What is the most suitable base for a cream containing 200 mg promethazine HCl, 10 mg triamcinolone, 10 mg methylprednisolone, and 100 mg neomycin sulfate in 40 g Lanette cream, considering that the formulation turns brown after one week, promethazine HCl is ideally converted to promethazine in an alkaline base, and neomycin sulfate reacts with Lanette cream?

Which base can be used to process the French specialty Locacid into a cream with prednisolone and hydroquinone, given that the concentration of Locacid must be halved to 0.025%?

How should a pediatrician's prescription consisting of 30 ml Nilstat, 400 mg lidocaine, 10 grams propylene glycol, 2 grams copagel, 1 ml vanilla aroma, 1 ml amygdala aroma, and distilled water up to 500 ml be prepared, specifically regarding whether the specified aromas must be used or if they can be replaced with peppermint spirit to ensure the preparation is eligible for reimbursement?

What is the preparation method and dosage for an eye drop prescription for a 3-year-old child consisting of 30 mg sulfadiazine and distilled water up to 10 cc, to be administered three times per day with a follow-up consultation on the fourth day?

What is the cause for an AVA cream containing 3% lactic acid and 10% urea sometimes turning out well, while recently it has been separating after a few days?

Where can the composition of "Phenytoin suspension FNA" be found, given that pediatric departments are requesting a Diphantoine suspension and this specific formula has been identified?

Which raw material can replace triethanolamine in the preparation of a gingivitis gel (NF VI) containing 1 g benzocaine, 1 g salicylamide, 250 mg vanillin, 20 ml ethanol 96% v/v, 500 mg carbomer 940, 10 g glycerol, 25 mg EDTA, 650 mg triethanolamine, and 20 ml aqua conservans, and what is the required amount of this replacement material?