefully read the instructions for the use of the drug and consult with a physician or pharmacist, can not be blindly self-medication.