What is the preparation method for a copper-zinc sulfate solution prescribed by a gynecologist?

What is the function of carmine red in a mouthwash containing 0.05% sodium fluoride, 20 drops of lemon spirit, and 10 mg of carmine red?

What is the best method to prepare a gel containing 0.5 g indomethacin, 1 g flufenamic acid, 6 g mephenesin, 5 g isopropyl alcohol, and 5 g propylene glycol in carbopol gel up to 50 g, given that the preparation liquefied after adding isopropanol and an alternative hydroxypropyl cellulose (HPC) gel was too sticky, rolled up upon application, and did not penetrate the skin?

What could be a suitable replacement for sucralfaat in a mouthwash formulation containing 260 mg diphenhydramine, 1300 mg lidocaine, and sucralfaat up to 260 ml, given that both sucralfaat and the brand name product Ulcogant are no longer available on the market?

How can a vaginal gel containing 6 mg/g of estradiol be prepared for a baby, given that a previous preparation using ethanol as a solvent was uncomfortable for the patient?

How can methyltestosterone be replaced in a prescription for 1g methyltestosteron, 1g prednisolon, and cold cream up to 100g, and specifically, can it be replaced by testosterone propionate at the same concentration now that methyltestosterone is no longer commercially available?

Since Lomusol nasal spray has been discontinued, can a nasal spray be compounded using Lomudal ampoules for a patient who has used Lomusol for years, especially considering that the prescribed alternative, Nesivine, is not deemed suitable, and if so, what would be the required composition?