Drug-Analyte Interference ( Ass.Prof.Dr.Mohammed A. Taher)

Analytes
Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)
ABO
ACTH, plasma.
Activated partial
thromboplastin time.
Alanin
aminotransferase(ALT),
serum.
Aldosterone,serum.
Aldosterone,urine.
Alkaline
phosphatase,serum.
Alpha 1-antitrypsin,serum.
Ammonia ,plasma.
Amylase, serum.
Androstenedion
Anion cap
Antidiuretics hormone,
serum.
Antinulear antibodies
Drugs
Dextran or I.V contrast media.
Corticosteroids, estrogens, calcium gluconate,
amphetamines,spiranolactone,ethanol,and lithium
carbonate.
Anticoagulant.
Barbiturates,grisofulvin,isoniazide, nitrofurantoin,
salicylates,tetracycline, para-aminosalicylic scid morphin,
codeine,meperidine,lead, and carbon tetrachloride.
Methyldopa,diuretics,corticosteroids,
potassium,licorice,and propranolol.
Antihypertensive,diuretics, corticosteroids.
Vit.D,barbiturate,oral contraceptives, isoniazide,
methyldopa, phenothiazines, phenytoin,
rifampicin,halothane ,and clofibrate.
Oral contraceptives.
Acetazolamide,anribiotics.thiazides,ammonia
saltsfurosamide,Lactulose, neomycin,and kanamycin.
Ethyl alcohol, aminosalicylic acid,
asparginase,azathioprine,corticosteroids,cyprohaptatidine,
narcotic analgesic, oral
contraceptives.rifampicin,sulfasalazine,thiazide,and loop
dirutics.
Steroids, and pituitary hormones
Dirutics,lithium ,chlorpropamide,vasopressin,
corticosteroids, antihypertensives,
salicylates,paraldehyde,methicillin,dimercaprol,ammoniu
m chloride,acetazolamide,ethylene glycol,methyl
alcohol,ACTH,cortisone ,mercurial or chorothiazide
dirutics,licorice, thiazides,furosamide,ethacrynic
acid,bicarbonate or I.V. infusion 5% dextrose, iodine,and
magnesium containing antacids.
Morphin,
anesthetics,estrogens,oxytocin,chlorpropamide,vincristine
,carbamazepine,cyclophosphamide,chlorthiazide,and
alcohol.
Isoniazide, hydrazine,procainamide, para-aminosalicylic

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)
Antisterptolysin-o-test
streptococcal
antibodies,serum.
Antithrombin lll test
Arterial blood gas analysis
Aspartate
aminotransferase(AST),
serum
Aterial naturetic factor,
plasma
Bilirubin, serum
Bilirubin, urine
Bleeding time
Blood urea nitrogen
Calcium and phosphates,
urine
Calcium, serum
Catecholamines,plasma.
acid, chlorpromazine,clofibrate,phenytoin,
griseofulvin,ethasuximide,gold salts,methyldopa, oral
contraceptives,pencillin,
propylthiouracil,phenylbutazone,methysergide,streptomy
cin, sulfonamides,tetracylines,mephenytoin,quinidine,
primidone,reserpine,and trimethadione.
Antiboitic and corticosteroids.
Anticoagulants, anabolic steroids,warfarin, heparin, and
estrogen-containing oral contraceptives.
Bicarbonate, ethacrynic
acid,hydrocortisone,metolazone,prednisone,thiazide,aceta
zolamide,methicillin,nitrofurantoin,and tetracyuline.
Chlorpropamide,opiates,methyldopa,
erythromycin,sulfonamides,pyridoxine,dicumarol,
antituberculosis agents,acetaminophen,salicylates and
vit.A.
Beta-blocking agents, calcium
antagonists,diuretics,vasodilators and cardiac glycosides
Allopurinol, antibiotics, antineoplastic
agents,barbiturates,caffeine,steroids,sulfonamides,sulfony
lureas,propylthiouracil,theophyllin,indomethacin and
hepatotxic drugs.
Large amount of ascorbic acid and
nitrite,phenazopyridine,chlorpromazine and
acetophenazine maleate.
Sulfonamide,
thiazides,antineoplastics,anticoagulants,nonsteroidal
anti-inflammatory drugs,aspirin,aspirin compounds and
some nonnarcotic analgesics.
Aminoglycosides, amphotericin B,methicillin,and
chloramphenicol.
Thiazide,corticosteroids,sodium
phosphate,calcitonin,vit.D, and parathyroid hormone.
Vit.D, or its derivitives, androgens,
calciferol,progestins-estrogens,thiazide,laxatives,
acetazolamide, corticosteroids, and mithramycin.
Epinephrine,levodopa,amphetamines,phenothiazines(chlo
rpromazine),sympathomimmetics,decongestants,

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)
Catecholamines,urine.
Ceruloplasmin,serum.
Chloride,serum.
Cholesterol,total,serum.
Cholinesterase.
Complement,serum.
Connective tissue disease
test panel.
Coombs' antiglobulin test.
Copper reduction test.
antidepressants,and reserpine.
Caffeine,insulin,nitroglycerine,aminophylline,ethanol,sym
pathomimmetics,methyldopa,tricyclic
antidepressants,chloralhydrate,quinidine,quinine,
tetracycline,B-complex
vitamines,isoproterenol,levodpa,monoamine oxidase
inhibitors,clonidine,quanethidine,reserpine,iodine
containing contrast
media,phenothiazines,erythromycin,and methenamine
compounds.
Estrogen,methadone,and phenytoin.
Ammonium chloride,cholestyramine,boric
acid,oxyphenylbutazone,phenylbutazone,I.V. infusion of
sodium chloride,thiazides,furosamide,ethacrynic acid,and
bicarbonates or prolonged I.V.infusion of 5% dextrose in
water.
Cholestyramine,clofibrate,colestipol,cholchicine,
dextrothyroxine,estrogen,dilantin,glucagon,heparin,
kanamycin,haloperidol,neomycin,niacin,nitrates,paraaminosalicylic
acid,chlortetracycline,ACTH,corticosteroids,androgens,bile
salts,epinephrine,chlorpromazine,trifluoperazine,oral
contraceptives,salicylates,thiouracils,and trimethadione.
Cyclophosphamide,echothiophate iodide,monoamine
oxidase inhibitors,succinyl
chloride,neostigmine,quinine,quinidine,chloroquine,caffei
ne,codeine,theophylline,epinephrine,ether,barbiturates,
atropine,morphine,codeine,phenothiazines,vitamin K,and
folic acid.
Heparin.
Chlorpromazine,phenytoin,ethosuximide,haydrazine,
methyldopa,oral
contraceptives,isoniazide,procainamide,and
trimethadone.
Quinidine,methyldopa,cephalosporins,sulfonamides,
chlorpromazine,diphenylhydantoin,dipyrone,mefenamic
acid,melphalan,pencillin,procainamide,rifampin,
streptomycin,and tetracyclines.
Cephalosporins,nalixidic acid,ascorbic acid,probencid,and
reducing substances.

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)
Copper,urine.
Cortisol,plasma.
Cortisol,urine free.
C-reactive protein.
Creatine,serum.
ٍCreatine
phosphokinase(CPK)
Creatinine clearance.
Creatinine ,serum.
Creatinine,urine.
Crossmatching.
Cystine,urine.
Delta-aminolevulinic
acid,urine.
Dexamethazone
suppression test.
Digitalis glycosides,serum.
D-xylose absorption.
Estriol.
Estrogens,serum.
Estrogens,total,urine.
Ethanol,blood.
Febrile agglutination tests.
D-penicillamine.
Estrogens,oral contraceptives,androgens and phenytoin.
Steroid,reserpine,phenothiazines,morphine,and
amphetamines.
Oral contraceptives.
Testosterone.
Halothane , succinylcholine,alcohol,lithium,and
aminocaproic acid.
Amphotericin B,thiazide,furosemide,and aminoglycosides.
Ascorbic
acid,barbiturates,diuretics,sulphobromophthalein,and
phenosulfonphthalein.
Corticosteroids,gentamicin,tetracylines,diuretics and
amphotericin B.
Dextran or I.V.contrast media.
Penicillamine.
Barbiturates,grisofulvin and vitamin E.
Barbiturates or phenytoin.
Aminosalicylic
acid,antacids,cholestyramine,colestipol,kaolinprotein,neomycine,phenylbutazone,quinidine,verampil,
spiranolactone.
Aspirin,and indomethacin.
Sterod hormones,methenamine
mandelate,phenothiazines,ampicillin,phenazopyridine
hydrochloride,tetracyclines,cascara
segarada,senna,phenolphalein,hydrochlorothiazide, and
meprobamate.
Oral contraceptives,clomiphene and steroid or pituitary-
based hormones.
Estrogens,progesterone,corticosteroids,methanamine
mandelate,phenazopyridine
hydrochloride,phenazothiazines,tetracycline,
meprobamate,senna,cascara segarada, and
hydrochlorthiazide.
Chloralhydrate,glutethimide,and ethanol with
barbiturates.
Antibiotics.

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)
Fecal occult blood.
Fibrin split products (FSP).
Folic acid,serum.
Follicle-stimulating
hormone(FSH),serum.
Free fatty acids.
Gastric culture.
Gastrin,serum.
Glucose oxidase test.
Glucose tolerance test,
oral.
Glucose,2hour
postprandial,plasma.
Growth hormone,serum.
Iron,bromides,rauwlfia
derivatives,indomethacin,cholchicine,phenylbutazone,
steroids,and ascorbic acid (Vit.C).
Heparin,urokinase,barbiturates.
Alcohol,phenytoin and pyrimethamine.
Estrogens,progesterone, and phenothiazines.
Alcohol,amphetamines,ACTH,cortisone,epinephrine,norep
enphrine,growth hormone,thyroid stimulating
hormone,thyroxine,chlorpromazine,isoproterenol,
reserpine,tolbutamide,caffeine,aspirin,clofibrate,glucose,
insulin,neomycine,and streptozocin.
Antibiotics(tetracycline).
Glycine,calcium
carbonate,thiazide,furosemide,triamterene,contraceptives
,benzodiazepines,phenytoin,phenothiazines,lithium,
epeniphrine,arginine,phenolphthalein,dextrothyroxine,
dizoxide,nicotinic acid,corticosteroids,I.V.glucose
infusion,ethacrynic acid,salicylates,antitubercular
agents,sulfonylurease,sulfonamides,ethanol,clofibrate,
monoamine oxidase inhibitors,insulin,and oral
hypoglycemic agents.
Levodopa,ascorbic acid,phenazopyridine,
methyldopa,salicylates and tetracyclines.
Chlorthalidone,thiazide,furosemide,triamterene,oral
contraceptives,benzodiazepines,phenytoin,phenothiazines
,lithium,epinephrine,arginine,phenolphthalein,
dextrothyroxine,diazoxide,nicotineic
acid,corticosteroids,I.V.glucose infusions,ethacrynic
acid,β-adrenergic
blockers,amphetamines,ethanol,clofibrate,insulin,oral
hypoglycemic,and momnoamine oxidase inhibitors.
Chlorthalidone,thiazide,furosemide,triamterene,oral
contraceptives,benzodiazepines,phenytoin,phenothiazines
,lithium,epinephrine,arginine,phenolphthalein,dextrothyro
xine,diazoxide,nicotineic acid,corticosteroids,I.V.glucose
infusions,ethacrynic acid,β-adrenergic
blockers,amphetamines,ethanol,clofibrate,insulin,oral
hypoglycemic,and momnoamine oxidase inhibitors.
Arginine,levodopa,insulin,β-

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)
Growth
hormone,suppression test.
Haptoglobin,serum.
Heinz bodies.
Hemoglobins,unstable.
Hemoglobin,urine.
Heterophil agglutination
test.
Homovanillic acid,urine.
Human chorionic
gonadotrhpin(hCG),serum.
Human chorionic
gonadotrophin(hCG),urine.
17-Hydroxycorticosteroids,
urine.
5-Hydroxyindloacetic
acid(5-HIAA),urine.
Hydroxyproline,urine.
Immunoglobulins G,A, and
M.
Insulin ,serum.
Insulin tolerance test.
Intrinsic factor blocking
blockers(propranolol),estrogens,phenothiazines(chlorpro
mazine) and corticosteroids.
Corticosteroids,phenothiazines(chlorpromazine),arginine,
levodopa,amphetamines,glycogen,niacin and estrogens.
Steroids,and androgens.
Antimalarials,furazolidone,nitrofurantoin,phenacetin,
procarbazine,and sulfonamides.
Antimalarials,furazolidone,nitrofurantoin,phenacetin,proc
arbazine,and sulfon amides.
Vitamine C,nephrotoxic drugs(amphotericin B) and
anticaogulants(warfarin).
Opiates.
Monoamine oxidase inhibitors,aspirin,methocarbamol,and
levodopa.
Heparin.
Phenothiazines.
Meorobamate,phenothiazines,spiranolactone,ascorbic
acid,chloralhydrate,glutethimide,chlordiazepoxide,
penicillin G,hydroxyzine,quinidine
quinine,iodides,methenamine,hydralazine,phenytoin,thiaz
ide,ethinamate,nalixidic acid and reserpine.
Mephalan,reserpine,flurouracil,ethanol,tricyclic
antidepressants,monoamine oxidase
inhibitors,methyldopa,isoniazide,methenamine
compounds,phenothiazines,salicylates,guaifenesin,
mephensin,methocarbamal,and acetaminophen.
Ascorbic acid,vitamine
D,aspirin,glucocorticosteroids,calcitonin,and mithramycin.
Methtroxate,aminophenazone,anticonvulsants,aspirginase
,hydralazine,hydantoin derivatives,oral contraceptives,
phenylbutazone,dextrans, phenytoin,methyl prednisolone
and methadone.
ACTH,steroids,thyroid hormones,epinephrine and insulin.
Steroids,glucocorticoids,β-blockers,estrogens,calcium
gluconate,amphetamines,methamphetamines,
spiranolactone and ethanol.
Methotrexate.

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)
antibody,serum.
Iron,serum,and total ironbinding
capacity.
17-ketogenic
steroids,urine.
Ketone test,urine.
17-ketosteroids,urine.
Lactose tolerance
test,oral.
Leucine aminopeptidease
Leukoagglutinine test.
Lipase,serum
Lipid,fecal.
Lipoprotein-cholesterol
fractionation.
Lipoprotein phenotyping.
Lupus erythromatosus cell
preparation.
Lymphocyte
transformation tests.
Magnesium,serum.
Magnesium,urine.
Manganese,serum.
Mysthenia gravis test
panel.
5'-Nuucleotidase.
Para-aminohippuric acid
Chloramphenicol,oral contraceptives,ACTH,and Iron
supplements.
ACTH,meprobamate,phenothiazines,spiranolactone,
penicillin,oleandomycin,hydralazine,estrogens,quinine,res
erpine,thiazides,corticosteroid,nalixidic acid,and
dexamethasone.
Levodopa,phenazopyridine,sulfobromophthalein.
Meprobamate,phenothiazines,spiranolactone,
oleandomycin,estrogens,penicillin,ethacrynic
acid,phenytoin,nalixidic, acid and quinine.
Thiazide,oral contraceptives,benzodiazepines,
Propranolol and insulin.
Estrogens,progesterone,and oral contraceptives.
I.V. contrast media and dextran.
Cholinesterase,codeine,meperdine,and morphine.
Azothioprine,bisacodyl,cholestyramine,kanamycin,neomyc
in,cholchicine,aluminium hydroxide,calcium
carbonate,alcohol,potassium chloride,and mineral oil.
Clofibrate,cholestyramine,cholestipol,dextrothyroxine,niac
in,probucol,gemfibrazil,oral
contraceptives,phenothiazines,estrogens,salicylates,iodine
,and vitamine A and D.
Heparine.
Isiniazide,hydrazine,procainamide,para-aminosalicylic
acid,chlorpromazine,clifibrate,phenytoin,grisofulvin,
ethosuximide,gold salts,methyldopa,oral
contraceptives,penicillin,propylthiouracil,pheylbutazone,m
ethysergide,streptomycin,sulfonamides,tetracyclines,mep
hentoin,quinidine,primidone,reserpine,and trimethadione.
Chemotherapy.
I.V.infusion without magnesium,I.V.calcium gluconate.
Ethacrynic acid,thiazide,aldosterone,magnesium
containing antacids.
Calcium,phosphorous,estrogens,and glucocorticosteroids.
Immunosuppressant drug,muscle relaxants,anticoagulants
and D-penicillamine.
Phenothiazines,morphin,mepiridine,and codeine.
Diuretics,penicillamine,phenolsulfonphthalein,probencid,

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)
excretion.
Phenolthiazines,serum.
Phosphates,serum.
Phospholipids,plasma.
Plasma thrombine time.
Plsminogen,plasma.
Platelet aggregation.
Platelet count.
Platelet survival.
Porphyrins,urine.
Potassium,serum.
Potassium,urine
Pregnanediol,urine.
Progesterone,plasma.
Prolactin.
salicylates,procaine,sulfonamides.
Antacids,anticholenergics,and barbiturates.
Vitamin D.,I.V.dextrose,phosphate-binding
antacids,acetazolamide,insulin, and epinephrine.
Clofibrate,antilipemic agents,estrogens,epinephrine, and
chlorpromazine.
Heparin.
Oral contraceptives,streptokinase,urokinase.
Aspirin,dipyridamide,caffeine,aminophylline,phenylbutazo
ne,sulfinpyrazine,phenothiazines,antihistamines,antiinflammatory
drugs,and tricyclic antidepressants.
Acetazolamide,acetohexamide,antimony,antineoplastics,
brompheniramine
maleate,carbamazepine,chloramphenicol,ethacrynic
acid,furosamide,gold
salts,hydroxychloroquine,indomethacin,isoniazide,mephe
nytoin,mefenamic
acid,methazolamide,methiamazole,methyldopa,oral
diazoxide,oxyphenbutazone,penicillamine,penicillin,pheny
lbutazone,phenytoin,pyrimethamine,quinidine
sulphate,quiunine,salicylates,streptomycin,sulfonamides,
thiazide,tricyclic antidepressants,and heparin.
Anticonvulsants,carbamates,chloramphenicol,
antineoplastic
agents,isoniazid,pyrazolenes,sulfanomides,sulphonylureas
e,streptomycin,aspirin,benzenes,DDT,digitoxin,gold
salts,heparin,quinidine,quinine,and thiazides.
Grisofulvin,tetracycline,barbiturates,chloralhydrate,
chlorpropamide,sulfonamides,meprobamate,and
chlordiazepoxide.
Potassium infusion,spiranolactone,penicillin Gpotassium
therapy,amphotericn B,methicillin,tetracyclines,insulin
and glucose,thiazides,and I.V. infusions without
potassium.
Amomonium chloride,and thiazidee.
Methanamine mandelate,methenamine
hippurate,ACTH,and oral contraceptives.
Progesterone,estrogen, and adrenocortical therapy.
Ethanol,haloperidol,morphine,metallopramide,methyldop
a,estrogens,phenothiazines,tricyclic

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)
Prostate-specific antigen.
Protein C,plasma.
Protein
electrophoresis,serum.
Protein,urine.
Prothrombine
consumption time (PCT)
Prothrombin time(PT).
Radioactive iodine uptake
test.
Renin activity,plasma.
Reticulocyte count.
Rh typing.
Salicylates,serum.
Sedative and hypnotics.
Sodium and chloride,urine.
antidepressants,procainamide
derivatives,reserpine,apomorphine,ergot alkaloids,and
levodopa.
Cyclophosphamide,diethylstilbosterol, and methotrexate.
Anticoagulant therapy.
Sulphobromophthalein(contrast dye).
Tolbutamide,para-aminosalicylic
acid,acetazolamide,sodium
bicarbonate,penicillin,sulfonamides,iodine contrast media
, and cephalosporins.
Anticoagulant therapy.
ACTH,alcohol,anabolic steroids,cholestyramine
resin,heparin I.V.,indomethacin,mefenamic acid,paraamnosalicylic
acid,methimazole,oxyphenylbutazone,phenylbutazone,
phenytoin,propylthiouracil,quinidine,quinine,thyroid
hormones,vitamine
A,antihistamines,chloralhydrate,corticosteroids,digitalis,di
uretics,glutethimide,grisofulvin,progestin-estrogen
combinations,pyrazinamide,vitamin
K,caffeine,theoephylline,antibiotics,barbiturates,hydroxyzi
ne,sulfonamides,salicylates,mineral oil ad clofibrate.
Iodine preparation including iodized salt,cough syrups,and
some vitamins,thyroid hormones,thyroid hormone
antagonists,salicylates,penicillin,antihistamines,
anticoagulants,corticosteroids,phenylbutazone,and
phenothiazines.
Diuretics therapy,oral contraceptives,antihypertensive
agents,vasodilators,licorice,salt-retaining steroid
therapy,and antidiuretics.
Azothioprine,chloramphenicol,diacetinomycin,methotrexa
te,ACTH,antimalarials.antipyretics,furazolidone,levodopa,a
nd sulfonamide.
Dextran or I.V.contrast media,methyldopa,cephalosporins
and levodopa.
Anacids,and ammonium chloride.
Ethanol .
Ammonium chloride,potassium chloride,sodium

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)
Sodium,serum.
Stool culture.
Testosterone.
Thyroid-stimulating
hormone(TSH),neonatal.
Thyroid-stimulating
immunoglobulin,serum.
Thyroid-binding
globulin(TBG),serum.
Tolbutamide tolerance
test.
Triglyceride,serum.
Triiodothyronine resin
uptake (T3RU).
Triiodothyroxine(T3),seru
m.
Tuberculin skin-test.
Tubular reabsorbed .
Phosphate,plasma and
urine.
Urea clearance.
Uric acid,serum.
Uric acid,serum.
Urine concentration and
bicarbonate,thiazide,and steroids.
Diuretics,lithium,chlorpropamide,vasopressin,conrticoster
oids,methyldopa,hydralazine,and reserpine.
Antibiotics.
Exogenous estrogens or androgens.
Corticosteroids,T3,T4,lithium carbonate,potassium
iodide,topical resorcinol,and TSH injection.
Radio active iodine.
Oral
contraceptives,phenothiazines,androgens,prednisone,
phenytoin,and salicylates.
Salicylates,chloramphenicol,phenylbutazone,monoamine
oxidase inhibitors,and sulfonamides.
Alcohol,antilipemics,cholestyramine,colestiprol,corticoster
oids,oral contraceptives,estrogens,ethyl
alcohol,furosamide,micronazoles,clofibrate,
dextroythyroxine,heparin,sulfonylurease,norethindrones,
androgens,ascorbic acid,gemfibrazil,niacin,and probucol.
Phenylbutazone,phenytoin,aspirin,anabolic
steroids,anticoagulants(heparin),thyroxine,T3,oral
contraceptives.
Steroids,clofibrate,and propranolol.
Corticosteroids,and immunosuppressants.
Amphotericin B,and chlorothiazide.
furosamide, and gentamycin.
Caffeine,epinephrine,antidiuretic
hormone,corticosteroids,amphotericin B,thiazide and
streptomycin.
Loop
diuretics,ethambutol,vincridtine,pyrazinamide,thiazide,sali
cylates.acetaminophen,ascorbic
acid,levodpoa,phenacetin,aspirin,cinchophen,adrenocortic
otrophic hormone(ACTH),and phenothiazines.
Benzthiazide,furosamide,ethacrynic
acid,pyrazinamide,salicylates,phenylbutazone,probencid,
and allopurinol.
Diuretics, and nephrotoxic drugs.

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)
dilution tests.
Uroblinogen,fecal.
Urobilinogen,urine.
Vanillylmandelic
acid,urine.
Vitamin A,serum.
Vitamin D3,serum.
White blood cell (WBC)
count.
Zinc,serum.
Broad spectrum antibiotics,sulfonamides,and salicylates.
Para-aminosalicylic
acid,phenazopyridine,procaine,mandelate,phenothiazines,
sulfonamides,acetazolamide and sodium bicarbonate.
Epeniphrine,norepinephrine,lithium
carbonate,methocarbamol,chlorpromazine,huanethidine,r
eserpine,mono-amine oxidase
inhibitors,clonidine,levodopa,and salicylates.
Mineral oil, and oral contraceptives.
Anticonvulsants,and corticosteroids.
Antineoplastic agents,anti-infective,such as
metronidazole,flucytosine,anticonvulsants,such as
phenytoin derivatives,thyroid hormone antagonists,and
non-steroidal anti-inflammatories,such as indomethacin.
Zinc-chelating agents such as penicillin and
corticosteroids.

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)

Drug-Analyte Interference (Ass.Prof.Dr.Mohammed A. Taher)