Pharmaceutical foam compositions substantially free of ethanol and comprising pimecrolimus in a carrier vehicle comprising a mixture of oily solvents amounting to at least 40% of the total weight of the composition and consisting of: i) hexylene glycol; ii) optionally oleyl alcohol; and iii) dimethylisosorbide and/or medium chain triglycerides; and additionally: iv) when oleyl alcohol is absent, water in an amount of less than 25%; v) at least one consistency agent; vi) at least one preservative; and vii) at least one surfactant/emulgator; and propellant gas for foaming; and optionally further conventional excipients. They are indicated for use in the treatment of various skin, nail and mucosal diseases.