What is the best way to prepare 100 ml of sodium cromoglicate oral solution at a concentration of 20 mg/ml, specifically regarding preparation suggestions, flavoring, and shelf life, and is it appropriate to dissolve it in water and preserve it with 85% glycerol?

What is a suitable formulation for a marshmallow cream that a sheep breeder can use to curatively treat inflammation in the udders of his ewes, while also providing hydration, which is why a cream is preferred over an ointment?

Is there a formula available to recreate HAC concentrate for a HAC loco preparation?

How can a 200 ml mouthwash containing 0.25 mg/ml of clobetasol propionate in a Miglyol 812 base be prepared as a magistral formula for the treatment of lichen planus?

How can a minoxidil emulsion containing 5% minoxidil and 0.05% clobetasol propionate in cetomacrogol emulsion NF5 up to 300g be prepared to prevent a grainy result?

Regarding a prescription for a lidocaine 10% nasal spray solution and the existing helpdesk advice, can sodium bicarbonate be used instead of Na2HPO4 to increase the pH because it is missing, and can chlorhexidine digluconate solution be used as a preservative instead of benzalkonium chloride due to its high purchase cost?

When preparing eye drops with sodium propionate, where benzalkonium chloride is typically the first-choice preservative but is incompatible due to its cationic nature vs. the anionic sodium propionate, and thiomersal is used instead—requiring the use of mannitol for isotonization rather than NaCl or boric acid—should a buffer be added, and if so, which one?