7 common diseases in hot seasons: what are the precautions?

Summer is usually the holiday season. Thus, it is synonymous with fun, family moments, rest, leisure and very hot days.

But it also brings with it some bad things, like the increase in the rate of certain diseases . Check out what they are and how you can prevent yourself (and not ruin your summer):


What are the 7 most common diseases in hot seasons?

With the change in temperature and the different habits that summer brings to everyday life, such as trips and trips to clubs and swimming pools, some diseases end up being more common at this time of year.

We separated 7 of the most recurring ones. Understand better about each of them, including symptoms, prevention and the usual treatment:


It is not difficult to understand why heat stroke is one of the diseases that most affect the population in the summer. This condition is characterized by changes in the functioning of the body temperature control mechanism.

This is due to exposure to the sun for long periods, especially when there is not adequate protection and not enough hydration . That is, the person is exposed to a dry and hot environment, without replacing fluids in his body (leading to dehydration as well).

The most common symptoms are: malaise, tiredness , weakness, nausea, mental confusion, fever , dizziness , vomiting and burns (or severe redness) on the skin.

To treat this disorder, the doctor may prescribe anti-inflammatory drugs, a lot of fluid intake, use of after-sun products and rest.

The prevention is to avoid exposure to the sun at its peak hours (10h 16h) make correct use of protective and drink plenty of water (at least 2L) daily. If possible, also protect yourself with the help of accessories such as hats and caps.


The dengue is a very serious illness and their cases are significantly higher at higher temperatures. It is caused by the bite of its transmitting mosquito, Aedes aegypti.

Its symptoms mainly include pain, high fever and red spots spread throughout the body. Being able to evolve from this initial condition to a more serious stage, it is what is called “hemorrhagic dengue”.

Dengue is a serious disease, caused by Aedes aegypti. Its symptoms include discomforts such as fever, headaches and nausea.

At this stage, the pathology becomes more aggressive to the organism and can lead to death.

Considering that the mosquito reproduction favors hot and humid places, due to the increase in temperature and rainfall, summer is a favorable time for proliferation.

Therefore, prevention consists of eliminating outbreaks of Aedes aegypti. That is, do not leave standing water in yards, plant pots, PET bottles, tires or gutters.

And of course, whenever possible, use repellent to protect yourself from mosquito bites.


The Otitis is a disease that is an inflammation or infection of the ear. It can be caused by factors such as injuries, bacteria and colds.

But another thing that favors the development of this problem is the accumulation of water inside the ear canal . This is quite common after activities such as diving, swimming and even showering or bathing.

Symptoms include earache , fever, hearing problems, dizziness and even nausea.

Of course, in the summer it is common for people to do more activities that involve water in order to cool off. However, it is worth taking care to avoid getting wet inside the ear .

When diving, do not go on too long, in order to preserve your hearing health and collaborate so that water does not accumulate in the region.


As mentioned in the previous topic, drinking plenty of water is essential to keep the body functioning properly. However, in the summer this is even more essential, considering that we are constantly exposed to a dry and hot environment.

Thus, it favors the loss of water faster, which can lead to dehydration.

People may experience symptoms such as the following:

  • Thirst (it is usually the first sign and, when it occurs, it is necessary to have the habit of drinking water and not other drinks such as juices or soft drinks);
  • Malaise, extreme tiredness and weakness;
  • Dryness of mucous membranes and skin;
  • Long periods without urinating;
  • Pallor;
  • Fickle humor and greater irritability.

It is worth mentioning that dehydration can also be caused by issues such as diarrhea or vomiting, related (or not) to conditions such as food poisoning.

Therefore, its treatment and prevention consists of drinking at least 2L of water daily and being cautious about food, always prioritizing fresh and healthy ingredients.

In addition, avoiding too much exposure to the sun and staying cool is essential.


Any disease caused by fungi can be classified as ringworm. These microorganisms proliferate easily in hot and humid environments, so that they commonly appear in areas such as the scalp, nails, intimate area and some areas of the skin.

In general, symptoms include severe itching and redness in the region affected by ringworm.

And the treatment is done, in general, based on the use of antifungals (oral and topical) and care for habits, always cleaning the area correctly and keeping it free from humidity.

Therefore, to prevent this irritation, it is necessary to be careful and careful not to provide an environment conducive to fungi. That is, avoid habits such as getting wet clothes or bikinis / swimsuits / swimwear.

In addition to making sure to keep areas such as the groin, armpits, scalp, thighs and fingers always dry and clean. It is also recommended not to share personal objects and to increase attention in common areas (such as swimming pools), avoiding walking barefoot, for example.

This is because, in these regions, the occurrence of fungi is common. Contamination being easy.


In summer, conjunctivitis is also more common . This disease is caused by allergies, infections, irritations, sensitivity to certain substances, etc.

Therefore, as the eye region is very fragile, it is not very difficult for inflammation and / or infection of the conjunctiva (thin membrane that covers the inner part of the eyeball) to occur. Thus, characterizing conjunctivitis.

The symptoms include redness, burning, swelling and secretion in the eyes and may involve only one or both simultaneously. To treat, it is usually prescribed the use of eye drops for this condition and the proper hygiene of the area.

At the hottest time of the year, bacterial conjunctivitis is the most common. Its transmission occurs, in general, through sea water or pools, passing from one person to another.

What happens, mainly, from activities such as diving with eyes open and without goggles. Still, scratching your eyes after contact with someone or some area of ​​contamination, can also lead to the manifestation of the disease.

Finally, it can be transmitted from contaminated objects, such as towels. This reinforces the need to always avoid sharing personal utensils.

Thus, the prevention of conjunctivitis consists only in avoiding such habits.

Food poisoning

Food poisoning is a problem that has neither season nor place, but which is still more frequent during the summer. This is mainly due to the poor preservation of some foods.

This is because the high temperatures favor the faster proliferation of bacteria, fungi and toxins released by these microorganisms. So, if an ingredient is not properly packaged and stored in a proper place, it may be unfit for consumption.

For this reason, it is necessary to pay extra attention to the appearance and odor of food, as well as to make sure its origin when eating out.

If you go to the beach, for example, avoid eating food prepared there on the sand. Although it is very practical, some foods need better care and more adequate conditions for their preparation and conservation.

With care like this, you prevent yourself from suffering from food poisoning and its quite unpleasant symptoms : nausea, vomiting, diarrhea, malaise, dehydration and fever.

What precautions are taken to avoid illness during hot seasons?

We saw that there are several diseases that can manifest themselves more easily in the summer. However, some general care can help in the prevention of these conditions, allowing you to enjoy this time of year a lot and without weakening your health. Check out what they are:

  • Stay hydrated (drink at least 2L of water a day);
  • Protect yourself from the sun (avoiding peak hours, passing protectors and wearing a hat / cap);
  • Properly sanitize food;
  • Pay attention to where the ingredients come from and how they are prepared;
  • Eliminate outbreaks of standing water and use repellent;
  • Wash your hands with soap and water frequently;
  • Avoid getting wet clothes;
  • Wash yourself well after going to the beach, pool or similar;
  • Store food properly (preferably in the refrigerator);
  • Prefer healthy and light options, instead of heavy foods (such as fried foods).
Basic care such as hand and food hygiene are very important for the elimination of harmful microorganisms, helping to prevent common diseases in hot seasons.

With these habits, your summer becomes lighter, healthier and more fun. Remember to take extra precautions when it comes to children, the elderly, pregnant women or more sensitive people, in order to avoid further complications due to your more fragile body.

Summer may be the best time of the year for many, but without the right care, it can turn the other way around. So remember to keep your leisure and fun side by side with healthcare.