1. Clinical manifestations: Viral conjunctivitis is characterized by tears, fear of light and increased gums, which can stick eyelashes together. Secretion is similar to watery turbid secretion, and follicular hyperplasia is the main feature in the eye. Allergic conjunctivitis: The main manifestations are jealousy and severe itching, which need to be rubbed by hand. In the morning, there will be more yellow-white or even mucus-like secretions. Usually allergic conjunctivitis has less secretions during the day and less red eye. Allergic conjunctivitis can cause follicular hyperplasia and conjunctival papilla hyperplasia.

2. Etiology: The causes of allergic conjunctivitis and infectious conjunctivitis are different. Allergic conjunctivitis is an allergic reaction caused by allergen stimulating conjunctival tissue, while infectious conjunctivitis is mainly caused by virus infection.

3. Treatment: Due to different reasons, the treatment methods of the two are also different. The treatment of allergic conjunctivitis is mainly to remove allergens. Infectious conjunctivitis usually uses eye drops, and it is generally not recommended for patients to undergo physical therapy, that is, cold compress or hot compress.

Although it is easy to distinguish allergic conjunctivitis from infectious conjunctivitis clinically, sometimes patients will involuntarily rub their eyes because of allergic conjunctivitis, bringing bacteria from their hands into their eyes, thus leading to allergic conjunctivitis and infectious conjunctivitis. The patient's eyes itch. Conjunctival congestion is obvious, and there are more purulent secretions in the eyes. The above symptoms can occur simultaneously. So these patients will take medicine at the same time. At this point, patients are advised to use drugs correctly under the guidance of doctors.

Try to stay away from allergens: you can block allergens and try to block allergens. For example, some patients are allergic to pollen, so try to wear masks or goggles to prevent allergens from contacting mucous membranes. If household items cause allergic reactions, family members should clean them to reduce animal hair. Metabolite allergy, try not to keep pets; Mainly used for seasonal allergic conjunctivitis. If it is allergic conjunctivitis caused by other conditions, the effect is not obvious, so it is rarely used. If the condition is serious, eye drops may be needed. Pay attention to the possible side effects at this time.