Yawning is under: Serotonergic control and can be triggered by antidepressants or any other drugs that effect serotonin. Other causes are listed on the following website including 18 causes and 5 med causes. www.rightdiagnosis.com/symptoms/yawning/common.htm common causes of yawning symptom best wishes.
Answered 10/9/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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