The fastest way to distinguish rash fever from dengue fever

(Baonghean.vn) - Both rash fever and dengue fever have initial symptoms of high fever of 39-40 degrees Celsius and red spots under the skin. So how to correctly identify the disease to have effective treatment? Below are the differences in the causative agents and symptoms of these two diseases.

Pathogens

Rash fever:There are many different diseases and pathogens, but in general there are fever and rash. The main rash fevers in our country are measles caused by the measles virus, rubella caused by the rubella virus and diseases caused by Rickettssia. In Vietnam, the most common is scrub typhus. The transmission method of measles and rubella is through the respiratory tract, while scrub typhus is transmitted by red mites. Children can have rash fever many times in their lives.

Dengue fever (DF):The causative agent is the Dengue virus, the disease is transmitted from sick people to healthy people who have not yet been immunized against the Dengue virus by mosquitoes. There are two species of mosquitoes that transmit Dengue fever: the Aedes mosquito and the Asian tiger mosquito. In each person's life, they can get Dengue fever 4 times because there are 4 strains of the virus that cause the disease.

Monitor body temperature and unusual signs when your child has a fever.

Signs to identify the disease correctly

Rash fever:Most start with a high fever (39-40 degrees Celsius). Then cough, sore throat, runny or stuffy nose, fatigue; lymph nodes in the head, face, neck are often swollen, painful, can be seen or felt. Most of the time from the 4th day onwards, the patient will have no fever, can eat, the skin may have a rash that lasts 3-5 days and then disappears.

Dengue fever:Usually starts 3-6 days after being infected with the virus by a mosquito. Initial symptoms include high fever of 39-40 degrees Celsius; headache in the temple area; muscle and joint fatigue; vomiting; in children, it may be accompanied by abdominal pain and sore throat. Then, petechiae appear under the skin. Signs suggesting the disease has become severe include abdominal pain and vomiting, shock, cold hands and feet, nosebleeds, bleeding gums, bruises at the injection site, black stools due to internal bleeding...

Petechiae in dengue fever.

How to recognize rash fever and dengue fever fastest

To differentiate, use the thumb and index finger on the same side to stretch the skin around the rash. If the red dot disappears, release your hand and the red dot will recover immediately, it is a rash fever. If you still see tiny dots, or if the red color reappears after 2 seconds, it is dengue fever.

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