An upper respiratory tract infection (URTI) is when you get an infection in your upper airways. You’ve probably had an URTI if you’ve ever had feelings of:
Congestion
Runny nose
Sore throat
Head pressure
The upper respiratory tract is made up of the nose, sinuses, throat, and larynx (voice box). An URTI happens when any of these areas develop an infection.

Here are some different types of URTI:
You can get infections in the lower respiratory tract too. These happen when germs infect the lower airways. Examples of lower respiratory tract infections include bronchitis and pneumonia.
Most of the time, URTIs will go away on their own. But it’s helpful to know what causes them, how to treat them, and when to get medical attention for your symptoms.
URTIs are mostly caused by viruses and occasionally by bacteria. These germs can easily spread from person to person — especially in colder months. Typically, respiratory germs spread through the air and through close contact, especially when an infected person breathes, talks, coughs, or sneezes.
Here are some common viruses that cause URTIs:
Rhinovirus (the most common cause of the common cold)
Coronaviruses (other than COVID)
Adenovirus
Enterovirus
URTIs caused by bacteria are less common. That said, strep throat is a common bacterial URTI. It’s caused by group A Streptococcus bacteria.
Some people are more likely to get an URTI. These include:
Children in day care or school, or people exposed to those children
People with asthma or allergic rhinitis
People who smoke
Someone who’s immunocompromised
The most common symptoms are cough, nasal congestion, and fatigue. Beyond that, specific URTI symptoms depend on which part of your upper respiratory tract is affected. Often, symptoms overlap.
Typical symptoms of the common cold include:
Runny nose
Sneezing
Sinusitis symptoms include:
Facial pain
Nasal congestion or runny nose
Pharyngitis symptoms include:
Pain with swallowing
Cough
Bad breath
Laryngitis symptoms include:
Hoarse voice or loss of voice
Sore throat
Dry cough
Compare prices and information on the most popular Upper Respiratory Infection medications.
Symptoms are usually enough to diagnose an URTI. If you see a healthcare professional, they’ll start by asking about your symptoms. Next, a physical exam will help them figure out what’s going on. They may look in your nose, mouth, and throat. And they’ll listen to your lungs. Often, they can make the diagnosis without doing further tests.
But in some cases, testing can be helpful. Your healthcare team may want to order testing to identify:
Strep throat: A throat swab can test for strep bacteria to figure out if you need antibiotics.
Flu or COVID: If you test positive for flu or COVID, antiviral treatments may be an option.
Since most URTIs are caused by viruses, antibiotics aren’t usually necessary or helpful. Treatment involves making yourself comfortable, getting plenty of rest, and staying hydrated. And, last but not least, make sure to give your body time to recover.
Home remedies can also be helpful. At-home treatments can include:
Drinking hot tea
Adding honey to a warm drink, or taking a spoonful of honey on its own
Using extra pillows at night to help your body drain mucus better
Using a saline wash with neti pot
Creating a steam bath in the shower or bath
Sometimes, at-home remedies just aren’t enough to help your symptoms, and you may need medications.
There are helpful over-the-counter medications (OTC) that can help you feel more comfortable as your body fights off the infection. These include:
Decongestants: such as nasal sprays or pseudoephedrine (Sudafed)
Pain relievers: like ibuprofen (Advil) and acetaminophen (Tylenol)
Cough medicine: the best choice depends on the type of cough
Many OTC cough and cold products aren't recommended for young children, so check with your pediatrician or primary care provider first.
If you test positive for flu or COVID, and you’re at high risk for severe flu or COVID, you may need antiviral medications:
Flu treatments, including oseltamivir (Tamiflu) and baloxavir marboxil (Xofluza)
COVID treatments, including nirmatrelvir / ritonavir (Paxlovid) and molnupiravir (Lagevrio)
In some cases, URTIs need treatment with antibiotics, for example:
Bacterial sinusitis is often treated with amoxicillin / clavulanate (Augmentin).
Strep throat is usually treated with amoxicillin.
Other antibiotic options are available for those with penicillin allergies.
You can’t prevent every URTI. But there are steps you can take to lower your chances of getting and spreading the germs that cause them:
Stay up-to-date on recommended vaccines. Vaccines can help protect against respiratory illnesses such as the flu and COVID. RSV immunizations are also recommended for certain people.
Wash your hands regularly. Use soap and water, or an alcohol-based hand sanitizer when soap and water aren't available.
Avoid touching your eyes, nose, and mouth with unwashed hands. This helps keep germs from entering your body.
Avoid close contact with people who are sick when possible. And cover your coughs and sneezes when around people.
Consider wearing a well-fitting mask. A mask can provide additional protection when respiratory viruses are spreading, particularly in crowded indoor spaces or if you or someone around you is at higher risk for serious illness.
Most simple URTIs get better on their own within 1 to 2 weeks.
But some symptoms are a sign that you should get checked by a healthcare professional:
Your symptoms have lasted more than 10 days and aren’t improving.
Your symptoms were improving, but they suddenly got worse.
You’ve had a fever for more than 4 days or a fever that won’t come down.
You have severe or worsening sinus pain, sore throat, or other symptoms.
You’re immunocompromised or have significant chronic medical conditions.
Your child is less than 2 months old and has a fever.
There are some situations in which you should get urgent medical care:
You have difficulty breathing.
You’re dehydrated (you haven’t urinated much in the past 24 hours).
You’re feeling extremely weak, or you’re getting worse rapidly.
There’s no magic bullet to instantly get rid of your symptoms. But here are some ways you can help speed up your recovery:
Drink lots of fluids.
Get plenty of rest.
Use steam to clear nasal passages.
Try a humidifier to ease a cough.
Sleep with extra pillows to ease congestion.
Eat nutrient-packed foods.
Try zinc supplements.
Use over-the-counter (OTC) medications like painkillers, decongestants, and cough suppressants to ease symptoms.
There’s no magic bullet to instantly get rid of your symptoms. But here are some ways you can help speed up your recovery:
Drink lots of fluids.
Get plenty of rest.
Use steam to clear nasal passages.
Try a humidifier to ease a cough.
Sleep with extra pillows to ease congestion.
Eat nutrient-packed foods.
Try zinc supplements.
Use over-the-counter (OTC) medications like painkillers, decongestants, and cough suppressants to ease symptoms.
You can't reliably tell if an infection is viral or bacterial based on symptoms alone. Most upper respiratory tract infections (URTIs) are caused by a viral infection.
It’s not a perfect science, but certain patterns may suggest a bacterial infection:
Your symptoms last longer than 10 days and aren’t improving.
You have a fever that lasts longer than 4 days.
You have a painful sore throat with fever.
You have sinusitis symptoms (like facial pain or headaches) that don’t resolve after 10 days.
An URTI involves the upper airways: the nose, sinuses, throat, and voice box. A lower respiratory tract infection involves the lower airways: typically, the large and small airways of the lungs and the air sacs of the lungs.
Common lower respiratory tract infections are:
Depending on your age and the type of infection, the symptoms can range from mild to severe. Typically, lower respiratory infections have more serious symptoms (like difficulty breathing) than upper respiratory ones.
HealthyChildren.org. (2025). Bronchiolitis: What parents should know. American Academy of Pediatrics.
MedlinePlus. (2025). Upper respiratory tract.
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