Typical dosage for Lemtrada
A full treatment with Lemtrada includes 2 treatment courses, given a year apart.
- First treatment course: The typical dose is 12 mg infused into the veins (IV) once daily for 5 days by a healthcare provider.
- Second treatment course: The second treatment course is given 1 year after the first treatment course. The typical dose is 12 mg infused IV once daily for 3 days by a healthcare provider.
If needed, your provider might have you continue with additional treatment courses of Lemtrada. Each additional course can be given 1 year after your last course. The typical dose is 12 mg infused IV once daily for 3 days.

