Natural treatments for conjunctivitis

DEFINITION: Treatment of inflammation of the conjunctiva, the clear membrane that covers the eyeball.

PRINCIPAL PROPOSED NATURAL TREATMENTS: None

OTHER PROPOSED NATURAL TREATMENTS: Barberry, bee propolis, calendula, chamomile, eyebright, goldenseal, Oregon grape, vitamin A, warm compresses, probiotics, diet and lifestyle changes, omega-3 fatty acids, zinc

Introduction

Conjunctivitis is an inflammation of the conjunctiva, the clear membrane covering the eyeball. Symptoms in the affected eye include a bloodshot appearance, crusty discharge, and discomfort that may feel like something is in the eye. Conjunctivitis, also called pink eye, is frequently caused by a viral infection, sometimes of the same viruses that cause colds. In such cases, conjunctivitis could be called “a cold in the eye” and is really no more serious than any other cold. Other causes of conjunctivitis include bacterial infections, allergies, environmental irritants such as smoke or pollution, exposure to chemicals such as chlorine or contact lens solution, and injuries to the eye.

Medical treatment varies depending on the cause of the inflammation. Common viral conjunctivitis does not require treatment; if the conjunctivitis is caused by the herpes virus, urgent treatment is necessary. For bacterial eye infections, antibiotic ointment or oral antibiotics are usually prescribed; for allergic conjunctivitis, prescription eye drops, antihistamines, or both, may be used.

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Proposed Natural Treatments

Herbal teas. Traditionally, herbal teas have been applied to the eyes directly or in a compress or poultice form. This method, however, is not recommended because if absolute sterility is not ensured, further serious infection may occur. Furthermore, allergic reactions to herbal products are relatively common and may, themselves, cause eye irritation. Chamomile tea has also traditionally been used to soothe conjunctivitis symptoms.

Vitamin A. There is some evidence that persons with chronic conjunctivitis may have a vitamin A deficiency. However, this does not prove that taking vitamin A supplements would help treat or prevent conjunctivitis.

Bee propolis. Some studies suggest that bee propolis may help treat conjunctivitis. However, because it was applied topically to the eye in these trials, this treatment is not recommended due to concerns about sterility.

Other herbs and supplements. As the name indicates, eyebright is a traditional herbal treatment for eye conditions; however, this recommendation may be based more on the bloodshot appearance of its petals than on any actual medicinal effect. The herbs barberry, Oregon grape, and goldenseal contain berberine, which has antimicrobial and antibacterial properties. A special berberine preparation is used as a pharmaceutical treatment for conjunctivitis in Germany, but it is not used widely elsewhere. The herb calendula is thought to possess anti-inflammatory and antiseptic properties, and it has been used traditionally as an eye compress. Other herbs and supplements suggested for treating conjunctivitis include omega-3 fatty acids, which can reduce inflammation and support tear production, and zinc, which may help fight infections. 

Other Treatments. To ensure conjunctivitis heals in a timely manner, it is important to stop the use of contact lenses and eye makeup. In many cases, makeup should be discarded to avoid reinfection. Additionally, pillowcases and towels should be changed daily and hands washed often. It is important to note that pink eye can be an early symptom of the measles, so if the condition persists or worsens, medical care is recommended. Staying hydrated, getting plenty of sleep, eating a well-balanced diet high in vitamins and probiotics, applying warm compresses, and washing hands frequently are also ways to prevent conjunctivitis.

Bibliography

Gaby, A. R. "Nutritional Therapies for Ocular Disorders." Alternative Medicine Review, vol. 13, 2008, pp. 191–204.

Gudgel, Dan T. "Quick Home Remedies for Pink Eye." American Academy of Ophthalmology, 27 Apr. 2023, www.aao.org/eye-health/diseases/pink-eye-quick-home-remedies. Accessed 17 Sept. 2024.

"Home Treatments for Conjunctivitis." NYU Langone Health, nyulangone.org/conditions/conjunctivitis/treatments/home-treatments-for-conjunctivitis. Accessed 17 Sept. 2024.

Koby, M. "Conjunctivitis." Ferri’s Clinical Advisor 2019, edited by Fred F. Ferri. Mosby/Elsevier, 2018.

Olitzky, S. E., et al. "Disorders of the Conjunctiva." Nelson Textbook of Pediatrics, edited by Richard E. Behrman, et al, 21st ed., Saunders/Elsevier, 2020.

"Pink eye (Conjunctivitis)—Diagnosis and Treatment." Mayo Clinic, 29 Mar. 2024, www.mayoclinic.org/diseases-conditions/pink-eye/diagnosis-treatment/drc-20376360. Accessed 17 Sept. 2024.