What tips can be provided for the magistral preparation of an oral azithromycin suspension, which was requested to address the unavailability of the commercial version?

What is a suitable formula for a boric acid emulsion for the ear, given that an ear specialist is looking for a preparation with a longer residence time than the currently used boric acid water?

What is the composition of the preparation Antihemorrhagic ointment NF, for which a prescription was received but no formulation can be found?

What is the best method to prepare 20 suppositories containing 20 mg each of essential oils of Thymus vulgaris, Pinus sylvestris, Eucalyptus globulus, and Rosmarinus, 3.5 mg belladonna extract, 6 mg guaifenesin, 3.5 mg promethazine, and 2.5 mg codeine phosphate, using a base of 100 mg Aerosil, 1.4 g Cutina GMS, 1 g Witepsol, and 18 g Suppocire ASX, specifically to prevent the formation of cracks in the final product?

How can I prepare a hair lotion containing zinc pyrithione, along with salicylic acid and hydrocortisone?

What is the recommended preparation method and advice regarding the first ingredient for a wound-healing sprinkle powder containing 0.3 grams of Guaiazulene solution in paraffin, 2 grams of melted lanolin, 3 grams of zinc oxide, and 94.7 grams of talc?

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