Why is it necessary to enterically coat prednisolone capsules?

What should be prepared when asked for a DMSO 50% cream?

Is a laminar air flow (LAF) cabinet necessary for preparing cyclosporine eye drops, given that a pharmacy in Brussels follows sterilization recommendations for castor oil and works as sterilely as possible without one, while many other pharmacists cite the lack of a LAF cabinet as their reason for refusing to make this preparation?

What can oleum capitis be replaced with to dissolve 8% salicylic acid?

What is the difference between a raw material on a certificate of analysis and an authorized raw material, is there a difference in quality, and when is the use of each permitted?

What is the best way to prepare a stable formulation containing 5 g lidocaine, 1.9 g Lanette SX, 9.5 g paraffin, 16.25 g propylene glycol, 19 g vaseline, 0.35 g Carbopol 980, 100 mg ammonia 25%, and 47.95 g aqua conservans, given that previous attempts at maintaining stability have failed?

Should a suspension containing 500 mg tetracycline HCl and 500 mg lidocaine be prepared using lidocaine base, or can lidocaine HCl be used and adjusted to pH 5.7 with Na2HPO4 2 aq, given a composition of 500 mg tetracycline HCl, 500 mg lidocaine, qs Na2HPO4 2 aq, 30 ml sugar syrup, and water up to 100 ml; and what is the shelf life of this preparation, specifically is it 2 weeks in the refrigerator?