Are there any stability studies available for folic acid capsules, and what are the stability considerations for the trituration when preparing approximately 10 capsules for a patient with a once-weekly dosage, considering the shelf life specified in the Therapeutic Magistral Formulary (TMF)?

What is the preparation method for the base of an oral paste consisting of 0.5 g aerosil, 0.6 g sodium saccharinate, 5 drops of lemon essential oil, 4 g calcium carbonate, 24 g carbopol 940, and 72 g liquid paraffin?

How can Pasta Zinc Oleosa be prepared when oleic acid is commercially unavailable, specifically for a prescription containing 25 g each of Pasta Zinc Oleosa, Unguentum Acidi Borici, and Cold Cream, along with 7 g of cod liver oil and 9 drops of rose essence, given that Pasta Zinc Oleosa consists of 49.2 g sesame oil, 80 mg oleic acid, and 50 g zinc oxide, and Unguentum Acidi Borici consists of 10 g boric acid and 90 g simple ointment?

Can quinine hydrochloride be used instead of quinine dihydrochloride in a non-ionic cream consisting of 6 g quinine dihydrochloride, 4 g Tween 80, 40 g cetyl alcohol, 10 ml glycerol, 10 ml sweet almond oil, and distilled water up to 200 g, and what is the intended use of this cream, which the patient claims is for use as a sunscreen?

What should be done when Ciloxan and De-icol eye drops crystallize after being stored in the refrigerator for two nights?

Can you provide the formula for a zinc oxide paste containing 5% lidocaine and 50 g of zinc oxide paste?

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