I urgently need to prepare Valium syrup (suspension); can I use Avicel as a viscosity-increasing agent?

What is a cream or ointment base in which 10% or 15% ascorbic acid and 1% tocopherol (Vitamin E) can be mixed?

Which type of Lanette should be used for the following prescription: triamcinolone 10 mg (to be replaced by triamcinolone acetonide), Lanette q.s., glycerine 5 g, Tween 80 600 mg, and water up to 100 g, to prepare a lotion?

What formulation should be used to prepare a zinc syrup as requested by a dermatologist?

What is the best preparation method for an eye ointment (for use on the eyelids) containing 10 ml Opticrom eye drops, 1 g Arlacel, and 10 g vaseline; should Arlacel and vaseline be replaced by Unguentum Oculare, and can Opticrom be slightly heated to be added to the ointment base?

What is an appropriate formula for a calcium gluconate gel to be used for burns caused by contact with hydrofluoric acid (HF), as recommended by the occupational physician?

For a patient prescribed 100 mg of papaverine three times per day, would it be better to use the papaverine hydrochloride form instead of the base form, does this make a significant difference in terms of absorption and bioavailability, and what would you recommend?