Table 1.

Causes of Resistant Hypertension

Non-compliance   Half of patients will admit it [8]   Better with drugs that have less adverse effects [9, 10] Consumption of substances that aggravate hypertension   Salt, licorice, NSAID’s, oral contraceptives, decongestants   Sulindac is the only NSAID that doesn’t raise blood pressure [11] Secondary hypertension   Most neglected causes are primary hyperaldosteronism due to adrenocortical hyperplasia, and variants of the renal tubular sodium channel