Side Effects and Risks of Antihypertensive Medications for High Blood Pressure
Dec 06, 2022
Source: Cainiu Health
Dr. Tian Hongbo
Introduction
In general, side effects and risks associated with antihypertensive medications include elevated uric acid levels, impaired liver and kidney function, damage to the cardiovascular and cerebrovascular systems, dry cough, and electrolyte imbalances. These medications may also lead to decreased sexual function. It is recommended that medications be taken only under a physician's guidance—do not take them arbitrarily or increase dosages without medical advice. If significant discomfort occurs, seek immediate medical attention to avoid delaying treatment.
Generally, side effects and risks associated with antihypertensive medications include elevated uric acid levels, impaired liver and kidney function, cardiovascular and cerebrovascular damage, dry cough, and electrolyte imbalances. A detailed analysis is as follows:
1. Elevated Uric Acid Levels
When using antihypertensive drugs such as thiazide diuretics, increased uric acid levels may easily occur. These medications can cause dehydration, leading to elevated levels of blood urea nitrogen and creatinine. Long-term use may result in complications such as hyperuricemia and lower limb edema.
2. Impaired Liver and Kidney Function
Long-term use of alpha-blockers and similar antihypertensive drugs increases the metabolic burden on the liver and kidneys, thereby impairing normal detoxification and metabolic functions. This may also lead to complications such as liver or kidney insufficiency.
3. Cardiovascular and Cerebrovascular Damage
Antihypertensive drugs can significantly affect blood vessels, potentially causing premature vascular hardening and interfering with the breakdown and utilization of cholesterol and glucose in the bloodstream. This increases the risk of bradycardia and atrioventricular conduction block. Conditions such as hyperlipidemia and myocardial infarction may develop, which can be very difficult to treat once they occur.
4. Dry Cough
Angiotensin-converting enzyme (ACE) inhibitors, such as enalapril, commonly cause dry cough as a side effect. This occurs because the drug inhibits bradykinin degradation, leading to bradykinin accumulation in the body, which then stimulates the respiratory tract and induces coughing. The persistent dry cough may interfere with daily activities and sleep, reducing quality of life.
5. Electrolyte Imbalance
The use of diuretics for blood pressure control may lead to electrolyte disturbances. Patients may experience symptoms such as muscle weakness and arrhythmias. Severe hypokalemia can impair cardiac function and increase the risk of cardiac arrest. Additionally, diuretics may cause hyponatremia, hypomagnesemia, and other imbalances, causing varying degrees of harm to the body.
Other potential side effects and risks of antihypertensive medications include reduced sexual function. It is recommended that these medications be taken only under a physician's guidance—never arbitrarily or at increased dosages. If significant discomfort occurs, medical attention should be sought immediately to avoid delays in treatment.
