More information about How long does allergic conjunctivitis last
Allergic conjunctivitis causes red, watery, itchy or gritty eyes. The condition is not usually painful and does not make eyes sensitive to light. It does not affect vision.How Long Do Different Types of Pink Eye Last? With viral conjunctivitis, symptoms usually are worse beginning about three to five days after the eye infection begins You may need eye drops containing decongestants or antihistamines to reduce irritation and swelling, sometimes for as long as one or two weeks..