How should a nasal spray containing 25 mg of estradiol hemihydrate in 30 ml of physiological solution be prepared for a patient with a patent Eustachian tube, given that the raw material is unavailable and an ENT specialist has requested the use of a commercial estradiol product, and what are the considerations regarding solubility?

For a prescription for a shampoo containing 7.5% coal tar and 1.5% levomenthol in a 200 ml shampoo base, should actual black coal tar be used, or is it better to use coal tar saponine?

What possibilities can be considered for the rectal administration of budesonide starting from Budenofalk capsules?

How should I prepare the following suspension: 5 g salicylic acid, 5 g zinc oxide, 10 g acacia gum, and water?

What are the components of PEID ointment?

What is the formula for the preparation of Lariam syrup 31.25 mg/5 ml for travel to Africa?

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