A variety of viral infections can affect humans, from the common cold to the flu. This article will focus on common viruses that are known to be highly contagious including the common cold and influenza. Learn more about the types, symptoms, and treatment of a viral rash here. In some cases, vaccines can be used to treat an active viral infection. It most often affects children, but adults with weakened immune systems can get it, too. A viral fever is any fever that’s caused by an underlying viral illness. Vaccines and Antiviral Drugs for Treatment. Molluscum contagiosum is a common viral skin infection. As you might think, bacterial infections are caused by bacteria, and viral infections are caused by viruses. The treatment for infections varies depending on the most likely cause of the infection. Vaccines can help prevent you from getting many viral diseases. Another option is to use a prescription nasal spray to reduce swelling in the nasal passages. Viral Infection Treatment There are many types of viruses that can infect a human, and while each virus affects a human differently, there are a variety of effective treatments available. In some viral infections, such as the flu, shingles (herpes zoster), or chicken pox (varicella) your doctor may decide to prescribe an antiviral drug to shorten your infection and to help prevent complications. 7 tips to combat viral upper respiratory illness December 7, 2016 The next time you go to see your health care provider for an upper respiratory illness — a cough or cold — don't assume you'll get a prescription for an antibiotic. For example: Antibiotics may be used to treat bacterial infections; Antifungals may be used to treat fungal infections; Supportive measures (such as pain relief, decongestants) may be used to treat some viral infections Viral Skin Infections Molluscum Contagiosum Molluscum contagiosum is a viral skin infection that causes either single or multiple raised, pearl-like bumps (papules) on the skin. Antivirals need to be taken early in the infection - usually in the first 24 to 48 hours - to be most effective. It … How is an Infection Treated? Perhaps the most important distinction between bacteria and viruses is that antibiotic drugs usually kill bacteria, but they aren't effective against viruses. The concept behind this is that by giving the vaccine, immunity is boosted without adding more disease-causing virus. Antibiotics do not work for viral infections. A range of viral infections, including shingles, chickenpox, and measles, can cause a skin rash. 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