Tacrol 0.03% Ointment is a topical immunomodulator containing Tacrolimus Monohydrate 0.03%, formulated by ACME Laboratories Ltd. It is primarily used to treat moderate to severe atopic dermatitis (eczema) in patients who are unresponsive or intolerant to conventional therapies. The ointment works by inhibiting T-lymphocyte activation, thereby reducing skin inflammation and alleviating symptoms such as redness, itching, and irritation.