What should I do if my child has a swollen throat and a constant fever? In this case the most common thing is respiratory infection or tonsillitis. First of all, for the swelling of the throat or sore throat, we can take a spray of Open Throat Sword Spray, which can relieve the swelling and pain of the child’s throat. In addition, you can drink more warm water to moisturize the throat, so that the child’s throat is swollen is a certain role in the treatment. What should I do if I have a fever? When the temperature is greater than 38.5 degrees Celsius, you can take medication to reduce the fever, such as oral ibuprofen or acetaminophen. When the temperature is less than 38.5 ℃, this time do not need to take antipyretic drugs, can be carried out physical cooling, such as drinking more warm water, warm water bath, or paste antipyretic patches, these are better ways.