Terbinafine hydrochloride effervescent tablets should be terbinafine hydrochloride vaginal effervescent tablets, clotrimazole refers to clotrimazole vaginal tablets, the difference between the two drugs include different drug ingredients, different pharmacological effects, different contraindications. 1. different drug ingredients: terbinafine hydrochloride vaginal tablets effervescent tablets for terbinafine hydrochloride, clotrimazole vaginal tablets for clotrimazole, lactose, silicon dioxide and other main ingredients. 2. Pharmacological effects are different: terbinafine hydrochloride vaginal effervescent tablets are a kind of acrylamide drugs with broad-spectrum antifungal activity, so as to achieve the role of inhibiting or killing fungi. Used for the treatment, vulvovaginal candidiasis caused by leukorrhea tofu-like, vulvar itching and other symptoms. Clotrimazole vaginal tablets is a broad-spectrum antifungal drug, can inhibit the synthesis of the fungal cell membrane, as well as affect its metabolic process, for the treatment of candida vulvovaginosis caused by itching and other symptoms. 3. Different contraindications: terbinafine hydrochloride vaginal effervescent tablets are contraindicated in hepatic and renal insufficiency, and those who are allergic to terbinafine. Patients who are allergic to clotrimazole and azoles and the first three months of pregnancy, the use of clotrimazole vaginal tablets is prohibited. If patients have vaginal diseases, they should seek medical treatment in time, strictly follow the doctor’s instructions for medication, and not use drugs indiscriminately.