What is the correct procedure for preparing a cream containing 1% hydrocortisone, 2% miconazole nitrate, and 5% chlorhexidine in Ava cream, and should the 5% chlorhexidine be derived from the 20% diluted solution?

What is the standard percentage of cholesterol used as a w/o emulsifier in a preparation consisting of 100 g white vaseline, cholesterol, and water up to 200 g?

What is the minimum quantity to be weighed, considering that the first edition of the TMF requires a minimum of 100 mg, while the weighing sheet for the preparation of 2% ergotamine tartrate trituration in the latest edition states that 50 mg of red iron oxide must be weighed as a tracer?

What is a suitable formula for a magistral preparation of antifungal ear drops, given that Myk Lotion is currently unavailable and the ENT specialist is inquiring whether miconazole can be used, as a search on the website did not yield an immediate answer?

Can a dermal solution containing tetracaine, cocaine, adrenaline, and NaCl 0.9%—where tetracaine and cocaine powders are dissolved in adrenaline and NaCl and then sterile filtered—be stored outside the refrigerator for 6 months, considering that adrenaline itself has a 6-month shelf life at room temperature and UZ Leuven stipulates a 2-month refrigerated shelf life for this preparation, or is there a possibility it remains stable for 2 months at room temperature due to the sterile filtration, which is relevant for storage in emergency cabinets?

What is the correct way to prepare a cream containing 60 ctg chloramine, 20 cc water (likely cc rather than cl), 6 g cod liver oil, 30 g lanolin, and 2% lidocaine hydrochloride, given that the dermatologist's prescription is unclear regarding whether the 2% lidocaine HCl is an ingredient or a final concentration?

Regarding the hospital prescription for ceftazidime 5% ear drops, does anyone have experience with where the raw materials can be obtained and the specific preparation method?