2- Endocrinal:
a. Adrenal cortex:- Cushing's syndrome
- Conn's syndrome
b- Adrenal medulla and splanchnic sympathetic chain:- Pheochromocytoma
c- Others:- Acromegaly
- Hyperparathyroidism
3- Iatrogenic:- Oral contraceptives
- Sympathomimetic amines
(nasal decongestants and bronchodilators) - Corticosteroids
- Cyclosporine
- Nonsteroidal anti-inflammatory drugs (NSAIDs)
- Tricyclic antidepressants
- Liquorice
- Pregnancy-associated hypertension
- Acute intermittent porphyria
Secondary Hypertension
A- Renal Hypertension:
Renal hypertension is the commonest type of secondary
hypertension. This may be due to diseases of the renal artery as renal artery