Should Monosodium Phosphate dihydrate also be added to the following preparation consisting of 250 mg sodium fluoride, 8 drops of peppermint oil, and purified water up to 500 ml, and if so, in what quantity, given that this is done on page 27 of the technical Magistraal Vademecum by Ap. Deprez?

Given that the BABCOC states clindamycin 1% lotion is more effective than erythromycin lotion for treating acne due to resistance, can clindamycin HCl be used instead of the more expensive and non-reimbursed clindamycin phosphate 1% prescribed by a dermatologist, especially since the BABCOC does not specify the salt type while the FNA includes a preparation with clindamycin HCl?

Can I prepare metformin HCl syrup, solution, or suspension?

Is the following formula suitable for a budesonide suspension intended for eosinophilic esophagitis, considering that the formation of a film on the esophageal wall is desirable: 30 mg budesonide (sourced from crushed Budenofalk capsules/pellets), 25 g aluminum and magnesium silicate colloidal dispersion NF V, 10 g sodium carboxymethylcellulose mucilage NF V, 5 g glycerol, 30 g simple syrup, 1 g peppermint spirit, and preservative water NF V up to 100 ml, with a dosage of 3 mg per 10 ml once daily?

Is there an incompatibility between erythromycin and Lanette SX in a beard balm formula consisting of 1% prednisolone, 4% erythromycin, 1.5% Lanette SX, 1.5% medicinal oil, and aqua up to 100 mL, and if so, what is the best way to resolve it?

What is the best way to prepare a prescription for Detrusitol retard 2 mg capsules when starting from Detrusitol retard 4 mg size 3 capsules containing microgranules?

What is the shelf life in days for a Stanford solution consisting of 480 mg lidocaine, 5.8 MU nystatin, 8.4 g sodium bicarbonate, and water up to 600 ml, and what is the optimal formula for viscosity and taste, considering that nystatin is incompatible with methylcellulose and the solution is currently prepared with xanthan gum and raspberry syrup?