When a doctor prescribes 1 gram of isosorbide dinitrate for a preparation, should 1 gram or 2.5 grams be used given that it is only commercially available as a 40% trituration, and is the rumor true that only 1 gram should be used because the packaging is standardized; furthermore, does this same principle apply to zinc peroxide trituration of approximately 55% and alpha-tocopheryl acetate at 500 mg/g of Vitamin E?

Is it possible to prepare a nasal spray containing amphotericin B for the treatment of resistant fungal species, as requested by an ENT specialist?

What is the best way to prepare a 2% colloidal silver ointment to prevent the growth of proud flesh in the anal area?

Why is nystatin incompatible with Carbomer gel TMF, and is there an alternative that allows the gel structure to remain intact?

What are the experiences, tips, and recommendations regarding the best salt form of estradiol and the use of buffered versus non-buffered cetomacrogol cream for a preparation containing 600 mg of estradiol in buffered cetomacrogol cream up to 100 g for internal vaginal use?

Can capsules be made with doxycycline and sodium lauryl sulfate, and what is the purpose of the sodium lauryl sulfate in this preparation?

What is the cause and solution for the stability issue of a W/O cream containing 4 g urea, 4 g sodium chloride, and paneucerine cum aqua up to 100 g, given that water leaks from the tube after several weeks despite trying different preparation methods with both paneucerine cum aqua (40% water) and a self-prepared base, and observing that passing the ointment through a refinement mill five times improves stability?