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Is diphenhydramine safe to take? Could they increase damage to the optic nerve?

April 26, 2017damage diphenhydramine increase nerve optic safe

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Is diphenhydramine safe to take? Could they increase damage to the optic nerve?

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Diphenhydramine, the active ingrediant in the antihistamine Benadryl, is safe for patients with open-angle glaucoma. Antihistamines should be used with caution in patients with narrow-angle glaucoma. This class of medications can increase the risk of a narrow-angle attack in patients with occludable angles who have not undergone a preventive peripheral iridotomy procedure. Your eye doctor can provide you with more details about this topic.