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Why does my head itch when I sweat

by Alivia Nyhan
Published: Last Updated on

Sweating is a response that our body has to increases in temperature to cool us down. For some people, sweating produces an itchy sensation in the head, which turns out to be a very common reaction, especially in people who do a lot of daily exercise. The itch on the head can be from sweat or from various causes. Sometimes we believe that it is caused by irritation from chemicals, usually when the itching occurs occasionally, so it could be said that it is an allergic reaction. There are other occasions when the itch on the head appears as a result of sweating, but we do not really know the cause, that is why this article by FastlyHealwill explain and mention the possible causes that originate the question Why does my head itch when sudo?

Why does my head itch when I sweat?

The most common time for itchy heads to occur is when we sweat. This is because when you sweat, for example, when exercising, a reaction occurs in the capillaries that causes blood flow to increase , which in turn increases the stimulation in the capillaries, in this case the of the hair, producing an itch. It is not something to worry about as the reaction is a result of sweating, so it is easily controlled when you stop sweating and with good hygiene.

Another cause may be cholinergic urticaria , a condition that is caused by a sudden change in body temperature that causes us to start sweating, and can cause intense itching in the head generating hives or irritated areas. To solve it, you should go to a doctor specializing in dermatology, who will be in charge of recommending what is necessary for the condition.

Conditions that increase itchiness in the head

In addition to these factors mentioned above, itching of the head has been associated with other conditions that affect hair health :

  • Mixed hair: this means that the roots are oily but the ends of the hair are dry. Many people have this type of hair, and one of its main characteristics is a greater frequency of the sensation of itchiness. To control this situation, a shampoo for mixed hair is recommended, as long as it is protected by a rinse cream, since generally this type of shampoo causes loss of shine in the hair.
  • Poor hair hygiene : poor hair hygiene means that you do not wash your hair properly, regularly enough or, on the contrary, you do it very frequently. To improve the hygiene of the scalp, it is recommended to wash the hair every two days, with this we ensure that the hair is clean and free of cells or sweat, while protecting it from excessive exposure to possible harmful products present in shampoo.

Itchy head diseases


It is one of the main problems that affect the scalp and occurs when there is an imbalance in the process of eliminating dead cells in the head. Whitish colored particles will be observed in the hair that are the remains of the skin cells, which cause itching in the head when they accumulate in excess, especially when sweating. Almost always for these cases adequate hair hygiene is indicated, in addition to using a special shampoo to eliminate dandruff.


If you feel a lot of itching on your head that is accentuated by the presence of sweat and, in addition, the area of ​​the scalp is red or bumpy, it may be due to the presence of fungi . In these cases, it is always recommended to consult with a dermatologist to indicate the appropriate shampoo for your situation, as well as other possible medications, since fungi are usually difficult to combat. In the following FastlyHealarticle we explain the home remedies for head fungus .

Dermatitis seborreica

The seborrheic dermatitis is a common condition in individuals having very oily skin and hair. It is a condition of the scalp in which whitish or yellowish scales form in greasy areas of the hair, which in turn produces irritation and intense itching at all times, especially when sweating. To counteract this problem, the dermatologist should be assisted, who should indicate the procedure to follow for this condition. In the following FastlyHealarticle we will give you some home remedies for seborrheic dermatitis .

This article is merely informative, at FastlyHeal .com we do not have the power to prescribe medical treatments or make any type of diagnosis. We invite you to see a doctor in the case of presenting any type of condition or discomfort.

If you want to read more articles similar to Why does my head itch when I sweat , we recommend that you enter our Skin, hair and nails category .

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