What is the cause and solution for a syrup containing 120 mg diphenhydramine HCl, 120 mg eucalyptol, 120 mg ephedrine HCl, 120 mg phenylephrine HCl, 16 mg chlorphenamine maleate, and raspberry syrup up to 200 ml (prepared with 1.5% raspberry fantasy aroma in syrupus simplex) when, over time, a cloudy layer that disappears upon shaking and small lumps identified as raspberry aroma form on the surface?

What is the best approach for preparing a physician's prescription for a dental gel containing 22,500 ppm fluoride (5% NaF) without further specifications, given that research and test preparations show 5% NaF is insoluble in the required amount of water? Considering that the solubility of sodium fluoride (NaF) is only 1 part in 25 (4%), is it possible to incorporate 22,500 ppm fluoride into a gel by using a "suspension gel" or by adding glycerol to sufficiently increase solubility, or should a different concentration or administration form be chosen?

Does metronidazole require an antioxidant?

How can a stable solution for a Rhinoflow device be prepared using 0.2 g glycerol, 1.8 g NaCl, 0.4 g propylene glycol, 100 mg neomycin sulfate, 5000 IU bacitracin, 5 units of Atrovent 250 mcg/2 ml, 1 bottle of mometasone nasal spray, 5 ml Tween 80, and water up to 200 ml, given that the hospital-recommended addition of Tween 80 currently results in a suspension with flakes that settles and is difficult to administer?

What is the correct compounded formula of trichloroacetic acid for the application to genital warts?

Why did the emulsifying wash lotion NF V basis, which contains 1% hydrocortisone acetate, 3% chloramphenicol, and 0.5% chlorhexidine with emulsifying wash lotion nfv added up to 300 ml, break almost immediately after the active ingredients were added?

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