What is the cause of the crystalline precipitate that forms after a few days in a 3% minoxidil solution composed of 3g minoxidil, 50ml ethanol, 10g glycerin, and water up to 100ml, prepared for a customer allergic to propylene glycol?

Is it possible to prepare a 30g prescription for a wart treatment ointment containing 10% urea, 30% salicylic acid, and 20% white vaseline in CMC?

A doctor prescribed hydrocortisone in a mouth gel for a child; should this not be hydrocortisone acetate, why is hydrocortisone acetate used in mouth gels while hydrocortisone is used in mouthwashes, and is there a difference linked to the contact time in the mouth?

What information is available regarding the shelf life of a magistral preparation of diazepam 10 mg/2 ml—composed of 10 mg diazepam, 0.2 ml ethanol, 0.8 ml propylene glycol, 2.4 mg benzoic acid, 97.6 mg sodium benzoate, 30 mg benzyl alcohol, and water for injections—to convince a pediatrician who, due to the difficulty of importing Stesolid 10 mg ampoules and the refusal of the International Pharmacy in Venlo to supply them under the Opium Act, believes based on another pharmacist's advice that the preparation is only stable for 4 months?

How can I prepare a 3% NaClO solution starting from a 10 chlorometric degree chlorine solution?

What is the likely cause of and suitable preparation method for a problem where suppositories containing 135 mg of bismuth camphor carbonate and adeps solidus as the base consistently break apart after preparation?

What suggestion do you have for a preparation requested by a physician consisting of an antifungal (possibly nystatin) combined with a corticosteroid for external vaginal use, which must be in a lotion form for application via a spray?