July 4, 2026
A scratchy throat, a runny nose, and a lingering cough usually make people think of a common cold. But sometimes, those same symptoms are caused by Respiratory Syncytial Virus (RSV).
Although RSV is often associated with infants and young children, adults can get infected too. For most healthy adults, the illness is mild and improves within a week or two. However, older adults and people with certain medical conditions can experience more serious complications.
Knowing how RSV presents in adults can help you decide whether home care is enough or if it's time to seek medical advice.
Respiratory Syncytial Virus is a contagious virus that affects the respiratory tract, including the nose, throat, and lungs.
The virus spreads easily through:
RSV infections become more common during the fall and winter months, when other respiratory viruses are also circulating.
Symptoms often begin gradually and may resemble a seasonal cold.
Common signs include:
Some people may also notice wheezing or mild shortness of breath, particularly if they have asthma or other lung conditions.
While many adults recover without complications, RSV can become more severe in certain groups.
Higher-risk individuals include:
These individuals may develop lower respiratory infections such as bronchitis or pneumonia and should monitor symptoms carefully.
Because these illnesses share many of the same symptoms, it is often impossible to know the exact cause based on symptoms alone.
All may cause:
However, RSV tends to produce more mucus and prolonged coughing, while influenza often causes sudden high fever and severe body aches. COVID-19 symptoms can vary widely and may include changes in taste or smell in some cases.
A healthcare provider can help determine the most likely cause based on your symptoms and medical history.
Most healthy adults recover with supportive care.
Helpful measures include:
Because RSV is caused by a virus, antibiotics are not effective unless a bacterial infection develops.
Medical evaluation is recommended if you experience:
Adults with chronic health conditions should contact a healthcare provider early, even if symptoms initially seem mild.
Prompt evaluation can help identify complications before they become more serious.
Many mild respiratory illnesses can initially be evaluated through a virtual healthcare appointment.
During an online consultation, a healthcare provider may:
If symptoms suggest pneumonia or another serious illness, additional testing or an in-person examination may be recommended.
Most adults begin feeling better within one to two weeks.
A dry cough, however, may linger for several weeks after the infection clears.
Recovery time may be longer for adults with underlying medical conditions or weakened immune systems.
Returning to work or daily activities too quickly can sometimes prolong recovery, so adequate rest remains important.
Simple preventive habits can reduce the spread of RSV and other respiratory viruses.
These include:
Adults who qualify for RSV vaccination should also discuss immunization with their healthcare provider.
RSV is often mistaken for a routine cold, but it can have a greater impact on older adults and those with underlying health conditions.
Recognizing symptoms early, monitoring your recovery, and seeking medical advice when symptoms worsen can help prevent complications.
If you're unsure whether your symptoms require medical attention, speaking with a licensed healthcare provider can provide reassurance and help you choose the right next step for your recovery.