How can a 3% caffeine gel based on Carbopol be realized without the use of alcohol, and is it possible to achieve this using a prefabricated gel?

What is the exact composition or preparation method for a tetracycline mouthwash FNA prescription, as I am unable to find this information anywhere?

What is the formula for 'PHOSPHATE SYRUP' and how is it prepared for a person who has recently received a kidney transplant?

What causes the formation of a cloudy, thick liquid when mixing an erythromycine solution (4g) in ethanol (65°, 45ml) with a solution of zinc acetate (1g), propylene glycol (10g), water (ad 100ml), and ammonium acetate, and is it preferable to use the validated TMF formula containing isopropanol to ensure a clear solution, considering that precipitation is related to Zn(OH)2 formation requiring complexation with ammonium and that ammonium acetate solution is only available in expensive 1-liter quantities?

What is the calculation method and the function of the 60 ml molar sodium bicarbonate (8.4%) in a compounded mouthwash also containing 120 mg lidocaine hydrochloride, 8 mg dexamethasone, and sterile water up to 300 ml, and why must sterile water be used for an oral application?

How can I prepare a Tildiem 2% gel in a NaCMC gel base up to 100 g, and which specialty product is best to use to process 2 g of active substance, given that the raw material diltiazem HCl is unavailable at the wholesaler?

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