If there is yellow water from the nose, it is necessary to determine whether there are other accompanying symptoms, such as nasal congestion, chills in the extremities, and head discomfort, which may be caused by a cold. In the middle of a cold, this state may occur, with a relatively clear and purulent discharge. The recovery from the cold does not take long, at most about 7 days. If the symptoms are obviously serious, you can use some acetaminophen-based antipyretic drugs. In addition, we cannot rule out the formation of sinusitis due to bacterial infection and other factors, mainly using antibiotic drugs for treatment. If you’re looking for a fungal sinusitis or a ruptured maxillary sinus cyst with yellow water flowing from the unilateral nostril, it is recommended to go to the ENT department of the hospital for examination and, if necessary, CT examination of the paranasal sinuses to confirm the diagnosis and target treatment.