Table 2. Drugs Thought Unsafe in Porphyria †
Alcuronium
*Alphaxalone
Alphadolone
Alprazolam
Aluminium
Preparations
Amidopyrine
Aminoglutethimide Aminophylline
Amiodarone
*Amitriptyline
[Amphetamines]
*Amylobarbitone
Antipyrine
*Auranofin
*Aurothiomalate
Azapropazone
Baclofen
*Bemegride
Bendrofluazide
Benoxaprofen
Benzbromarone
[Benzylthiouracil] [Bepridil]
Bromocriptine
Busulphan
*Butylscopolamine Captopril
*Carbromal
[Cefuroxime]
[Cephalexin]
[Cephalosporins]
[Cephradine]
[Chlorambucil]
*Chloramphenicol
*Chlordiazepoxide *Chlormezanone
Chloroform
*Chlorpropamide
Cinnarizine
Clemastine
[Clobazam]
[Clomipramine HCl]
[Clonazepam]
Clonidine HCl
*Clorazepate
Cocaine
[Colistin] Co-trimoxazole
Cyclophosphamide
Cycloserine
Cyclosporin
Danazol
*Dapsone
Dexfenfluramine
Dextropropoxyphene Diazepam
*Dichloralphenazone *Diclofenac Na
Dienoestrol
Diethylpropion
Dihydralazine
*Dihydroergotamine
Diltiazem
*Dimenhydrinate
*Diphenhydramine
[Dothiepin HCl]
Doxycycline
*Dydrogesterone
*Econazole NO3
*Enalapril
Enflurane
*Ergot compounds
Ergometrine maleate Ergotamine tartrate
*Erythromycin *Estramustine
Ethamsylate
*Ethanol
Ethionamide
*Ethosuximide
*Ethotoin
Etidocaine
Etomidate
Fenfluramine
*Flucloxacillin
*Flufenamic acid
Flunitrazepam
Flupenthixol
Flurazepam
*Frusemide
*Glibenclamide
*Glipizide
Gramicidin
*Griseofulvin
[Haloperidol]
*Halothane
*Hydantoins
*Hydralazine
*Hydrochlorothiazide *Hydroxyzine Hyoscine
*Imipramine
Iproniazid
Isometheptene mucate
[Isoniazid]
Kebuzone
Ketoconazole
*Levonorgestrel
Lignocaine
*Lisinopril
Loprazolam
Loxapine
*Lynestrenol
Lysuride
Maleate
Maprotiline HCl
Mebeverine HCl
*Mecillinam
*Medroxyprogesterone
Megestrol acetate
*Mephenytoin
Mepivacaine
Mercaptopurine Mercury compounds
Mestranol
[Metapramine HCl]
Methamphetamine
Methohexitone
[Methotrexate] [6]
Methoxyflurane
Methsuximide
*Methyldopa
*Methylsulphonal
*Methyprylone
Methysergide
*Metoclopramide
Metyrapone
Mianserin HCl
Miconazole
[Mifepristone]
Minoxidil
*Nandrolone
*Nalidixic acid
Natamycin
*Nandrolone
[Nicergoline]
*Nifedipine
*Nikethamide Nitrazepam
*Nitrofurantoin
Nordazepam
Norethynodrel
*Norethisterone
[Nortriptyline]
Novobiocin
*Oral contraceptives
*Orphenadrine
Oxanamide
[Oxazepam]
Oxybutynin HCl
Oxycodone
*Oxymetazoline
*Oxyphenbutazone
Oxytetracycline
Paramethadione
Pargyline
*Pentazocine
Perhexiline
Phenacetin
Phenelzine
*Phenobarbitone
Phenoxybenzamine
*Phensuximide Phenylhydrazine
Pipebuzone
Pipemidic
Acid
Piritramide
*Piroxicam
*Pivampicillin
*Pivmecillinam
Prazepam
Prenylamine
*Prilocaine
[Probenecid]
*Progesterone
Progabide
Promethazine
*Pyrazinamide
Pyrrocaine
Quinalbarbitone
Rifampicin
Simvastatin
Sodium aurothiomalate
Sodium oxybate [Sodium valproate]
*Spironolactone
Stanozolol
Succinimides
*Sulfacetamide
*Sulfadiazine
*Sulfadimidine
*Sulfadoxine
*Sulfamethoxazole *Sulfasalazine
*Sulfonylureas
Sulfinpyrazone
Sulpiride
Sulthiame
Sultopride
*Tamoxifen
*Terfenadine
Tetrazepam
*Thiopentone Na
Thioridazine
Tilidate
Tinidazole
*Tolazamide
*Tolbutamide
Tranylcypromine Trazodone HCl
Trimethoprim
[Trimipramine]
Troxidone
Valproate
Valpromide
Veralipride
*Verapamil
*Vibramycin
Viloxazine HCl
[Vinblastine]
[Vincristine]
Zuclopenthixol
*These drugs have been associated with acute attacks of porphyria.