Onion is just a food, food does not have the efficacy of drugs, while there is no scientific evidence that onions can treat high blood pressure.
Onion has a high nutritional value, rich in vitamin C, potassium, folic acid, selenium, zinc, fiber, prostaglandin A, quercetin and other nutrients, can provide the body with a large number of nutrients, to provide the required energy, to provide a number of regulatory substances.
The presence of hypertension should also be preceded by life interventions, maintaining good living habits, low-salt and low-fat diets, and increasing exercise in moderation.
If the blood pressure control is not satisfactory, drug treatment is also needed, generally need to take diuretics, such as hydrochlorothiazide, etc.; calcium antagonists, such as nifedipine, etc.; β-receptor antagonists, such as propranolol, etc.; also can take angiotensin-converting enzyme inhibitors, such as captopril, etc.; angiotensin receptor antagonists, such as valsartan, etc..
If there is an increase in blood pressure, it is recommended to seek medical advice and follow the doctor’s instructions to develop a treatment plan.