How can I prepare the following ear drops with terbinafine: 750 mg of terbinafine and 60 ml of physiological serum?

What is the recommended procedure and choice of excipients for preparing 20 adult suppositories containing 200 mg ichthammol, 1 mg prednisolone, 80 mg collargol, and 25 mg lidocaine, given that previous attempts using Novata B as a base both with and without Aerosil were unsuccessful?

What is the formula for Kenacort oral ointment?

How can a yellow stain on a white bathroom cabinet, caused by a ditranol and salicylic acid solution used as a wart remover that was left to soak in for approximately four hours, be removed?

Is a 4% boric acid solution in alcohol ear drops a known formula for the ears, and what is the best way to prepare it?

What is the best way to prepare a deptropine citrate syrup?

What are the stability problems of a solution containing 3 grams of Phenobarbital sodium and purified water up to 300 cc?