What is the best way to prepare Lamictal suppositories, what is known about their absorption, and can rectal administration be considered as an alternative to oral administration?

How can the formula containing 0.5g phenol, 5g resorcinol, 40g Diacode syrup, 15g mint spirit, and aqua up to 300g—which has not been reimbursed since December 1, 2012, due to the presence of phenol and Diacode syrup—be meaningfully modified to qualify for RIZIV reimbursement, specifically considering the use of lidocaine HCl as a painkiller instead of Diacode and chlorhexidine digluconate as an antiseptic, despite Martindale noting the latter's incompatibility with chlorides?

Water is separating from a W/O cream containing 500 mg erythromycin, 300 mg salicylic acid, 1.5 g urea, 300 mg hydrocortisone, 3 ml sweet almond oil, 10 ml water, and water-containing Eucerin FN 6 up to 30g; given that the Eucerin cum aqua FN6 was prepared first, followed by the addition of almond oil, erythromycin, salicylic acid, and urea, but separation occurred upon adding hydrocortisone, can this be remedied or should a different base be proposed to the physician?

Can a 70-year-old woman who is unable to swallow tablets finely crush Plavix 75 mg tablets to create a syrup, will this process negate any extended-release properties, and how long would such a preparation remain shelf-stable?

What is the best approach for the preparation and stability of a prescription for gabapentin 5% in cetomacrogol cream?

What are the solubility problems associated with guaifenesin?

What is the best preparation method for the following formula: 5% benzoyl peroxide, 3% erythromycin, 3% ethanol 94°, 8.5 g propylene glycol, and carbopol gel up to 50 g, and is there an incompatibility between ethanol and carbopol gel?