Prescription antiviral medications can help reduce symptoms and shorten the duration of the illness. There are currently four antiviral medications approved by the FDA to treat the flu, including 3. Probenecid. Probenecid is another gout medication that can interact with amoxicillin. It makes amoxicillin stick around for longer in your body. If you take probenecid and amoxicillin together, thereā€™s a higher risk of developing amoxicillin side effects, such as new or worsening nausea, vomiting, or diarrhea. Antivirals. Antiviral medications help the body fight off harmful viruses. The drugs can ease symptoms and shorten the length of a viral infection. Antivirals also lower the risk of getting or spreading viruses that cause herpes and HIV. One approved antiviral treats the coronavirus that causes COVID-19. .

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