How Long After Concussion Should Dog Stop Throwing Up?

How Long After Concussion Should Dog Stop Throwing Up? How Long Does Nausea Last After a Concussion? Concussion recovery time is 1-2 weeks for many patients. Likewise, nausea that immediately follows a concussion (known as acute concussion) can last up to two weeks. Longer-lasting nausea should be a cause for concern. Can concussions cause vomiting