<s>[INST] How long does a runny nose last? [/INST] As above, there is no specific time as we all deal with a cold differently. However, it's thought that you might feel more nasal on days 3 and 4 as your body works the virus out of your system. Source: Holland & Barrett. Link: https://www.hollandandbarrett.com/the-health-hub/conditions/cold-flu/colds-and-flu-what-you-need-to-know/. Field: General Medicine. Disease: Cold </s>