hot weather

Be careful in the Summer


Blood vessels dilate and water loss…If blood pressure is lowered and
there are no symptoms even at low blood pressure levels, treatment X
Identify the cause and treat…Lifestyle improvement is important.
It was found that hypotension is more common in summer when the weather is hot. As the heat wave continues, it is necessary to pay special attention to low blood pressure.

Low blood pressure, focus on symptoms rather than numbers

Hypotension is defined as a systolic blood pressure of less than 90 mmHg or a diastolic blood pressure of less than 60 mmHg, although there are no clear criteria. However, symptoms are important because the optimal blood pressure level varies depending on the individual’s condition.

Even if the measured blood pressure is judged to be low blood pressure, if there are no symptoms, no treatment is required.3

A sudden drop in blood pressure can lead to fainting. Headache, fatigue, lethargy, decreased concentration, tinnitus, indigestion, nausea, loss of appetite, and visual disturbances may also appear.

When the weather is hot, blood vessels dilate, resulting in low blood pressure


Low blood pressure is easy to occur in summer. According to a recent analysis by the National Health Insurance Corporation of the number of people who visited the hospital for low blood pressure from 2015 to 2019, the highest number of patients was in July and August, the summer months. Looking at 2019, the number of hypotensive patients in August was 5756, more than double the number in February (2013).

The reason why low blood pressure occurs a lot in summer is that our body has to maintain body temperature. This is because it dilates blood vessels and excretes a lot of sweat. At this time, water decreases and blood flow weakens, which lowers blood pressure.

Low blood pressure must be accurately identified and treated.

There are various causes, including heart disease, endocrine disease, drugs, and dehydration. Hypotension can be alleviated through medication control if it is caused by medication.

Lifestyle improvement is the most important

If there is no specific cause, low blood pressure can be prevented only by lifestyle changes.

Drinking water

Especially in summer, it is important to drink water frequently to replenish moisture. It is best to avoid alcohol and coffee as they drain moisture quickly. A regular and healthy diet also helps blood production and circulation. Avoid places such as saunas and jjimjilbangs that dilate blood vessels.

“If low blood pressure causes dizziness, fainting, etc., a diagnosis by a specialist is necessary.” “Like high blood pressure, lifestyle improvement is the most important for low blood pressure.”

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