3 main reasons. : 1.Head trauma: a blow to the front off back of the head causes the brain to bounce in skull.Smell nerve fibers can be ripped by this sudden action 2.Nerve damage: a seemingly minor cold sometimes causes enough inflammation that nerve is damaged.Some drugs can also cause this 3. Obstruction: something can physically block smell particles from reaching the smell area. Polyps or rare tumors.
Answered 9/28/2016
5.5k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question