Procyclidine Chlorpromazine

Klein DF. Chlorpromazine-procyclidine combination, imipramine and placebo in depressive disorders. Can Psychiatr Assoc J 1966 11[Suppl 1] 146-149. 

Apomorphine (— black), azatadine, benorylate, bisacodyl, buprenorphine, butriptyline, captodiame, chloro-pyrilene, chlorpromazine, clofazimine, codeine, diamorphine, diethylthiambutene, dihydrocodeine, dimeth-indene blue), dimethoxanate, doxorubicin, doxylamine, ethopropazine, ethoxazene, guaiphenesin, guanoxan, hexocyclium methylsulphate, mepyramine, 6-monoacetylmorphine, morphine, nalorphine, nor-morphine, oxprenolol, oxyphenisatin, pecazine, penthienate, perazine, perphenazine, phenoxybenzamine, phenyltoloxamine, pholcodine, pimozide, pipoxolan (-> grey), prochlorperazine, procyclidine, promazine, promethazine, proquamezine, solanidine, thenium, thiopropazate, tricyclamol, trimeprazine, viloxazine... 

In 2 fatalities involving procyclidine, postmortem tissue concentrations were blood 4 and 4.4pg/ml, liver 15 and 11 pg/g, urine 7 and 1.8 pg/ml in the second case benztropine and chlorpromazine were also detected (P. G. Ashton, Bull. int. Ass.forens. Toxicol., 1980, 75(2), 9-11). 

Also analyzed acebutolol, acepromazine, acetaminophen, acetazolamide, acetophenazine, albuterol, amitriptyline, amobarbital, amoxapine, antipsrrine, atenolol, atropine, azata-dine, baclofen, benzocaine, bromocriptine, brompheniramine, brotizolam, bupivacaine, buspirone, butabarbital, butalbital, caffeine, carbamazepine, cetirizine, chlorqyclizine, chlordiazepoxide, chlormezanone, chloroquine, chlorpheniramine, chlorpromazine, chlorpropamide, chlorprothixene, chlorthalidone, chlorzoxazone, cimetidine, cisapride, clomipramine, clonazepam, clonidine, clozapine, cocaine, codeine, colchicine, qyclizine, (yclo-benzaprine, dantrolene, desipramine, diazepam, diclofenac, diflunisal, diltiazem, diphenhydramine, diphenidol, dipheno late, dipyridamole, disopyramide, dobutamine, doxapram, doxepin, droperidol, encainide, ethidium bromide, ethopropazine, fenoprofen, fentanyl, flavoxate, fluoxetine, fluphenazine, flurazepam, flurbiprofen, fluvoxamine, fii-rosemide, glutethimide, glyburide, guaifenesin, haloperidol, homatropine, hydralazine, hydrochlorothiazide, hydrocodone, hydromorphone, hydro g chloroquine, hydroxyzine, ibuprofen, imipramine, indomethacin, ketoconazole, ketoprofen, ketorolac, labetalol, le-vorphanol, lidocaine, loratadine, lorazepam, lovastatin, loxapine, mazindol, mefenamic acid, meperidine, mephenytoin, mepivacaine, mesoridazine, metaproterenol, methadone, methdilazine, methocarbamol, methotrexate, methotrimeprazine, methoxamine, methyl-dopa, methylphenidate, metoclopramide, metolazone, metoprolol, metronidazole, midazolam, moclobemide, morphine, nadolol, nalbuphine, naloxone, naphazoline, naproxen, nifedipine, nizatidine, norepinephrine, nortriptyline, oxazepam, oxycodone, oxymetazo-line, paroxetine, pemoline, pentazocine, pentobarbital, pentoxifylline, perphenazine, pheniramine, phenobarbital, phenol, phenolphthalein, phentolamine, phenylbutazone, phenyltoloxamine, phenytoin, pimozide, pindolol, piroxicam, pramoxine, prazepam, prazosin, probenecid, procainamide, procaine, prochlorperazine, procyclidine, promazine, promethazine, propafenone, propantheline, propiomazine, propofol, propranolol, protriptyline, quazepam, quinidine, quinine, racemethorphan, ranitidine, remoxipride, risperidone, salicylic acid, scopolamine, secobarbital, sertraline, sotalol, spironolactone, sulfinpyrazone, sulindac, temazepam, terbutaline, terfenadine, tetracaine, theophylline, thiethyl-perazine, thiopental, thioridazine, thiothixene, timolol, tocainide, tolbutamide, tolmetin, trazodone, triamterene, triazolam, trifluoperazine, triflupromazine, trimeprazine, trimethoprim, trimipramine, verapamil, warfarin, xylometazoline, yohimbine, zopiclone... 

A study to investigate any possible interaction between procyclidine 5 to 15 mg daily and chlorpromazine, fluphenazine or haloperidol found that the addition of procyclidine caused a transient fall in the serum... 

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