Dengue fever is primarily caused by viruses transmitted to humans through the bites of infected Aedes mosquitoes, particularly Aedes aegypti. Yes, it really is these mosquitoes that spread the virus, but understanding their breeding habits can help reduce the risk. They thrive in stagnant water and often breed in surroundings where water gets collected, so taking consistent action to eliminate these breeding sites around your home can be quite effective.
Regarding symptoms, dengue typically shows up as high fever, severe headaches, pain behind the eyes, joint and muscle pain, rash, and mild bleeding (like nose or gum bleeding). It can be tricky as symptoms are similar to other illnesses. If you or anyone develops these signs, especially right after being in mosquito-infested areas, it’s important to consult a healthcare professional promptly. They can provide the appropriate medical treatment and help manage symptoms effectively.
Now, about previous infections, dengue indeed becomes more complicated. There are four distinct viruses that cause dengue, so getting infected with one doesn’t offer immunity against the others. In fact, subsequent infections by different serotypes can be more severe and lead to dengue hemorrhagic fever or dengue shock syndrome, which are medical emergencies requiring immediate attention.
From a preventive perspective, beyond managing mosquito breeding sites, personal protection is also beneficial. Wearing long sleeves, using mosquito repellents containing DEET, and installing screens on windows or doors can help. In the Siddha-Ayurvedic tradition, maintaining balanced doshas through appropriate diet and lifestyle adjustments can boost overall immunity. Efforts to enhance your body’s natural defenses might make you less susceptible to viral infections in general.
Strengthening one’s agni, or digestive fire, by consuming freshly prepared foods and ensuring proper hydration can support the immune system. Herbal formulations like Nilavembu could be beneficial for strengthening immunity, but always discuss ayurvedic options with a trained practitioner, especially if health issues arise. Remember that while Ayurveda can offer supportive care, in acute cases of dengue or its severe forms, immediate medical intervention is crucial.



