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how to know Signs of dengue fever?


Dengue fever is a mosquito-borne viral infection that affects millions of people worldwide, particularly in tropical and subtropical regions. The disease can range from mild to severe and, if not properly managed, can lead to life-threatening complications. Recognizing the warning signs of dengue fever is crucial for early diagnosis and prompt medical intervention. In this blog, we will discuss eight common warning signs and how to know the Signs of dengue fever that can help individuals identify the presence of dengue fever and seek timely medical attention.

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  1. Sudden High Fever:

One of the primary symptoms of dengue fever is a sudden onset of high fever. The fever may spike rapidly and can reach temperatures of 104°F (40°C) or higher. This fever is often accompanied by severe headache, muscle and joint pain, and fatigue. If you experience a sudden high fever without any apparent cause, it is essential to consider the possibility of dengue fever.

  1. Severe Headache:

Dengue fever is often associated with intense headaches, which can be debilitating. The headache is typically located behind the eyes, in the temples, or at the front of the head. If you experience persistent, severe headaches, especially in combination with other symptoms, it is advisable to consult a healthcare professional.

  1. Pain in Muscles and Joints:

Dengue fever can cause severe muscle and joint pain, earning it the nickname “breakbone fever.” The pain is often described as a deep ache in the muscles and joints, similar to the sensation experienced during a severe bout of the flu. If you notice unexplained and intense muscle and joint pain, it could be an indication of dengue fever.

  1. Skin Rash:

A skin rash is another common warning sign of dengue fever. It typically appears two to five days after the onset of fever and may manifest as red spots or patches on the skin. The rash usually starts on the arms, legs, and chest before spreading to other parts of the body. If you develop a rash during a fever episode, it is advisable to seek medical attention.

  1. Nausea and Vomiting:

Dengue fever can cause gastrointestinal symptoms, including nausea and vomiting. These symptoms may accompany the high fever and can contribute to dehydration. If you experience persistent nausea, vomiting, or a combination of both, it is crucial to consult a healthcare professional, especially if accompanied by other dengue-related symptoms.

  1. Bleeding or Easy Bruising:

In severe cases of dengue fever, individuals may experience bleeding or easy bruising. This can manifest as nosebleeds, bleeding gums, or small red or purple spots on the skin, known as petechiae. If you notice any unusual bleeding or experience easy bruising, it is essential to seek immediate medical attention, as these symptoms may indicate a severe form of dengue fever.

  1. Abdominal Pain:

Abdominal pain is a less common but significant warning sign of dengue fever. Some individuals may experience pain in the lower abdomen, often accompanied by persistent vomiting and tenderness in the abdomen. If you develop severe or persistent abdominal pain, it is advisable to consult a healthcare professional for a proper evaluation.

  1. Persistent Fatigue:

Dengue fever can cause prolonged fatigue and weakness, even after the acute phase of the illness has subsided. This lingering fatigue can last for weeks or even months, impacting daily activities and overall well-being. If you experience persistent fatigue following a suspected or confirmed case of dengue fever, it is essential to prioritize rest and consult a healthcare professional if necessary.


Recognizing the warning signs of dengue fever is crucial for early detection and appropriate medical care. If you or someone you know experience sudden high fever, severe headache, muscle and joint pain, skin rash, nausea and vomiting, bleeding or easy bruising, abdominal pain, or persistent fatigue, it is important to seek medical attention promptly. Timely intervention can help manage symptoms, prevent complications, and ensure a faster recovery from dengue fever. Additionally, taking preventive measures, such as eliminating mosquito breeding sites and using mosquito repellents, can help reduce the risk of dengue transmission.

Prashant Prabhat
Prashant Prabhat
I myself, Prashant Kumar Prabhat from New Delhi. Versatile and experienced medical writers and editors specializing in health, health care, education and criminal justice. As a former newspaper reporter, Thrive is under deadline pressure and is drawn to people's stories. Some special about me:- Traced and communicated veteran details and interacted with customers. Necessary research was conducted in a timely and efficient manner, using appropriate resources. With manager's input, scientifically accurate, strategically aligned, grammatically correct and impact content was developed from outline to completion.


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