Does Having High Blood Pressure Cause Nosebleeds?

You may experience nosebleeds more often if you have elevated blood pressure. Fortunately, you can take measures to lower your blood pressure, and there are straightforward at-home approaches to handle nosebleeds when they occur.

High blood pressure is frequently dubbed the silent killer because it often produces no obvious symptoms. Still, studies indicate that chronic high blood pressure, or hypertension, increases the likelihood of nosebleeds.

This piece explains why elevated blood pressure can result in more frequent and sometimes worse nosebleeds, and summarizes what medical experts recommend for lowering blood pressure and preventing nosebleeds before they happen.

If you’re at greater risk, there are practical steps you can use to prepare for and treat nosebleeds if they do arise.

Does high blood pressure cause nosebleeds?

The relationship between high blood pressure and nosebleeds (epistaxis) has been debated for many years.

Although some studies  are inconclusive and do not prove a direct cause-and-effect link, numerous investigations over time have found that hypertension is a risk factor  for nosebleeds and is more closely associated with the condition.

A nationwide cohort study  from 2020 compared people with and without hypertension and found those with high blood pressure were 1.47 times more likely to have nosebleeds than those without hypertension.

Researchers analyzed data from the Korean National Health Insurance Service to assess the risk and severity of nosebleeds among people with hypertension versus those without, matching groups for comparison.

The findings showed that people with elevated blood pressure were more likely to require hospitalization for nosebleeds compared with individuals who did not have hypertension.

Although the investigators considered that nosebleeds could raise blood pressure, the study did not establish a definitive causal direction.

The authors recommended that clinicians include guidance about nosebleeds when treating people with hypertension and consider elevated blood pressure as part of clinical decision-making for managing nosebleeds.

What is high blood pressure?

Hypertension is defined as a blood pressure reading above 130/80 millimeters of mercury (mm Hg). Readings over 140/90 mm Hg may be classified as stage 2 hypertension.

Learn more about hypertension.

Researchers suggest that nasal blood vessels might be more prone to damage and thus more likely to bleed over time. A 2019 study  observed changes in nasal vessels among people with hypertension who experienced nosebleeds.

The 2020 studies noted that for those with hypertension, nosebleeds may be more intense and harder to control than in people without high blood pressure, prompting more frequent hospital visits for treatment.

A key limitation of that research was it did not account for how people with hypertension managed their condition—or whether they were adherent to medications or recommended care plans for blood pressure control.

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Other hypertension symptoms

Besides an increased chance of nosebleeds, people with high blood pressure may also report symptoms such as:

• headaches
• intense anxiety
• dizziness
• shortness of breath
• chest discomfort
• confusion
• nausea
• vomiting

Medical emergencyIf your blood pressure is above 180/120 mm Hg and you have other signs of a hypertensive crisis—like a severe headache or trouble breathing—call 911 immediately.

Can another condition cause frequent nosebleeds?

Although high blood pressure is common, nosebleeds can happen for unrelated reasons. These include :

• exposure to dry air
• nose picking
• trauma to the nose or nasal vessels
• alcohol consumption
• nasal sprays
• nonsteroidal anti-inflammatory drugs (NSAIDs) , such as ibuprofen, naproxen, or aspirin
• other medical disorders, such as cancer or hemophilia
• use of blood-thinning medications

Nosebleeds occurring alongside high blood pressure can also result from use of illicit substances like cocaine.

When to seek medical care

Most nosebleeds are not indicators of a serious problem.

However, obtain medical help if:

• bleeding continues for more than 20 minutes
• the bleeding is very heavy
• the nosebleed followed a head injury
• your blood pressure exceeds 180/120 mm Hg (a medical emergency)

Step-by-step guidance on treating nosebleeds and what to do if they happen frequently is available here.

The takeaway

Debate remains about whether high blood pressure directly increases the risk of nosebleeds. People with hypertension may experience nosebleeds more often or with greater severity, but additional research is needed to clarify the relationship.

Because high blood pressure often produces no obvious symptoms, it’s called the silent killer. Your healthcare provider can recommend the best ways to manage hypertension and explain how it can influence your overall health.