5-10 days on average
Could be few days sooner or few days longer. Depends on how bad the cold was, the anatomy of your nasal passages.
Things to try to make it clear up faster: steam, neti pot (salt water flushes for the nose), decongestants, sometimes trying things like Flonase
can also help.
...Do you have a follow-up question? Consult Dr. Duchicela, a Family Physician with 8 years in practice: