What is the recommended composition for a mouth gel containing tetracycline to treat a painful aphthous ulcer, given that a prescription exists for a 5% tetracycline HCl mouthwash but a local gel application may be more appropriate?

What is the concern regarding the preparation of a generic Gaviscon syrup for a one-month-old baby with a composition of 5 g sodium alginate, 0.5 g sodium saccharin, 5 g sodium carbonate, 1.6 g calcium carbonate, 6 g fennel essence, and aqua up to 300 ml (dosage: 1 ml after feeding), given that the doctor prescribed fennel oil while the original specialty contains volatile anise oil?

Is it permissible to use Fagron oral gel to prepare the NF 6 mouth paste for treating canker sores, which consists of 1.5 g benzocaine, 300 mg hydrocortisone acetate, 2 drops of peppermint oil, and protective mouth paste NF 6 up to a total of 30 g?

What is the cause of and solution for crystal formation and pink discoloration in a cough syrup based on the Actifed formula, prepared without codeine phosphate but with 0.15% sodium citrate to prevent crystallization, given that crystals reappear upon cooling after heating and the discoloration has also started to occur?

How can the purple discoloration, which mainly occurs at the edge of the capsule cap during the preparation of omeprazole enteric-coated 2 mg and 5 mg capsules, be avoided?

Could you provide advice on preparing 30 suppositories containing 5 mg of beclomethasone dipropionate using the softest possible suppository base?

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