### How to deal with severe reactions after a mosquito bite Severe swelling and persistent itching after a mosquito bite is a common problem for some people. The degree of this reaction is related to the individual's constitution. Currently, there is no specific test to determine whether this reaction is related to blood problems, but symptoms can be alleviated with prevention and effective topical treatments. #### Precautions 1. Wear protective clothing: During the season of high mosquito activity, especially in summer, try to wear long-sleeved clothing and long pants to reduce skin exposure. 2. **Use mosquito repellent products**: Choose mosquito repellent sprays or mosquito repellent patches that are suitable for children and avoid products that contain high concentrations of DEET. 3. **Keep the environment clean**: Reduce stagnant water in your home to avoid mosquito breeding. #### Handling method 1. **Local treatment**: If there is no erosion after mosquito bites, use Ji Desheng snake tablets to crush them and mix them with water to form a paste, and apply them locally, which can effectively reduce swelling and itching. 2. **Cold compress**: Apply ice or a cold towel to the bite area to reduce swelling and discomfort. 3. **Anti-allergy medications**: Appropriate use of antihistamines, such as chlorpheniramine or loratadine, under the guidance of a doctor, can reduce allergic reactions. #### When to see a doctor Seek medical attention if: - Severe swelling and pain that interferes with daily activities. - Signs of infection at the bite site, such as redness, swelling, suppuration, etc. - Your child has systemic symptoms, such as fever, headache or difficulty breathing. In short, the reaction after mosquito bites is related to the individual's physique, prevention is the priority, and timely treatment can effectively alleviate the symptoms. If you have a serious reaction, you should seek medical attention promptly.