Itchy finger blisters may be caused by fungal infections, eczema, scabies and other factors, according to the different diseases for medication, such as topical terbinafine ointment, tacrolimus ointment, 10% sulfur ointment, etc., oral itraconazole, cetirizine, ivermectin and so on. 1. Fungal infections: for fungal infections caused by itchy finger blisters, can be treated with topical terbinafine ointment, clotrimazole ointment and other medications, and in severe cases, oral medication, such as itraconazole. 2. Eczema: the presence of eczema, will also make the finger blisters itch, usually red papules, itching is more intense, after diagnosis, can be used topical glycerine lotion, tacrolimus ointment and other medications, serious cases also need oral antihistamine treatment, such as cetirizine or loratadine, and so on. 3. Scabies: usually associated with scabies mite infection, after diagnosis, can be used 10% sulfur ointment, 5% triclosan permethrin cream and other drugs for treatment, serious cases can use ivermectin and other treatments. Itchy finger blisters recommended timely consultation, in the process of treatment, should follow the doctor’s guidance, safe and reasonable use of medication, do not take medication without authorization.