How should the following preparation be made: 1% estradiol valerate, 0.5% hydrocortisone, 15,000 IU/g nystatin, 10,000 IU/g neomycin, and 90g Beeler base for a gynecological ointment? Given that water separation occurred after a few days and the ointment became as hard as stone, should the Beeler base be replaced by a non-ionic base due to the incompatibility of sodium lauryl sulfate with neomycin sulfate?

Is it possible to dissolve a trichloroacetic acid solution for warts, similar to Aporil, in collodion with castor oil as requested by a patient?

How can a 200 g magnesium citrate drink, also known as Rogé lemonade, be prepared using 16 g of citric acid, 9 g of magnesium carbonate, 50 g of citric acid syrup, and water up to 200 g, where the citric acid syrup specifically consists of 2 g of citric acid, 2 g of water, 2 g of lemon spirit, and 94 g of sugar syrup?

How can you help with the preparation of Andrews liver salt, an effervescent granulate, for a patient?

Is the following composition feasible in a cream: can hydroquinone and azelaic acid be mixed in the same cream, which oil-in-water cream base should be used, and is it also possible to add triamcinolone or betamethasone valerate?

Does anyone know a formula for the preparation of a stable 5% doxepin cream for the treatment of itching in notalgia paresthetica?

Are you familiar with the Darier ointment base for incorporating 0.5% prednisolone, 2% chloramphenicol, and 2% ichthammol?