A member asked:

Woke up yesterday with very bloodshot eyes--what causes this?

A doctor has provided 1 answer

Am bloodshot eyes: When both are similarly " bloodshot" what transpired the night before is telling. Drinking without retching likely dry eye from diuretic effect. Violent retching " dry heaves" can also cause the bloodshot look. If a recurrent problem, look to blood pressure issues, allergy or night- time exposure of eye with sleep. Treatment are preventive best.

Answered 12/24/2019

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