High Blood Pressure and Headache
High Blood Pressure and Headache

High Blood Pressure and Headache, Does high blood pressure cause headaches?

This has been a subject of debate and discussion and also the subject of scientific investigation.

In this piece, we will offer evidence to unpeel if there is a connection between high blood pressure and headache? 

In general, it may seem that there is no association between high blood pressure and headache

Importantly, here we are talking about a general increase of blood pressure and not a hypertensive emergency (blood pressure higher than 180mmHg) that is discussed a little later.

Many articles, books, and publications have previously, or continue to report that there is an association between high blood pressure and headaches.

There are documents that very very high blood pressure can cause headaches, but does high blood pressure to a lesser degree cause headaches?

Many of the early studies that looked at this failed to account for a large number of other possible causes of headaches. Get more information about Cardiologist in Kolkata

Recent better-designed studies have looked at this and showed that there is no association between high blood pressure and headache. This is even true for moderate or severely elevated high blood pressure.

The studies appear to be believable and have used robust methods of blood pressure monitoring including wearable blood pressure monitors.

Can Headache Cause High Blood Pressure?

Patients with active headaches may well have high blood pressures. The physical stress of a headache and any associated pain is an obvious cause of high blood pressure. In these cases, the blood pressure is expected to return to baseline levels once the headache has subsided.

Pheochromocytoma – The Rare Tumor That Causes Extremely High Blood Pressure and Headache

Pheochromocytoma is a rare tumor and a rare cause of uncontrolled very high blood pressure.

The classic triad of things associated with a pheochromocytoma is episodic headaches, palpitations, and sweating. Headaches are typically associated with palpitations, sweating, and anxiety.

These symptoms, along with the markedly elevated blood pressure are due to hormones/biochemical substances produced by the tumor. The diagnosis is typically made with blood tests.

High Blood Pressure Crisis and Headache

High blood pressure crisis is known as hypertensive crisis. This is typically defined as blood pressure greater than 180 systolic (highest number) and 120 diastolic (bottom number).

This is typically a severe uncontrolled episode in patients that usually have a history of blood pressure.

Many symptoms can be experienced with the presentation of a hypersensitive crisis and typically patients will present to the hospital.

Headache is one of these symptoms, with others including neurological issues and chest pain.

If there is evidence of damage to organs such as the heart, brain, or kidney, patients will typically require admission to an intensive care unit and IV medications to control blood pressure.

Pre-Eclampsia and Eclampsia – Pregnancy-Related High Blood Pressure Headache

Pre-eclampsia and eclampsia are important, although the uncommon cause of uncontrolled blood pressure episodes in pregnancy.

High blood pressure, abnormal swelling, and protein in the urine characterize pre-eclampsia.

In addition, there are a number of other clinical and laboratory features.

Severe and persistent headache is an important part of the disorder.

For this reason, the diagnosis should be ruled out in all pregnant women with headaches.


High blood pressure at moderate (140s) or even severe (160s) levels are not thought to cause of headache; however, dangerously high levels of blood pressure (> 180s) may well be associated with headache as a symptom. Uncommonly, there may be other conditions that can lead to both high blood pressure and headaches as symptoms.

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As one of the top heart specialists in Kolkata, Dr. S. Mani is known for offering all types of assistance relating to heart disease. This piece is intended to offer more insights to the readers about heart diseases. 

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