[Factors interfering with the dexamethasone suppression test].
The interpretation of the dexamethasone suppression test in endocrinology and psychiatry depends on several variables. False-positive results can be caused by stress, weight loss, alcohol withdrawal, treatment with diphenylhydantoin, phenobarbital, rifampicin, carbamazepine and lithium. Therapy with spironolactone, naloxone, alpha 1-mimetic agents and estrogen can be responsible for an increase in plasma-cortisol concentration. False-negative results are seen in patients with liver disease and can also result from therapy with benzodiazepines at high dosages, indomethacin and possibly methadone and ketoconazole.
D000437:Alcoholism; D001835:Body Weight; D003480:Cushing Syndrome / Q000175:diagnosis*; D003907:Dexamethasone; D004347:Drug Interactions; D005188:False Negative Reactions; D005189:False Positive Reactions; D006801:Humans; D008107:Liver Diseases / Q000378:metabolism; D012892:Sleep Deprivation; D013312:Stress, Physiological / Q000378:metabolism; D013375:Substance Withdrawal Syndrome / Q000378:metabolism
D003907:Dexamethasone
Störfaktoren beim Dexamethason-Hemmtest.