There is no cure for RSV (respiratory syncytial virus), and no medication will make the infection go away faster. RSV is a virus that has to run its course, typically over one to two weeks. What you can do is manage symptoms at home while your body clears the infection, and know which warning signs mean it’s time to get medical help.
Why RSV Can’t Be “Cured”
RSV targets the cells lining your airways, particularly the tiny, hair-like structures (cilia) that sweep mucus out of your lungs. The virus destroys these ciliated cells and triggers a large increase in mucus production. That combination of damaged clearance and excess mucus is what causes the congestion, coughing, and wheezing that define an RSV infection. Your immune system has to kill off infected cells and rebuild the airway lining, which simply takes time.
Antibiotics don’t work because RSV is a virus, not a bacterial infection. An antiviral drug called ribavirin does exist and is FDA-approved for severe RSV in children, but it’s reserved almost exclusively for high-risk patients like organ transplant recipients. For the vast majority of people, supportive care at home is the standard approach.
Home Treatment That Actually Helps
Stay hydrated. This is the single most important thing you can do. Fluids keep mucus thinner and easier to cough up, and fever increases fluid loss. Water, broth, and electrolyte drinks all work. For breastfed infants, frequent feedings are key since babies with stuffy noses tire out quickly during feeds and may need shorter, more frequent sessions.
Use acetaminophen or ibuprofen to manage fever and body aches. Never give aspirin to children. For adults over 65 or anyone on blood pressure or heart medications, check with a pharmacist before reaching for over-the-counter cold medicines, as some ingredients can raise blood pressure or interact with prescriptions. The same caution applies to children: some OTC cold and cough products contain ingredients that aren’t safe for young kids.
A cool-mist humidifier in the bedroom can ease breathing, especially at night. For infants, saline nose drops followed by gentle bulb syringe suction helps clear congestion they can’t blow out on their own. Keeping the head slightly elevated during sleep (for older children and adults) can also reduce nighttime coughing.
How Long RSV Lasts
Most people are contagious for 3 to 8 days, and you can actually start spreading the virus a day or two before symptoms appear. Symptoms generally peak around days 3 to 5, with congestion and wheezing at their worst during this window. The cough can linger for two to three weeks even after other symptoms resolve, because the airway lining needs time to regenerate those damaged cells.
Infants and people with weakened immune systems are a different story. They can continue shedding the virus for four weeks or longer, even after they look and feel better. That extended contagious period makes careful hand hygiene important for anyone caring for a vulnerable person recovering from RSV.
When RSV Becomes Dangerous
For most older children and adults, RSV feels like a bad cold and resolves on its own. The groups at real risk for severe illness are infants under six months, premature babies, older adults, and anyone with chronic lung disease, heart disease, or a compromised immune system. In these groups, RSV can progress to bronchiolitis (inflammation of the small airways) or pneumonia.
Warning signs that need medical attention in infants include a breathing rate above 70 breaths per minute, visible rib or chest retractions with each breath, pauses in breathing, poor feeding, and unusual drowsiness. In a hospital setting, doctors monitor oxygen levels and typically intervene if saturation drops below 90%. At home, watch for bluish color around the lips or fingernails, which signals low oxygen. For adults, worsening shortness of breath and inability to keep fluids down are the clearest signals to seek care.
Hospital treatment for severe cases is still supportive: supplemental oxygen, IV fluids if the patient is dehydrated, and in the most serious situations, mechanical breathing support. There’s no special drug given in the hospital that kills the virus. The goal is to keep the body stable while the immune system does its work.
Stopping It From Spreading at Home
RSV is remarkably durable outside the body. It survives on hard surfaces like countertops for up to 7 hours, on rubber or plastic for about 5 hours, and on fabric for around 2 hours. On skin, it lasts roughly 20 minutes. That means a doorknob touched by someone who just wiped their nose can transmit the virus hours later.
Wash your hands frequently with soap and water, especially before touching your face or handling a baby. Disinfect high-touch surfaces (light switches, phone screens, remote controls, faucet handles) daily while someone in the household is sick. If you’re the one infected, cough and sneeze into your elbow, use disposable tissues, and avoid kissing infants or young children on the face.
Protection for Infants and Older Adults
Two categories of prevention now exist for the people RSV hits hardest. For infants, the primary options are a long-acting antibody injection (nirsevimab or clesrovimab) given directly to the baby, or an RSV vaccine given to the mother during pregnancy. The maternal vaccine, Abrysvo, passes protective antibodies to the baby before birth. The antibody injections are recommended for infants under 8 months entering their first RSV season whose mothers weren’t vaccinated during pregnancy, and doses are weight-based: 50 mg for babies under 11 pounds, 100 mg for those 11 pounds and above.
Children between 8 and 19 months who face higher risk, including those with chronic lung disease, severe immune deficiency, cystic fibrosis with significant lung involvement, or American Indian and Alaska Native children, can receive a 200 mg dose of nirsevimab before their second RSV season.
For adults 60 and older, three RSV vaccines are now approved: Arexvy, Abrysvo, and mResvia. These are particularly valuable for people with underlying conditions like COPD, asthma, or congestive heart failure, since RSV can worsen those chronic illnesses significantly. Adults in this age group who are repeatedly hospitalized for respiratory flare-ups during RSV season should ask about vaccination.