Does anyone have experience with preparing a compounded Polaramine syrup?

Which base should be used to prepare a 5% amitriptyline ointment, considering that the PLO base from Fagron is no longer available and the ointment breaks when using a standard cold cream?

What is the best way to prepare 10 suppositories containing 0.5 mg ergotamine tartrate, 70 mg cyclizine HCl, 70 mg caffeine, 400 mg paracetamol, 200 mg ASA, and 20 mg promethazine HCl, and should an antioxidant be added, given that the white powder turned orange-pink and began to clump into lumps when heated with the suppository base?

Regarding a prescription for 1% hydrocortisone acetate, 100,000 IU/g nystatin, 0.5% chlorhexidine, and 10% zinc oxide in cetomacrogol cream up to 30 g, would it be better to omit the zinc oxide because it may affect the stability of the hydrocortisone acetate, or would replacing hydrocortisone acetate with hydrocortisone be a suitable solution if the zinc oxide is retained?

Regarding Burow's solution for the ears, should it be applied as a pure solution for eardrops, or does it need to be diluted?

What could be the cause of the precipitation that occurs when merging two aqueous phases in the preparation of a cough syrup containing 100 mg promethazine HCl, 400 mg codeine phosphate, 4 g sodium benzoate, 1.2 g pseudoephedrine HCl, 80 mg triprolidine, raspberry flavor, and syrupus simplex up to 200 ml, given that the promethazine HCl was first dissolved in water with 600 mg ascorbic acid and the other ingredients were dissolved separately in water?

Can Witepsol have a (stimulating) effect on the intestines?