What is an acceptable formulation for a scalp lotion with the following composition: 150 mg hydrocortisone, 105 mg neomycin sulfate, 500 mg nystatin, 10 ml rubbing alcohol, and water up to 30 ml?

Zinc sulfate is offered as a monohydrate and a heptahydrate; which hydrate is recommended for internal use?

Is there a formula for isoniazid and pyrazinamide (Tebrazid) in an oral solution that tastes pleasant for a 6-year-old child with a latent tuberculosis infection, given that the child cannot swallow the prescribed capsules and although a rifampicin syrup was prepared in the hospital, no palatable solution was found for the other two medications required for long-term treatment?

What is the shelf life of a 3% hydrogen peroxide solution diluted from a 30% concentration, considering that the TMF specifies 2 months for ear use while the Fagron website suggests a period of 6 to 12 months?

What is the shelf life of a 500 g stomatitis suspension based on 200 mg prednisolone, 400 mg lidocaine HCl, and 3 million units (3ME) of nystatin suspension?

What are the recommended alternatives for glycol salicylate and capsicum oleoresin in a prescription consisting of 5 g glycol salicylate, 2.5 g synthetic camphor, 1 g capsicum oleoresin, 1 g methyl nicotinate, 10 g lanolin, and 50 g cetyl ointment (presumably intended as "ad 100 g"), given that the original ingredients are no longer available and methyl salicylate is being considered as a substitute for glycol salicylate?

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