What is the headache after swimming?

September 1, 2023

Swimming is a healthy fitness exercise, but there may be some discomfort after swimming, such as headache, dizziness, or nausea and vomiting, what is going on?

Insufficient blood supply to the brain

Although more blood is shunted to the limbs during swimming, the speed of blood flow is faster with constant muscle contraction, and the brain is not deprived of blood. After the end of swimming, due to muscle relaxation, capillary expansion, stagnant in the limb muscle blood relatively increased, resulting in a relative shortage of blood supply to the brain. In addition, just after disembarkation, the body from the horizontal state suddenly changed to the upright state, the sudden change in position will also aggravate the lack of blood supply to the brain.

Caused by cold stimulation

When swimming, the water temperature is low, the stimulation of cold water will also make the head capillary constriction, producing a feeling of the head is very tightly hooped. Then, when the swimming skill level is not too high, the nerves are more nervous, the neck muscles continue to contract, and then the head vasodilation, can also lead to headache and dizziness.

Choking caused by

Headache buzzing in the ear, or dry vomiting and nausea, mostly caused by water in the ear or nose choking, this situation is only temporary, as long as the timely cleaning of water in the ear on the line. Fast 1-2 hours will be fine, slow 2 days or so headache symptoms will also disappear.

Low blood sugar caused by

Dizziness and swelling are mostly caused by long swimming time, excessive energy consumption of the body, resulting in lower blood sugar, coupled with physical fatigue and hunger.

Cold and flu caused by

The pool water temperature is too low, if the swimming time is too long, after swimming without a hot shower to change clothes, may lead to a cold, and cause headache and dizziness or even vomiting.

How to prevent headache and dizziness after swimming

1, eat properly before exercise to prevent hypoglycemia. Because swimming is a strenuous exercise, so you can not eat too much, eat a banana or eat a small bun on the line. 2, swimming time should not be too long, according to their physical strength, each continuous swimming 10-20 minutes rest for a while and then continue. Do not spend more than 1 hour in the water. 3, after swimming in time to shower and change clothes to prevent cold and flu. 4, good protection measures to avoid choking or water in the ear.

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