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)
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<strong>Analyte</strong>s<br />
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)<br />
ABO<br />
ACTH, plasma.<br />
Activated partial<br />
thromboplastin time.<br />
Alanin<br />
aminotransferase(ALT),<br />
serum.<br />
Aldosterone,serum.<br />
Aldosterone,urine.<br />
Alkaline<br />
phosphatase,serum.<br />
Alpha 1-antitrypsin,serum.<br />
Ammonia ,plasma.<br />
Amylase, serum.<br />
Androstenedion<br />
Anion cap<br />
Antidiuretics hormone,<br />
serum.<br />
Antinulear antibodies<br />
<strong><strong>Dr</strong>ug</strong>s<br />
Dextran or I.V contrast media.<br />
Corticosteroids, estrogens, calcium gluconate,<br />
amphetamines,spiranolactone,ethanol,and lithium<br />
carbonate.<br />
Anticoagulant.<br />
Barbiturates,grisofulvin,isoniazide, nitrofurantoin,<br />
salicylates,tetracycline, para-aminosalicylic scid morphin,<br />
codeine,meperidine,lead, and carbon tetrachloride.<br />
Methyldopa,diuretics,corticosteroids,<br />
potassium,licorice,and propranolol.<br />
Antihypertensive,diuretics, corticosteroids.<br />
Vit.D,barbiturate,oral contraceptives, isoniazide,<br />
methyldopa, phenothiazines, phenytoin,<br />
rifampicin,halothane ,and clofibrate.<br />
Oral contraceptives.<br />
Acetazolamide,anribiotics.thiazides,ammonia<br />
saltsfurosamide,Lactulose, neomycin,and kanamycin.<br />
Ethyl alcohol, aminosalicylic acid,<br />
asparginase,azathioprine,corticosteroids,cyprohaptatidine,<br />
narcotic analgesic, oral<br />
contraceptives.rifampicin,sulfasalazine,thiazide,and loop<br />
dirutics.<br />
Steroids, and pituitary hormones<br />
Dirutics,lithium ,chlorpropamide,vasopressin,<br />
corticosteroids, antihypertensives,<br />
salicylates,paraldehyde,methicillin,dimercaprol,ammoniu<br />
m chloride,acetazolamide,ethylene glycol,methyl<br />
alcohol,ACTH,cortisone ,mercurial or chorothiazide<br />
dirutics,licorice, thiazides,furosamide,ethacrynic<br />
acid,bicarbonate or I.V. infusion 5% dextrose, iodine,and<br />
magnesium containing antacids.<br />
Morphin,<br />
anesthetics,estrogens,oxytocin,chlorpropamide,vincristine<br />
,carbamazepine,cyclophosphamide,chlorthiazide,and<br />
alcohol.<br />
Isoniazide, hydrazine,procainamide, para-aminosalicylic
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)<br />
Antisterptolysin-o-test<br />
streptococcal<br />
antibodies,serum.<br />
Antithrombin lll test<br />
Arterial blood gas analysis<br />
Aspartate<br />
aminotransferase(AST),<br />
serum<br />
Aterial naturetic factor,<br />
plasma<br />
Bilirubin, serum<br />
Bilirubin, urine<br />
Bleeding time<br />
Blood urea nitrogen<br />
Calcium and phosphates,<br />
urine<br />
Calcium, serum<br />
Catecholamines,plasma.<br />
acid, chlorpromazine,clofibrate,phenytoin,<br />
griseofulvin,ethasuximide,gold salts,methyldopa, oral<br />
contraceptives,pencillin,<br />
propylthiouracil,phenylbutazone,methysergide,streptomy<br />
cin, sulfonamides,tetracylines,mephenytoin,quinidine,<br />
primidone,reserpine,and trimethadione.<br />
Antiboitic and corticosteroids.<br />
Anticoagulants, anabolic steroids,warfarin, heparin, and<br />
estrogen-containing oral contraceptives.<br />
Bicarbonate, ethacrynic<br />
acid,hydrocortisone,metolazone,prednisone,thiazide,aceta<br />
zolamide,methicillin,nitrofurantoin,and tetracyuline.<br />
Chlorpropamide,opiates,methyldopa,<br />
erythromycin,sulfonamides,pyridoxine,dicumarol,<br />
antituberculosis agents,acetaminophen,salicylates and<br />
vit.A.<br />
Beta-blocking agents, calcium<br />
antagonists,diuretics,vasodilators and cardiac glycosides<br />
Allopurinol, antibiotics, antineoplastic<br />
agents,barbiturates,caffeine,steroids,sulfonamides,sulfony<br />
lureas,propylthiouracil,theophyllin,indomethacin and<br />
hepatotxic drugs.<br />
Large amount of ascorbic acid and<br />
nitrite,phenazopyridine,chlorpromazine and<br />
acetophenazine maleate.<br />
Sulfonamide,<br />
thiazides,antineoplastics,anticoagulants,nonsteroidal<br />
anti-inflammatory drugs,aspirin,aspirin compounds and<br />
some nonnarcotic analgesics.<br />
Aminoglycosides, amphotericin B,methicillin,and<br />
chloramphenicol.<br />
Thiazide,corticosteroids,sodium<br />
phosphate,calcitonin,vit.D, and parathyroid hormone.<br />
Vit.D, or its derivitives, androgens,<br />
calciferol,progestins-estrogens,thiazide,laxatives,<br />
acetazolamide, corticosteroids, and mithramycin.<br />
Epinephrine,levodopa,amphetamines,phenothiazines(chlo<br />
rpromazine),sympathomimmetics,decongestants,
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)<br />
Catecholamines,urine.<br />
Ceruloplasmin,serum.<br />
Chloride,serum.<br />
Cholesterol,total,serum.<br />
Cholinesterase.<br />
Complement,serum.<br />
Connective tissue disease<br />
test panel.<br />
Coombs' antiglobulin test.<br />
Copper reduction test.<br />
antidepressants,and reserpine.<br />
Caffeine,insulin,nitroglycerine,aminophylline,ethanol,sym<br />
pathomimmetics,methyldopa,tricyclic<br />
antidepressants,chloralhydrate,quinidine,quinine,<br />
tetracycline,B-complex<br />
vitamines,isoproterenol,levodpa,monoamine oxidase<br />
inhibitors,clonidine,quanethidine,reserpine,iodine<br />
containing contrast<br />
media,phenothiazines,erythromycin,and methenamine<br />
compounds.<br />
Estrogen,methadone,and phenytoin.<br />
Ammonium chloride,cholestyramine,boric<br />
acid,oxyphenylbutazone,phenylbutazone,I.V. infusion of<br />
sodium chloride,thiazides,furosamide,ethacrynic acid,and<br />
bicarbonates or prolonged I.V.infusion of 5% dextrose in<br />
water.<br />
Cholestyramine,clofibrate,colestipol,cholchicine,<br />
dextrothyroxine,estrogen,dilantin,glucagon,heparin,<br />
kanamycin,haloperidol,neomycin,niacin,nitrates,paraaminosalicylic<br />
acid,chlortetracycline,ACTH,corticosteroids,androgens,bile<br />
salts,epinephrine,chlorpromazine,trifluoperazine,oral<br />
contraceptives,salicylates,thiouracils,and trimethadione.<br />
Cyclophosphamide,echothiophate iodide,monoamine<br />
oxidase inhibitors,succinyl<br />
chloride,neostigmine,quinine,quinidine,chloroquine,caffei<br />
ne,codeine,theophylline,epinephrine,ether,barbiturates,<br />
atropine,morphine,codeine,phenothiazines,vitamin K,and<br />
folic acid.<br />
Heparin.<br />
Chlorpromazine,phenytoin,ethosuximide,haydrazine,<br />
methyldopa,oral<br />
contraceptives,isoniazide,procainamide,and<br />
trimethadone.<br />
Quinidine,methyldopa,cephalosporins,sulfonamides,<br />
chlorpromazine,diphenylhydantoin,dipyrone,mefenamic<br />
acid,melphalan,pencillin,procainamide,rifampin,<br />
streptomycin,and tetracyclines.<br />
Cephalosporins,nalixidic acid,ascorbic acid,probencid,and<br />
reducing substances.
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)<br />
Copper,urine.<br />
Cortisol,plasma.<br />
Cortisol,urine free.<br />
C-reactive protein.<br />
Creatine,serum.<br />
ٍCreatine<br />
phosphokinase(CPK)<br />
Creatinine clearance.<br />
Creatinine ,serum.<br />
Creatinine,urine.<br />
Crossmatching.<br />
Cystine,urine.<br />
Delta-aminolevulinic<br />
acid,urine.<br />
Dexamethazone<br />
suppression test.<br />
Digitalis glycosides,serum.<br />
D-xylose absorption.<br />
Estriol.<br />
Estrogens,serum.<br />
Estrogens,total,urine.<br />
Ethanol,blood.<br />
Febrile agglutination tests.<br />
D-penicillamine.<br />
Estrogens,oral contraceptives,androgens and phenytoin.<br />
Steroid,reserpine,phenothiazines,morphine,and<br />
amphetamines.<br />
Oral contraceptives.<br />
Testosterone.<br />
Halothane , succinylcholine,alcohol,lithium,and<br />
aminocaproic acid.<br />
Amphotericin B,thiazide,furosemide,and aminoglycosides.<br />
Ascorbic<br />
acid,barbiturates,diuretics,sulphobromophthalein,and<br />
phenosulfonphthalein.<br />
Corticosteroids,gentamicin,tetracylines,diuretics and<br />
amphotericin B.<br />
Dextran or I.V.contrast media.<br />
Penicillamine.<br />
Barbiturates,grisofulvin and vitamin E.<br />
Barbiturates or phenytoin.<br />
Aminosalicylic<br />
acid,antacids,cholestyramine,colestipol,kaolinprotein,neomycine,phenylbutazone,quinidine,verampil,<br />
spiranolactone.<br />
Aspirin,and indomethacin.<br />
Sterod hormones,methenamine<br />
mandelate,phenothiazines,ampicillin,phenazopyridine<br />
hydrochloride,tetracyclines,cascara<br />
segarada,senna,phenolphalein,hydrochlorothiazide, and<br />
meprobamate.<br />
Oral contraceptives,clomiphene and steroid or pituitary-<br />
based hormones.<br />
Estrogens,progesterone,corticosteroids,methanamine<br />
mandelate,phenazopyridine<br />
hydrochloride,phenazothiazines,tetracycline,<br />
meprobamate,senna,cascara segarada, and<br />
hydrochlorthiazide.<br />
Chloralhydrate,glutethimide,and ethanol with<br />
barbiturates.<br />
Antibiotics.
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)<br />
Fecal occult blood.<br />
Fibrin split products (FSP).<br />
Folic acid,serum.<br />
Follicle-stimulating<br />
hormone(FSH),serum.<br />
Free fatty acids.<br />
Gastric culture.<br />
Gastrin,serum.<br />
Glucose oxidase test.<br />
Glucose tolerance test,<br />
oral.<br />
Glucose,2hour<br />
postprandial,plasma.<br />
Growth hormone,serum.<br />
Iron,bromides,rauwlfia<br />
derivatives,indomethacin,cholchicine,phenylbutazone,<br />
steroids,and ascorbic acid (Vit.C).<br />
Heparin,urokinase,barbiturates.<br />
Alcohol,phenytoin and pyrimethamine.<br />
Estrogens,progesterone, and phenothiazines.<br />
Alcohol,amphetamines,ACTH,cortisone,epinephrine,norep<br />
enphrine,growth hormone,thyroid stimulating<br />
hormone,thyroxine,chlorpromazine,isoproterenol,<br />
reserpine,tolbutamide,caffeine,aspirin,clofibrate,glucose,<br />
insulin,neomycine,and streptozocin.<br />
Antibiotics(tetracycline).<br />
Glycine,calcium<br />
carbonate,thiazide,furosemide,triamterene,contraceptives<br />
,benzodiazepines,phenytoin,phenothiazines,lithium,<br />
epeniphrine,arginine,phenolphthalein,dextrothyroxine,<br />
dizoxide,nicotinic acid,corticosteroids,I.V.glucose<br />
infusion,ethacrynic acid,salicylates,antitubercular<br />
agents,sulfonylurease,sulfonamides,ethanol,clofibrate,<br />
monoamine oxidase inhibitors,insulin,and oral<br />
hypoglycemic agents.<br />
Levodopa,ascorbic acid,phenazopyridine,<br />
methyldopa,salicylates and tetracyclines.<br />
Chlorthalidone,thiazide,furosemide,triamterene,oral<br />
contraceptives,benzodiazepines,phenytoin,phenothiazines<br />
,lithium,epinephrine,arginine,phenolphthalein,<br />
dextrothyroxine,diazoxide,nicotineic<br />
acid,corticosteroids,I.V.glucose infusions,ethacrynic<br />
acid,β-adrenergic<br />
blockers,amphetamines,ethanol,clofibrate,insulin,oral<br />
hypoglycemic,and momnoamine oxidase inhibitors.<br />
Chlorthalidone,thiazide,furosemide,triamterene,oral<br />
contraceptives,benzodiazepines,phenytoin,phenothiazines<br />
,lithium,epinephrine,arginine,phenolphthalein,dextrothyro<br />
xine,diazoxide,nicotineic acid,corticosteroids,I.V.glucose<br />
infusions,ethacrynic acid,β-adrenergic<br />
blockers,amphetamines,ethanol,clofibrate,insulin,oral<br />
hypoglycemic,and momnoamine oxidase inhibitors.<br />
Arginine,levodopa,insulin,β-
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)<br />
Growth<br />
hormone,suppression test.<br />
Haptoglobin,serum.<br />
Heinz bodies.<br />
Hemoglobins,unstable.<br />
Hemoglobin,urine.<br />
Heterophil agglutination<br />
test.<br />
Homovanillic acid,urine.<br />
Human chorionic<br />
gonadotrhpin(hCG),serum.<br />
Human chorionic<br />
gonadotrophin(hCG),urine.<br />
17-Hydroxycorticosteroids,<br />
urine.<br />
5-Hydroxyindloacetic<br />
acid(5-HIAA),urine.<br />
Hydroxyproline,urine.<br />
Immunoglobulins G,A, and<br />
M.<br />
Insulin ,serum.<br />
Insulin tolerance test.<br />
Intrinsic factor blocking<br />
blockers(propranolol),estrogens,phenothiazines(chlorpro<br />
mazine) and corticosteroids.<br />
Corticosteroids,phenothiazines(chlorpromazine),arginine,<br />
levodopa,amphetamines,glycogen,niacin and estrogens.<br />
Steroids,and androgens.<br />
Antimalarials,furazolidone,nitrofurantoin,phenacetin,<br />
procarbazine,and sulfonamides.<br />
Antimalarials,furazolidone,nitrofurantoin,phenacetin,proc<br />
arbazine,and sulfon amides.<br />
Vitamine C,nephrotoxic drugs(amphotericin B) and<br />
anticaogulants(warfarin).<br />
Opiates.<br />
Monoamine oxidase inhibitors,aspirin,methocarbamol,and<br />
levodopa.<br />
Heparin.<br />
Phenothiazines.<br />
Meorobamate,phenothiazines,spiranolactone,ascorbic<br />
acid,chloralhydrate,glutethimide,chlordiazepoxide,<br />
penicillin G,hydroxyzine,quinidine<br />
quinine,iodides,methenamine,hydralazine,phenytoin,thiaz<br />
ide,ethinamate,nalixidic acid and reserpine.<br />
Mephalan,reserpine,flurouracil,ethanol,tricyclic<br />
antidepressants,monoamine oxidase<br />
inhibitors,methyldopa,isoniazide,methenamine<br />
compounds,phenothiazines,salicylates,guaifenesin,<br />
mephensin,methocarbamal,and acetaminophen.<br />
Ascorbic acid,vitamine<br />
D,aspirin,glucocorticosteroids,calcitonin,and mithramycin.<br />
Methtroxate,aminophenazone,anticonvulsants,aspirginase<br />
,hydralazine,hydantoin derivatives,oral contraceptives,<br />
phenylbutazone,dextrans, phenytoin,methyl prednisolone<br />
and methadone.<br />
ACTH,steroids,thyroid hormones,epinephrine and insulin.<br />
Steroids,glucocorticoids,β-blockers,estrogens,calcium<br />
gluconate,amphetamines,methamphetamines,<br />
spiranolactone and ethanol.<br />
Methotrexate.
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)<br />
antibody,serum.<br />
Iron,serum,and total ironbinding<br />
capacity.<br />
17-ketogenic<br />
steroids,urine.<br />
Ketone test,urine.<br />
17-ketosteroids,urine.<br />
Lactose tolerance<br />
test,oral.<br />
Leucine aminopeptidease<br />
Leukoagglutinine test.<br />
Lipase,serum<br />
Lipid,fecal.<br />
Lipoprotein-cholesterol<br />
fractionation.<br />
Lipoprotein phenotyping.<br />
Lupus erythromatosus cell<br />
preparation.<br />
Lymphocyte<br />
transformation tests.<br />
Magnesium,serum.<br />
Magnesium,urine.<br />
Manganese,serum.<br />
Mysthenia gravis test<br />
panel.<br />
5'-Nuucleotidase.<br />
Para-aminohippuric acid<br />
Chloramphenicol,oral contraceptives,ACTH,and Iron<br />
supplements.<br />
ACTH,meprobamate,phenothiazines,spiranolactone,<br />
penicillin,oleandomycin,hydralazine,estrogens,quinine,res<br />
erpine,thiazides,corticosteroid,nalixidic acid,and<br />
dexamethasone.<br />
Levodopa,phenazopyridine,sulfobromophthalein.<br />
Meprobamate,phenothiazines,spiranolactone,<br />
oleandomycin,estrogens,penicillin,ethacrynic<br />
acid,phenytoin,nalixidic, acid and quinine.<br />
Thiazide,oral contraceptives,benzodiazepines,<br />
Propranolol and insulin.<br />
Estrogens,progesterone,and oral contraceptives.<br />
I.V. contrast media and dextran.<br />
Cholinesterase,codeine,meperdine,and morphine.<br />
Azothioprine,bisacodyl,cholestyramine,kanamycin,neomyc<br />
in,cholchicine,aluminium hydroxide,calcium<br />
carbonate,alcohol,potassium chloride,and mineral oil.<br />
Clofibrate,cholestyramine,cholestipol,dextrothyroxine,niac<br />
in,probucol,gemfibrazil,oral<br />
contraceptives,phenothiazines,estrogens,salicylates,iodine<br />
,and vitamine A and D.<br />
Heparine.<br />
Isiniazide,hydrazine,procainamide,para-aminosalicylic<br />
acid,chlorpromazine,clifibrate,phenytoin,grisofulvin,<br />
ethosuximide,gold salts,methyldopa,oral<br />
contraceptives,penicillin,propylthiouracil,pheylbutazone,m<br />
ethysergide,streptomycin,sulfonamides,tetracyclines,mep<br />
hentoin,quinidine,primidone,reserpine,and trimethadione.<br />
Chemotherapy.<br />
I.V.infusion without magnesium,I.V.calcium gluconate.<br />
Ethacrynic acid,thiazide,aldosterone,magnesium<br />
containing antacids.<br />
Calcium,phosphorous,estrogens,and glucocorticosteroids.<br />
Immunosuppressant drug,muscle relaxants,anticoagulants<br />
and D-penicillamine.<br />
Phenothiazines,morphin,mepiridine,and codeine.<br />
Diuretics,penicillamine,phenolsulfonphthalein,probencid,
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)<br />
excretion.<br />
Phenolthiazines,serum.<br />
Phosphates,serum.<br />
Phospholipids,plasma.<br />
Plasma thrombine time.<br />
Plsminogen,plasma.<br />
Platelet aggregation.<br />
Platelet count.<br />
Platelet survival.<br />
Porphyrins,urine.<br />
Potassium,serum.<br />
Potassium,urine<br />
Pregnanediol,urine.<br />
Progesterone,plasma.<br />
Prolactin.<br />
salicylates,procaine,sulfonamides.<br />
Antacids,anticholenergics,and barbiturates.<br />
Vitamin D.,I.V.dextrose,phosphate-binding<br />
antacids,acetazolamide,insulin, and epinephrine.<br />
Clofibrate,antilipemic agents,estrogens,epinephrine, and<br />
chlorpromazine.<br />
Heparin.<br />
Oral contraceptives,streptokinase,urokinase.<br />
Aspirin,dipyridamide,caffeine,aminophylline,phenylbutazo<br />
ne,sulfinpyrazine,phenothiazines,antihistamines,antiinflammatory<br />
drugs,and tricyclic antidepressants.<br />
Acetazolamide,acetohexamide,antimony,antineoplastics,<br />
brompheniramine<br />
maleate,carbamazepine,chloramphenicol,ethacrynic<br />
acid,furosamide,gold<br />
salts,hydroxychloroquine,indomethacin,isoniazide,mephe<br />
nytoin,mefenamic<br />
acid,methazolamide,methiamazole,methyldopa,oral<br />
diazoxide,oxyphenbutazone,penicillamine,penicillin,pheny<br />
lbutazone,phenytoin,pyrimethamine,quinidine<br />
sulphate,quiunine,salicylates,streptomycin,sulfonamides,<br />
thiazide,tricyclic antidepressants,and heparin.<br />
Anticonvulsants,carbamates,chloramphenicol,<br />
antineoplastic<br />
agents,isoniazid,pyrazolenes,sulfanomides,sulphonylureas<br />
e,streptomycin,aspirin,benzenes,DDT,digitoxin,gold<br />
salts,heparin,quinidine,quinine,and thiazides.<br />
Grisofulvin,tetracycline,barbiturates,chloralhydrate,<br />
chlorpropamide,sulfonamides,meprobamate,and<br />
chlordiazepoxide.<br />
Potassium infusion,spiranolactone,penicillin Gpotassium<br />
therapy,amphotericn B,methicillin,tetracyclines,insulin<br />
and glucose,thiazides,and I.V. infusions without<br />
potassium.<br />
Amomonium chloride,and thiazidee.<br />
Methanamine mandelate,methenamine<br />
hippurate,ACTH,and oral contraceptives.<br />
Progesterone,estrogen, and adrenocortical therapy.<br />
Ethanol,haloperidol,morphine,metallopramide,methyldop<br />
a,estrogens,phenothiazines,tricyclic
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)<br />
Prostate-specific antigen.<br />
Protein C,plasma.<br />
Protein<br />
electrophoresis,serum.<br />
Protein,urine.<br />
Prothrombine<br />
consumption time (PCT)<br />
Prothrombin time(PT).<br />
Radioactive iodine uptake<br />
test.<br />
Renin activity,plasma.<br />
Reticulocyte count.<br />
Rh typing.<br />
Salicylates,serum.<br />
Sedative and hypnotics.<br />
Sodium and chloride,urine.<br />
antidepressants,procainamide<br />
derivatives,reserpine,apomorphine,ergot alkaloids,and<br />
levodopa.<br />
Cyclophosphamide,diethylstilbosterol, and methotrexate.<br />
Anticoagulant therapy.<br />
Sulphobromophthalein(contrast dye).<br />
Tolbutamide,para-aminosalicylic<br />
acid,acetazolamide,sodium<br />
bicarbonate,penicillin,sulfonamides,iodine contrast media<br />
, and cephalosporins.<br />
Anticoagulant therapy.<br />
ACTH,alcohol,anabolic steroids,cholestyramine<br />
resin,heparin I.V.,indomethacin,mefenamic acid,paraamnosalicylic<br />
acid,methimazole,oxyphenylbutazone,phenylbutazone,<br />
phenytoin,propylthiouracil,quinidine,quinine,thyroid<br />
hormones,vitamine<br />
A,antihistamines,chloralhydrate,corticosteroids,digitalis,di<br />
uretics,glutethimide,grisofulvin,progestin-estrogen<br />
combinations,pyrazinamide,vitamin<br />
K,caffeine,theoephylline,antibiotics,barbiturates,hydroxyzi<br />
ne,sulfonamides,salicylates,mineral oil ad clofibrate.<br />
Iodine preparation including iodized salt,cough syrups,and<br />
some vitamins,thyroid hormones,thyroid hormone<br />
antagonists,salicylates,penicillin,antihistamines,<br />
anticoagulants,corticosteroids,phenylbutazone,and<br />
phenothiazines.<br />
Diuretics therapy,oral contraceptives,antihypertensive<br />
agents,vasodilators,licorice,salt-retaining steroid<br />
therapy,and antidiuretics.<br />
Azothioprine,chloramphenicol,diacetinomycin,methotrexa<br />
te,ACTH,antimalarials.antipyretics,furazolidone,levodopa,a<br />
nd sulfonamide.<br />
Dextran or I.V.contrast media,methyldopa,cephalosporins<br />
and levodopa.<br />
Anacids,and ammonium chloride.<br />
Ethanol .<br />
Ammonium chloride,potassium chloride,sodium
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)<br />
Sodium,serum.<br />
Stool culture.<br />
Testosterone.<br />
Thyroid-stimulating<br />
hormone(TSH),neonatal.<br />
Thyroid-stimulating<br />
immunoglobulin,serum.<br />
Thyroid-binding<br />
globulin(TBG),serum.<br />
Tolbutamide tolerance<br />
test.<br />
Triglyceride,serum.<br />
Triiodothyronine resin<br />
uptake (T3RU).<br />
Triiodothyroxine(T3),seru<br />
m.<br />
Tuberculin skin-test.<br />
Tubular reabsorbed .<br />
Phosphate,plasma and<br />
urine.<br />
Urea clearance.<br />
Uric acid,serum.<br />
Uric acid,serum.<br />
Urine concentration and<br />
bicarbonate,thiazide,and steroids.<br />
Diuretics,lithium,chlorpropamide,vasopressin,conrticoster<br />
oids,methyldopa,hydralazine,and reserpine.<br />
Antibiotics.<br />
Exogenous estrogens or androgens.<br />
Corticosteroids,T3,T4,lithium carbonate,potassium<br />
iodide,topical resorcinol,and TSH injection.<br />
Radio active iodine.<br />
Oral<br />
contraceptives,phenothiazines,androgens,prednisone,<br />
phenytoin,and salicylates.<br />
Salicylates,chloramphenicol,phenylbutazone,monoamine<br />
oxidase inhibitors,and sulfonamides.<br />
Alcohol,antilipemics,cholestyramine,colestiprol,corticoster<br />
oids,oral contraceptives,estrogens,ethyl<br />
alcohol,furosamide,micronazoles,clofibrate,<br />
dextroythyroxine,heparin,sulfonylurease,norethindrones,<br />
androgens,ascorbic acid,gemfibrazil,niacin,and probucol.<br />
Phenylbutazone,phenytoin,aspirin,anabolic<br />
steroids,anticoagulants(heparin),thyroxine,T3,oral<br />
contraceptives.<br />
Steroids,clofibrate,and propranolol.<br />
Corticosteroids,and immunosuppressants.<br />
Amphotericin B,and chlorothiazide.<br />
furosamide, and gentamycin.<br />
Caffeine,epinephrine,antidiuretic<br />
hormone,corticosteroids,amphotericin B,thiazide and<br />
streptomycin.<br />
Loop<br />
diuretics,ethambutol,vincridtine,pyrazinamide,thiazide,sali<br />
cylates.acetaminophen,ascorbic<br />
acid,levodpoa,phenacetin,aspirin,cinchophen,adrenocortic<br />
otrophic hormone(ACTH),and phenothiazines.<br />
Benzthiazide,furosamide,ethacrynic<br />
acid,pyrazinamide,salicylates,phenylbutazone,probencid,<br />
and allopurinol.<br />
Diuretics, and nephrotoxic drugs.
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)<br />
dilution tests.<br />
Uroblinogen,fecal.<br />
Urobilinogen,urine.<br />
Vanillylmandelic<br />
acid,urine.<br />
Vitamin A,serum.<br />
Vitamin D3,serum.<br />
White blood cell (WBC)<br />
count.<br />
Zinc,serum.<br />
Broad spectrum antibiotics,sulfonamides,and salicylates.<br />
Para-aminosalicylic<br />
acid,phenazopyridine,procaine,mandelate,phenothiazines,<br />
sulfonamides,acetazolamide and sodium bicarbonate.<br />
Epeniphrine,norepinephrine,lithium<br />
carbonate,methocarbamol,chlorpromazine,huanethidine,r<br />
eserpine,mono-amine oxidase<br />
inhibitors,clonidine,levodopa,and salicylates.<br />
Mineral oil, and oral contraceptives.<br />
Anticonvulsants,and corticosteroids.<br />
Antineoplastic agents,anti-infective,such as<br />
metronidazole,flucytosine,anticonvulsants,such as<br />
phenytoin derivatives,thyroid hormone antagonists,and<br />
non-steroidal anti-inflammatories,such as indomethacin.<br />
Zinc-chelating agents such as penicillin and<br />
corticosteroids.
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)
<strong><strong>Dr</strong>ug</strong>-<strong>Analyte</strong> <strong>Interference</strong> (<strong>Ass</strong>.<strong>Prof</strong>.<strong>Dr</strong>.<strong>Mohammed</strong> A. <strong>Taher</strong>)