Is it dengue or flu? Learn how to differentiate the symptoms of diseases

Symptoms such as headache, malaise, fever and weakness are common signs present in several illnesses, including dengue fever and the flu. Therefore, if you suspect any of these diseases, it is important to increase hydration and avoid self-medication. Only a doctor can make the correct diagnosis.

“It is also possible to carry out tests to identify the exact illness and provide appropriate treatment. The correct diagnosis can only be made by a doctor. Seek assistance at the nearest health unit”, warns the Ministry of Health.

How are they transmitted?

Dengue is caused by the bite of the female Aedes aegypti mosquito. “It is a domestic insect, which lives in or around homes or other places frequented by people, such as commercial establishments, schools or churches, for example”, states the Ministry of Health.

Normally, the first manifestation of dengue fever is a high fever, with an abrupt onset, which generally lasts from two to seven days, accompanied by headache, body and joint pain, as well as prostration, weakness, pain behind the eyes and spots. red on the skin. It is important to pay attention to signs that indicate a serious illness, which may appear after the fever subsides, between the 3rd and 7th day of the onset of the illness.

Influenza is a respiratory infection caused by the Influenza virus, most commonly transmitted from person to person during the winter period, although it can be present in other seasons.

“Symptoms usually appear suddenly, such as fever, sore throat, cough, body aches and headache. It usually resolves spontaneously in approximately seven days, although coughing, malaise and fatigue may persist for a few weeks.”

Dengue symptoms:

  • High fever;
  • Pain in the body and joints;
  • Pain behind the eyes;
  • Malaise;
  • Headache;
  • Red spots on the body.

Dengue warning signs are mainly characterized by:

  • Intense and continuous abdominal pain;
  • Persistent vomiting;
  • Accumulation of liquids;
  • Mucosal bleeding;
  • Irritability.

Flu symptoms:

  • Fever;
  • Runny nose;
  • Sore throat;
  • Cough;
  • Body ache;
  • Headache;
  • Joint pain;
  • Diarrhea;
  • Vomiting;
  • Fatigue;
  • Prostration;
  • Hoarseness;
  • Red, watery eyes.

Source: CNN Brasil

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