How can the following preparation be prevented from curdling: 10g salicylic acid, 10g coal tar saponin, 100mg clobetasol propionate, 10g Lanette N, 10g sweet almond oil, and purified water up to 200g?

Is my procedure for the preparation of the following sterile eye ointment correct, or can the steps be improved: NaCl 5%, KCl 10 mg, ung. oculare ad 10 g; f. sterile eye ointment? The method involves rubbing the NaCl and KCl into the ointment base, passing it through a three-roll mill, then sterilizing the entire mixture and filling it into a sterile ointment tube under sterile conditions.

What is the best way to prepare an ointment containing 300 mg hexachlorophene, 18 g almond oil, 300 mg prednisolone, 9 g white petrolatum, and 12 g spermaceti, given that the current preparation is too brittle and crumbly to deliver?

What is the best way to prepare the following formula: Nystatin 600 KE, Xylocaine 40 mg, Triamcinolone 8 mg, and Distilled Water up to 300 ml for a mouthwash?

What is the best way to prepare a nitrofurantoin syrup, and is it permissible to use the available specialty product?

Who is familiar with Rothwell's solution?

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