Can a collyre containing 4% cocaine, 0.01% adrenaline tartrate, and 0.05% chlorobutanol be dissolved in a boric acid/borax buffer to achieve the correct pH, and can the prescribed adrenaline and chlorobutanol be added to this cocaine eye drop solution without encountering issues regarding pH or shelf life, given that a boric acid and borax buffer is used as a solvent for 4% cocaine eye drops in previously asked questions?

Is it possible to prepare a 10% acetylcysteine nasal spray?

Can levetiracetam be processed into a suppository?

Can urea and betamethasone propionate be prescribed together in a cold cream?

Can pantoprazole (specialty) be processed into a suspension?

How can Taloxa tablets be processed into a suspension, given that the existing Taloxa suspension contains too much sorbitol?

What is the recommended water-to-vaseline ratio for the magistral preparation of Pliaglis cream (containing 70.000 mg lidocaine, 70.000 mg tetracaine, 0.500 mg methyl parahydroxybenzoate, 0.100 mg propyl parahydroxybenzoate, calcium hydrogen phosphate, purified water, polyvinyl alcohol, white vaseline, and sorbitan palmitate) for a dermatologist's request to provide maximum anesthesia on a large surface area like the back during laser treatment, or can AVA be used instead with an equally strong numbing effect on the skin?