The common causes of redness and swelling inside the child’s nose include acute rhinitis and acute sinusitis, which can be treated with oral antihistamines such as loratadine, glucocorticoids such as budesonide, and antibiotics such as penicillin. 1. Acute rhinitis: acute rhinitis is mostly caused by bacterial infection, there can be redness, swelling, heat and pain and other local inflammatory reactions, can be under the guidance of the doctor to be amoxicillin, cefuroxime and other drugs anti-infection treatment. You can also be given sea saline nasal spray and other symptomatic supportive treatment. 2. Acute sinusitis: acute sinusitis caused by redness and swelling inside the nose, the principle of treatment with acute rhinitis, you can take some antibiotic drugs, can control the infection, commonly used drugs, including cephalosporin, penicillin, etc.; local can also use some of the drugs such as ephedrine nasal drops to alleviate the edema of the nasal mucosa. It should be noted that the child often digging the nostrils with their hands, can also lead to swelling inside the nose, should actively change the bad habits, keep the nasal cavity clean and hygienic, you can improve the phenomenon of swelling inside the nose. The child’s nose may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or standardized treatment.