Can or may tretinoine be processed in Beeler base, and what is the prescription for tretinoine in Lanette cream?

Can pentobarbital sodium be absorbed in the rectum when administered as a 60 mg Nembutal suppository, or does the local pH prevent absorption in the intestine similar to phenobarbital sodium?

What is the ideal preparation method for a suspension containing 3% salicylic acid, 3% sulfur, 3% resorcinol, 1% camphor, 1% Aerosil, 50 mg Tween 80, 14 ml isopropanol, and aqua ad 100 ml, specifically addressing why adding 2% hydroxypropylcellulose (HPC) with boiling water results in a gum-like mass that cannot be mixed with the salicylic acid, camphor, Tween, and isopropanol mixture; would the inclusion of Veegum or bentonite prevent this, is there an alternative to HPC due to its stickiness, could pre-preparing an HPC-water mixture be a solution, and why does replacing HPC with NaCMC fail to produce a good suspension?

Is there a bottle available to soften calluses that is based on potassium hydroxide and sodium borate and is not as caustic as Groene Duivel?

What is an alternative preparation method for the 2% erythromycin hydrophilic gel according to the TMF, as the current method consistently results in lumps?

Is it possible to compound a generic substitute for Condyline solution now that this product has been discontinued?

Can I add 30 g of Carrel-Dakin solution to Locoid Lipocream, and should I use Locoid Crelo instead as suggested to prevent the cream from curdling, or should I use the cream anyway?