Romlus 0.03% Ointment (Tacrolimus) 10gRomlus (Tacrolimus) Ointment: For Moderate to Severe Eczema ROMLUS 0. 03% OINTMENT (Tacrolimus) 10g is a brand name for a medication containing tacrolimus, an immunosuppressant used to treat moderate to severe atopic dermatitis (eczema) in adults. It comes in two strengths: 0. 1% and 0. 03% ointment. Description: is an ointment applied directly to the skin. How it Works: Tacrolimus works by suppressing the immune system's activity in the skin,