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3. Vision Problems

Large doses of niacin may affect the eyes in several ways, including blurred vision, eyelash or eyebrow loss, swollen eyelids or reduced vision in one eye. A condition called cystoid macular edema (CME) may occur as well. CME is fluid build-up and swelling in the retina that can lead to cystic spaces within the eye.

Most vision problems related to niacin are reversible with early intervention.

man removing glasses to see his phone because of blurry vision

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Disclaimer

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.