The most common symptoms of a cold are a runny nose, nasal congestion, sneezing, sore throat, and cough. These symptoms usually peak within 2 to 3 days of infection and resolve within about 10 days. Most colds follow a predictable pattern, starting mild, building to a miserable middle stretch, then tapering off gradually.
The Full List of Cold Symptoms
A cold can produce a surprisingly wide range of symptoms, though not everyone gets all of them. The CDC lists these as the core signs:
- Runny nose
- Nasal congestion
- Sneezing
- Sore throat
- Cough
- Headache
- Mild body aches
- Low-grade fever (more common in children than adults)
What most people notice first is the throat. A tingling, scratchy sensation is often the earliest signal that a cold is starting, sometimes appearing before any congestion at all. Fatigue and a vague sense of feeling “off” tend to show up in those first hours too.
How Symptoms Change Day by Day
Colds move through three rough stages, and knowing where you are in the cycle helps you gauge how much longer you’ll feel lousy.
Days 1 to 3: The Early Stage
The first symptoms are usually subtle: a scratchy or tingling throat, mild body aches, and tiredness. You might not even be sure you’re getting sick. Your nose may start to run with thin, watery mucus toward the end of this window.
Days 4 to 7: Peak Misery
This is when the virus hits its stride. Congestion becomes heavy, your nose runs constantly, and the sore throat deepens. Coughing picks up as mucus drains down the back of your throat. Body aches, chills, and fatigue are at their worst. Some people develop a low-grade fever during this stretch, which can feel alarming but is a normal part of the immune response. Day 4 or 5 is typically the point where you feel the worst overall.
Days 8 to 10: Winding Down
Most symptoms start to fade, but a lingering cough, some residual congestion, and fatigue often hang on. A cold typically wraps up around day 10. Some people develop what’s called a post-infectious cough, a nagging, dry cough that can persist for 3 to 8 weeks after the cold itself is gone. It’s annoying but not a sign of a new infection.
Cold Symptoms in Babies and Toddlers
Young children get the same basic symptoms as adults, but they show them differently. The first sign in a baby is usually a stuffy or runny nose. The mucus often starts clear and then thickens, turning yellow or green over a few days. That color change is normal and doesn’t automatically mean a bacterial infection.
Beyond congestion, babies may sneeze, cough, run a fever, and become unusually fussy or irritable. They often have trouble sleeping because they can’t breathe well through their nose. Infants who are nursing or bottle-feeding may struggle to eat, since they need to breathe through their nose while sucking. Refusing to drink fluids entirely is a more serious sign that warrants immediate medical attention. Unusual crankiness or signs of ear pain (tugging at the ear, a sudden return of fever) can signal that the cold has triggered a secondary ear infection.
Cold vs. Flu vs. Allergies
These three conditions share enough overlap to cause real confusion. A few key differences make them easier to tell apart.
Fever is the clearest dividing line. Colds rarely cause fever in adults. The flu usually does, often between 100 and 102°F, lasting 3 to 4 days. Allergies never cause fever. If you’re running a significant temperature, it’s probably not a cold.
Body aches and exhaustion also separate the flu from a cold. With the flu, muscle aches are often severe and extreme exhaustion hits right at the start. A cold may cause mild body aches, but you won’t feel flattened the way the flu can flatten you. Flu-related fatigue can linger for up to 3 weeks.
Sneezing and a runny nose are hallmarks of both colds and allergies, but allergies add itchy, watery eyes to the mix. You almost never get itchy eyes with a cold or flu. Allergies also last as long as you’re exposed to the trigger, which during pollen season can mean 6 weeks or more. Colds and flu rarely last beyond 2 weeks.
Sore throat is common with colds, only occasional with the flu, and sometimes present with allergies (from postnasal drip). Cough is common in both colds and flu, though the flu cough tends to be more severe. A cold cough is usually mild to moderate.
The simplest rule of thumb: if it came on gradually and lives mostly in your nose and throat, it’s likely a cold. If it hit you like a truck with fever, chills, and deep muscle aches, think flu. If your eyes itch and there’s no fever, think allergies.
Signs a Cold Has Become Something Else
Most colds resolve on their own without complications. But occasionally a cold opens the door to a secondary infection that needs medical treatment. The three most common complications are middle ear infections, sinus infections, and lung infections like bronchitis or pneumonia.
An ear infection typically announces itself with ear pain or a fever that returns after you’d started feeling better. A sinus infection causes swelling and pain concentrated around the forehead, cheeks, or between the eyes, often persisting well past the 10-day mark. Lung complications bring worsening chest discomfort, a cough that gets deeper or more productive, or shortness of breath.
The general pattern to watch for is symptoms that get worse instead of better after the first week, or symptoms that seem to clear up and then return with new intensity. A particularly severe sore throat, headache, or sinus pain that feels disproportionate to a normal cold also warrants a closer look from a healthcare provider.