There are several causes of red bloodshot eyes: 1. Inflammation causing red bloodshot eyes. If it is a bacterial infection, you can use oxyfloxacin eye drops and levofloxacin eye drops to dot your eyes. If the red blood is caused by a virus, you can use ganciclovir eye gel to coat the eyes. 2, visual fatigue. Some patients have myopia, hyperopia, astigmatism and other refractive errors and do not wear glasses, visual fatigue can appear red blood, this time it is recommended to wear appropriate glasses, you can point Sturgeon eye drops. 3, conjunctiva, corneal dryness caused by red blood, this case can point sodium vitreous eye drops.