Eye drops for red eyes should also be used according to the cause of red eyes, which are mainly caused by infectious conjunctivitis, mainly divided into two categories: bacterial infections and viral infections, with these two categories being the main common. Bacterial infections of conjunctivitis are mainly caused by the use of antibacterial eye drops, such as levofloxacin or tobramycin drops can be. In addition, you can also use oxyfloxacin eye ointment or tobramycin eye ointment for combined topical anti-inflammatory treatment, which will heal relatively quickly. If it is a viral infection that causes conjunctival congestion and red eyes, you need to use antiviral medications, such as ganciclovir gel or acyclovir eye drops, to carry out the corresponding antiviral treatment, which is relatively more symptomatic, and the red eyes can recover faster.