Does anyone have experience with a lisinopril 1 mg/ml suspension prepared from Zestril tablets?

I have been asked to prepare a Kligman cream; what is the composition?

What is a suitable formula and preparation method for nitrofurantoin capsules, specifically regarding the choice of excipients like cellulose, 1% talc, and 0.5% magnesium stearate, and the use of a powder mixer instead of a mortar since mixing in a mortar is reportedly discouraged?

Is tretinoin soluble in ethanol?

Should methylprednisolone capsules, whether enteric-coated (EC) or not, be stored in the refrigerator, given that the FAMHP recommends refrigeration based on the European Pharmacopoeia's guidance for the raw material, and how does this affect the stability and potential stickiness of the coating due to low temperatures and high humidity?

Is the combination of 2% erythromycin and 2% metronidazole incompatible with emulsifying ointment with water, and is this incompatibility caused by the alkaline pH or the presence of Lanette SX?

Is it possible to prepare a compound containing 30 g of Nizoral cream, 30 g of Elocom cream, and 1 g of erythromycin as prescribed by a dermatologist, given that erythromycin is known to be incompatible with corticosteroid esters, and what would be the stability of such a mixture?