What is the recommended preparation method for a calcium lactate syrup for a 1-year-old child (dosage: 10 ml twice daily) consisting of 27 g lactic acid, 15 g CaCO3, 40 g orange peel syrup, 100 ml water, and raspberry syrup up to 200 ml, given that the orange peel syrup was omitted due to its alcohol content (orange peel tincture) but its removal resulted in a hard lump during preparation?

What is the best preparation method for an emulsion containing 7.5 g each of menthol and chlorobutol, 90 g each of hamamelis water and 96 degree antiseptic alcohol, 24 g perhydrosqualene, and 9 g polysorbate, intended for venous problems after cold leg showers as prescribed by an angiologist, given that using Tween 80 resulted in an unstable emulsion that quickly separated into two layers, and would using Lanette SX as an emulsifier be more effective, and if so, in what quantity?

How can the breaking of an ointment be prevented when the following recipe results in a too soft and unstable appearance: 5 g salicylic acid, 5 g Tween 60, and buffered cetomacrogol cream (unguentum emulsificans cum aqua PBV) up to 100 g?

How can I prepare a testosterone gel consisting of 5% free testosterone, 10% olive oil, and carbomer gel up to 50g, as requested by a doctor to match the previous formulation of a Dutch compounding pharmacist?

What is the best way to resolve the issue of a water-in-oil (W/O) cream breaking that contains 300 mg of prednisolone, 1200 mg of erythromycin, 1800 mg of ichthyol, 10 g of zinc oxide, and aqua up to 60 g, given that adding 5-10% Arlacel is not effective?

What is the correct preparation method for a compound containing 600 mg phenol, 1.5 g urea, 2 g castor oil, 7 g zinc oxide, and cooling ointment up to 30 g?

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