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Risk factors
By Mayo Clinic staffRisk factors for subconjunctival hemorrhage include:
- Diabetes or high blood pressure (hypertension)
- Illnesses that causes severe coughing or sneezing
- Certain blood-thinning medications, such as warfarin (Coumadin) and aspirin
- Herbal supplements, such as ginkgo, that increase the potential for bleeding in the eye
Subconjunctival hemorrhage can also occur among newborns, who may be subjected to pressure changes during delivery.
References
- Subconjunctival hemorrhage. American Academy of Ophthalmology. http://www.aao.org/eyesmart/diseases/subconjunctival-hemorrhage.cfm. Accessed Nov. 21, 2010.
- Other conjunctival disorders. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/sec09/ch101/ch101d.html. Accessed Nov. 21, 2010.
- Ahmed RM, et al. Diagnosis and management of the acute red eye. American Journal of Medicine. 2008;26:35.
- Robertson DM (expert opinion). Mayo Clinic, Rochester, Minn. Nov. 27, 2010.
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