Red bloodshot eyes, patients need to take appropriate medication for the causes of eye congestion, such as allergies caused by congestion, you can use orotidine hydrochloride eye drops, while bacterial infections caused by congestion, you can use levofloxacin hydrochloride eye drops, viral infections caused by congestion, you can use ganciclovir eye drops and so on. A variety of eye diseases can cause eye congestion, which is caused by the dilation and filling of the blood vessels of the conjunctival tissue due to irritating factors, the most common are allergies, bacterial infections, viral infections, and so on. The most common are allergy, bacterial infection, viral infection, etc. For allergy-induced congestion, patients need to be treated with anti-allergy medication, which can inhibit the symptoms of allergy, such as Olopatadine Hydrochloride Eye Drops. For congestion caused by bacterial infection and viral infection, it is necessary to use appropriate anti-infective drugs, such as the application of levofloxacin hydrochloride eye drops for the treatment of congestion caused by bacterial infection, the application of ganciclovir eye drops for the treatment of congestion caused by viral infection. It is recommended that patients with obvious eye congestion consult a doctor in time to assess their condition, follow the doctor’s instructions for treatment, and do not use medication without authorization to avoid causing adverse reactions.