Can colistine powder (Colistineb) intended for intravenous use, which is currently applied to infected wounds in the burn unit by placing the powder from two vials per leg onto a compress, be formulated into an ointment for easier application, and how much ointment is required to cover one leg?

In a preparation containing 4 g salicylic acid, 3 g resorcinol, and 1 drop of castor oil in 10 g petrolatum, which becomes hard due to the high amount of powder relative to the small amount of ointment, should any adjustments be made?

Can I use lactose as a filler for capsules containing dapsone?

Why does a preparation of 2% hydrocortisone acetate, 2% menthol, and 2% promethazine in 50 g of eucerine cum aqua (60% eucerine and 40% water) break when the hydrocortisone acetate and promethazine are added to the menthol already dissolved in the cream on a slab, and what was done incorrectly?

What is Mulsifan, which is found in the composition of an almond oil-based bath oil?

What is a practical solution for preparing a 3% flufenamic acid gel, given that the method in the Carbomers book is unsuccessful and previous attempts involving the addition of water to a solution of flufenamic acid in PEG 400 or a mixture of PEG, propylene glycol, and isopropyl alcohol consistently resulted in a yellow precipitate?

How can I prepare insulin eye drops with a concentration of 1 IU/ml by adding 0.1 ml of 100 IU/ml insulin aspart (a fast-acting insulin, such as Fiasp) to 10 ml of PEG 400 propylene glycol eye drops?