FDA loosens restriction on metformin for certain patients with kidney dysfunction

FDA Drug Safety Communication: FDA revises warnings regarding use of the diabetes medicine metformin in certain patients with reduced kidney function (free)

FDA news release – Metformin-containing Drugs: Drug Safety Communication – Revised Warnings for Certain Patients with Reduced Kidney Function (free)

FDA Loosens Restrictions on Metformin Use in Patients with Mild-to-Moderate Kidney Dysfunction – NEJM Journal Watch commentary (free)

FDA: Metformin Safe for Some Patients With Renal Problems – Medscape commentary (free registration required)