If the problem is a virus infection, then it will not respond to antibiotics, and your body will have to fight off the infection. If the doctor thinks that the problem is allergic, then you may be prescribed antihistamines or sodium cromoglycate drops as in the section on hayfever . There are proprietary eye washes and lotions which may soothe the eyes, and at least one eye treatment which is for mild infections, but in general these are merely a temporary measure. You should see your doctor for further advice. Your doctor may prescribe drops or ointment, or both.
Drops stay in the eyes for a shorter time, but ointment tends to blur the vision.
Sometimes the doctor may prescribe drops by day, with ointment at night. Frequently used in UK Chlorotetracycline Framycetin Fusidic acid Gentamicin Neomycin Ofloxacin Polymyxin B Sulphate Propamidine. This can be bought over the counter, but is not very often helpful. It is, however effective for one very rare, but serious eye condition. You are more prone to conjunctivitis after a cold, but anyone can pick it up.