b3ta.com/search/talk?q=solphadine
(The Porcupine From Purgatory we of all lost both have them, Tue 15 Aug 2023, 15:37, archived)

oh fuck, I've fallen down a gonz rabbit hole looking up his invaluable knowledge of pharmacokinetics.
Stockley's Drug Interactions (last updated 08-Aug-23):
"Diamorphine, morphine, oxycodone, pentazocine and pethidine (meperidine) delay gastric emptying so that the rate of absorption of oral paracetamol is reduced. No pharmacokinetic interaction occurs between codeine and paracetamol, but the combination may not always result in increased analgesia."

Gonz:
"Paracetimol tripples (or whatever) the effect of any opiet. And so does cafinated carbinated drinks."

rabbit stoma
(The Porcupine From Purgatory we of all lost both have them, Tue 15 Aug 2023, 15:52, archived)