The cold itself is a physical irritant that does not cause respiratory infections, but for some allergic people, it can cause very serious problems. For example, some people have hives after catching a cold, some people suddenly have sneezing symptoms after autumn, and some people are guilty of asthma after catching a cold. These are the cold air in the play. Although it is not yet the third volcano, but the night can already clearly feel the drop in temperature, open the window to sleep will already feel cold, so remind parents and friends, the second half of the night when the temperature drops, must pay attention to the children to increase clothing, to prevent cold, induced allergy status. Once you accidentally catch a cold and have symptoms such as uncomfortable sneezing and runny nose, you can first keep warm and drink more hot water. If the above symptoms persist without relief, go to the doctor in time and use appropriate medication under the guidance of the doctor. Some children, after catching a cold, are also prone to tummy ache, you can apply heat to the abdomen, apply dinggui navel patch, and make sure to keep the feet and abdomen warm when sleeping. Adults also need to pay attention to the cold when they sleep. When people sleep under the effect of cold, their sleeping position will undergo some special changes and they will often feel pain around their body after waking up, so they should also pay attention to the cold and keep warm.