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High Blood Pressure Symptoms - Recognizing Hypertension

High blood pressure (hypertension) often causes no symptoms. Common signs can include headaches, dizziness, and visual disturbances. Early detection is key.

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Things worth knowing about "High blood pressure symptoms"

High blood pressure (hypertension) often causes no symptoms. Common signs can include headaches, dizziness, and visual disturbances. Early detection is key.

What is High Blood Pressure?

High blood pressure, medically known as hypertension, is defined as a persistent blood pressure reading above 140/90 mmHg. It is one of the most common chronic conditions worldwide and a major risk factor for heart attack, stroke, and kidney damage. One of the greatest dangers of hypertension is that it often causes no noticeable symptoms for years, earning it the nickname the silent killer.

Symptoms of High Blood Pressure

In many cases, hypertension remains asymptomatic for a long time. When symptoms do occur, they tend to be non-specific and can easily be confused with other conditions. Possible symptoms include:

Headaches, especially at the back of the head, often in the morning after waking
Dizziness and a feeling of lightheadedness
Visual disturbances or flickering vision
Nosebleeds without a clear cause
Facial flushing
Ringing in the ears (tinnitus)
Shortness of breath, especially during physical exertion
Heart palpitations or irregular heartbeat
Fatigue and general malaise

When to See a Doctor

Because high blood pressure often sends no clear warning signals, medical professionals recommend regular blood pressure monitoring, especially from age 40 onwards or if there is a family history of hypertension. The following situations require immediate medical attention:

Blood pressure above 180/120 mmHg (hypertensive emergency)
Sudden severe headache combined with visual disturbances or changes in consciousness
Chest pain or difficulty breathing
Signs of paralysis or speech difficulties (possible signs of a stroke)

Possible Causes of High Blood Pressure

Two main forms of hypertension are distinguished:

Primary (essential) hypertension: In approximately 90% of cases, no single clear cause can be identified. Risk factors include genetic predisposition, obesity, physical inactivity, high salt intake, smoking, alcohol consumption, and chronic stress.
Secondary hypertension: This form has a specific underlying cause, such as kidney disease, hormonal disorders (e.g., hyperthyroidism or adrenal gland conditions), or certain medications.

Diagnosis

The diagnosis of persistently elevated blood pressure is made through repeated measurements at different times. Additional tests often include 24-hour ambulatory blood pressure monitoring, blood and urine tests, and an ECG to identify possible organ damage or underlying causes.

Treatment

Treatment of high blood pressure involves both lifestyle changes and, if necessary, medication:

Lifestyle Changes

Weight loss in cases of overweight or obesity
Low-salt diet (less than 5 g of salt per day, as recommended by the WHO)
Regular physical activity (at least 150 minutes of moderate exercise per week)
Reduction of alcohol consumption
Smoking cessation
Stress management and relaxation techniques

Medication

When lifestyle changes alone are insufficient, antihypertensive medications are prescribed. These include ACE inhibitors, calcium channel blockers, beta-blockers, and diuretics. The choice of medication depends on the individual risk profile of the patient.

References

World Health Organization (WHO) - Hypertension. Available at: https://www.who.int/news-room/fact-sheets/detail/hypertension
Williams B. et al. - 2018 ESC/ESH Guidelines for the management of arterial hypertension. European Heart Journal, 39(33), 3021-3104.
Whelton P.K. et al. - 2017 ACC/AHA High Blood Pressure Clinical Practice Guideline. Journal of the American College of Cardiology, 71(19), e127-e248.

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