How Long do the Symptoms of a Concussion Last?   Symptoms from a
concussion can vary greatly depending on how serious the
concussion is. A mild or light concussion can last for a few
weeks while a severe concussion may have symptoms that last for
a couple months. 1 Additional Answer The symptoms of a
concussion can last up to several weeks, depending on how bad it
is. If a person was hurt more than 2 weeks ago, and is still
showing signs of a concussion, they should be seen by a doctor
as soon as possible. Q&A Related to "How Long do the Symptoms of
a Concussion Last?" A concussion can be caused by trauma to the
head or face. Symptoms include headache, dizziness, nausea,
dazed or confused feelings, irritability and/or visual symptoms.
If a concussion Symptoms can last for days, weeks or longer
depending on the 1. Ask the person you suspect of having
suffered a concussion if they are experiencing ringing in their
ears or dizziness. These are the first telltale signs of a mild
concussion, Explore this Topic The