Question: what can cause high blood pressure in a child?
Answer: Chronic kidney disease.
Polycystic kidney disease.
Heart problems, such as severe narrowing (coarctation) of the aorta.
Adrenal disorders.
Hyperthyroidism.
Pheochromocytoma, a rare tumor in the adrenal gland.
Narrowing of the artery to the kidney (renal artery stenosis)