Natural Health Research

Naturopathic Medicine
Health Quizzes
Labetalol, Normodyne, Trandate


Labetalol is an alpha-1 and beta adrenergic blocker used to treat high blood pressure.


alpha-1 and beta-blocker


Labetalol has a particular indication in the treatment of pregnancy-induced hypertension.

Side Effects

alopecia, AV block, depression, dizziness, dyspnea, ejaculation dysfunction, exfoliative dermatitis, fatigue, headache, heart failure, hepatic necrosis, hypotension, impotence, jaundice, libido decrease, nausea/vomiting, orthostatic hypotension, paresthesias, priapism, pruritus, sinus bradycardia, skin hyperpigmentation, syncope, urinary retention, wheezing, xerosis,

Drug-Vitamin-Herb Interactions

Negative interactions:

Calcium may form unabsorbable complex with atenolol. Take at a different time of day.

Coleus forskohlii
Coleus forskohlii relaxes blood vessels. Combining Coleus with beta-blockers may have unpredicatable effects on blood pressure.

Positive interactions:

Beta-blockers reduce HDL. Chromium can offset the adverse effect.

Coenzyme Q10
Beta-blockers (especially propanolol) inhibit the actions of enzymes that contain CoQ10.




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