What is the fastest way to treat a runny nose?

There is no fastest treatment for yellow runny nose. Yellow runny nose may be caused by upper respiratory tract infection, allergic rhinitis secondary to bacterial infection, sinusitis with nasal polyps and other diseases, and should be treated according to different diseases.
1. Upper respiratory tract infection: respiratory tract infection causes yellow nasal discharge. Antibacterial, anti-inflammatory and other antibacterial drugs can be used. You can take amoxicillin, cefaclor and other drugs under the guidance of the doctor for treatment.
2. Allergic rhinitis secondary to bacterial infection: allergic rhinitis is often clear watery runny nose, can cause bilateral turbinate persistent edema, congestion, hypertrophy, when secondary to bacterial infection there are symptoms of bilateral nasal discharge of yellow nasal mucus. It can be treated with drugs such as levocetirizine hydrochloride tablets and cefixime dispersible tablets under the supervision of a doctor. Allergy to levocetirizine tablets or allergy to piperazine derivatives is prohibited.
3. Sinusitis with nasal polyps: usually due to a variety of stimuli leading to sinus inflammatory diseases, triggering the inflammatory hyperplasia of the sinus mucosa accompanied by the growth of polyps, the common symptoms of increased nasal secretion and pain, etc., the bacterial infection is obvious when there is a flow of yellow snot, you can use surgical removal of the lesion mucosa, in order to achieve a cure, postoperative glucocorticosteroid nasal spray to prevent the recurrence of polyps.
It is recommended that patients go to the hospital for a comprehensive systematic examination, under the guidance of the doctor to clarify the cause of the disease after targeted medication and standardized treatment.