Romlus 0.1% (Tacrolimus) Ointment 10gRomlus Tacrolimus Ointment: For Moderate to Severe Eczema ROMLUS 0. 1% (TACROLIMUS) OINTMENT 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: Romlus is an ointment applied directly to the skin. How Tacrolimus Ointment Works: Tacrolimus works by suppressing the immune system's activity