Learn how to identify the signs of dehydration

Dehydration is an invisible affliction that, if left untreated, can have long-term health consequences. Therefore, it is important to be aware of the signs that the body shows to indicate that something is not going well and to prevent more serious damage to health.

Dehydration is the medical term for a deficiency in the body caused by the low water content available to supply necessary functions. This condition basically happens when the water that is ingested is less than the amount of water that is lost, that is, when there is a deficit of hydration.

That the body is completely dependent on adequate water consumption you already know, but knowing if the body is getting the amount of water it needs can be a challenge.

We have gathered the main information on the subject to help you with hydration care.


The math is simple: the more water our body loses, the more water we must drink to replace it. The dehydration process starts when this count doesn’t add up, leading to low levels of concentration of nutrients and minerals in the body.

There are several ways the body “loses” water, such as urinating, stools and sweating. Other aggravating factors for fluid loss are vomiting and diarrhea, which is why it is so important to drink plenty of water when we are sick, to replenish all the fluid the body expels.

Other villains when it comes to dehydration are alcoholic beverages and coffee ingested in large quantities. What makes it common to observe the signs of dehydration when you have a “hangover”, for example.

We also lose water with the most intense sweating when practicing physical exertion and on days of excessive heat. But on colder days we should also pay extra attention to hydration, as it is exactly during these periods that we tend to drink less water.

Signs of mild dehydration

Dehydration starts as a mild condition that can be resolved with small immediate actions, without the need for medical help. It is at this point that we must intervene and prevent dehydration from developing into a serious condition.

It is usually possible to identify the onset of dehydration when there is:

  • Feeling of constant thirst;
  • Urine of a very yellowish color, with a strong odor and acid appearance;
  • Dry, flaky skin;
  • Dry mouth and dry lips;
  • Bad breath;
  • Headache.

Signs of moderate dehydration

When signs of mild dehydration are ignored and water intake is not adequate, moderate hydration can develop. When the condition reaches this level of severity, the ideal is to reinforce the hydration with homemade serum, to enhance the rehydration action together with the ingestion of water several times a day.

Check out the symptoms:

  • Cramp;
  • Drop in blood pressure;
  • Muscle pain;
  • Millet sunk in babies;
  • Dizziness;
  • Fatigue;
  • Severe headache.

Signs of severe dehydration

The most severe stage of dehydration can be called severe dehydration, when the body has lost about 10 to 15% of water. Some cases of severe dehydration can even lead to episodes of delirium, as portrayed in the movies.

The main symptoms of severe dehydration are:

  • Slowed heartbeat;
  • Deep dark circles;
  • Loss of consciousness;
  • Fainting;
  • Presence of symptoms described in other levels of dehydration.

Attention, dehydration is serious!

Upon identifying symptoms of severe dehydration, the patient must be sent to the emergency room urgently to receive fluid replacement in medical care. Urine tests and blood counts can attest to the severity and damage caused by the condition.

It is worth paying special attention to children – the main victims of dehydration – as resistance to water consumption is more common in this age group, which is aggravated by the fact that little ones are not always able to verbalize when something is not going well in their little bodies .

Other audiences that should be aware of signs of dehydration are diabetics and the elderly, who suffer from a predisposition to dehydration. Adequate hydration can help the diabetic’s health by preventing the increase of sodium in the blood.

Tip: Always be aware of how your urine looks. According to doctors, the ideal urine color can be compared to a chamomile tea, in shades of light yellow.

When you identify the signs of mild dehydration, don’t despair. Do your best to increase the recurrence of daily fluid intake (not only water, but also teas and natural fruit juices) and continue to watch for worsening or improvement of symptoms.

And of course, as we always say here, beware!

Drink water constantly and in adequate amounts. When in doubt, follow the guidelines of the Ministry of Health and drink at least 2 liters of water a day. A daily care that prevents complications and ensures less worry in your routine.


Remembering that our social networks are always an open space to clear all doubts and chat about hydration, water quality, innovation and technology, search for IBBL Brasil , we are online in the main networks waiting for you. 💧

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