Will 5 g of salicylic acid cause incompatibilities in the following preparation: 30 g Cutivate cream, 10 g LCD, 5 g salicylic acid, and Beeler base up to 100 g?

Can Rilatine be processed into a syrup, not to mask the taste, but to make administration easier?

Regarding a dermatologist's prescription for a syrup containing 3.75g L-methionine, 3.75g L-cystine, and raspberry syrup up to 150 cc (dosage: 1 teaspoon twice daily) for a 1.5-year-old child, since L-cystine is insoluble in water and alcohol, is it permissible to replace it with L-cysteine given that L-cystine is its dimeric form, should the amount of L-cysteine then be doubled, and is this overall dosage appropriate for a child of this age?

How can an unstable suspension be prepared using 5% benzoylperoxide (BZPO), 3% erythromycin, 3% Idroramnosan, 10.70% ethanol 94°, 5.90% propylene glycol, and distilled water up to 30g, given that very long stirring results in a white suspension that does not appear stable?

Is a concentration of 0.0005% for psoralen (methoxsalen) in a prescription for a PUVA therapy cream not somewhat low?

I have a prescription for a 100ml sulfadiazine suspension at 100mg/ml for a 2-month-old baby, but the 10g of sulfadiazine is too voluminous in the Xanthan gum excipient to allow for an accurate reading in ml; can I use a less viscous suspension medium or dilute the current one with water?

What are the stability problems of a solution containing 3 grams of Phenobarbital sodium and purified water up to 300 cc?