CDC recommends prompt treatment for people who have flu infection or suspected flu infection and who are at high risk of serious flu complications, such as people with asthma, diabetes including gestational diabetes, or heart disease. Antiviral drugs are prescription medicines pills, liquid, an inhaled powder, or an intravenous solution that fight against flu viruses in your body. Antiviral drugs are not sold over-the-counter. You can only get them if you have a prescription from a health care provider. Antiviral drugs are different from antibiotics, which fight against bacterial infections. If you get sick with flu, antiviral drugs are a treatment option. Flu signs and symptoms can include feeling feverish or having a fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills and fatigue. Your doctor may prescribe antiviral drugs to treat your flu illness.
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Antiviral drugs are a class of medication used for treating viral infections. Antiviral drugs are one class of antimicrobials, a larger group which also includes antibiotic also termed antibacterial, antifungal and antiparasitic drugs,  or antiviral drugs based on monoclonal antibodies. They should be distinguished from viricides, which are not medication but deactivate or destroy virus particles, either inside or outside the body. Natural viricides are produced by some plants such as eucalyptus and Australian tea trees. Most of the antiviral drugs now available are designed to help deal with HIV, herpes viruses, the hepatitis B and C viruses, and influenza A and B viruses.
Improvement of progressive multifocal leukoencephalopathy after cidofovir therapy in a patient with a destructive polyarthritis. Antiviral drugs in current clinical use. It is caused by deposition of foscarnet crystals in the glomerular capillary lumen. A double-blind placebo-controlled study of emtricitabine in chronic hepatitis B. A very early stage of viral infection is viral entry, when the virus attaches to and enters the host cell.