When I Cough Hard I Get Light Headed?

Cough syncope is a syndrome in which dizziness or syncope occurs after prolonged bouts of cough. See also the syncope page, if symptoms are not particular associated with a cough or hiccup. Cause of cough syncope: Normal or exaggerated response to forceful cough.

Why do I get dizzy when I cough or laugh?

Some people have a sensitive vagus nerve and can get dizzy or even faint when laughing, coughing or straining on the toilet. It is usually not dangerous unless you really pass out when this happens.

Is cough syncope serious?

Cough syncope is usually benign and fatalities occur only in 1–2% of the patients primarily in those with underlying cardiovascular disease. Several mechanisms have been postulated for the explanation of cough syncope in the literature.