Yes, although it is unlikely, it is possible to burst a blood vessel in your head from shouting. This can occur due to a condition called Boerhaave’s syndrome, which is caused by sudden and intense bouts of coughing, vomiting or shouting. When this occurs, air is forced into the thin walls of the esophagus, which surrounds the vessels. This can cause them to become overstretched and eventually burst.
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