A stuffy nose, facial pressure, and a nagging cough can leave you wondering: is this just a common cold, or has it turned into a sinus infection? The two overlap a lot, but they have different causes and different treatments — so telling them apart helps you know what to do next.

What a common cold looks like

A cold is a viral upper respiratory infection. It usually comes on gradually and follows a predictable arc — building over a couple of days, peaking, then improving. Typical cold symptoms include:

Runny or stuffy nose (often with clear mucus at first)
Sneezing
Sore or scratchy throat
Mild cough
Mild fatigue and sometimes a low-grade fever

Most colds run their course in about 7 to 10 days, and they get better on their own without antibiotics.

What a sinus infection looks like

A sinus infection (sinusitis) is inflammation of the sinuses that can follow a cold. Many sinus infections are also viral, but some are bacterial. The hallmark is pressure and pain concentrated in the face. Common symptoms include:

Facial pain or pressure (around the cheeks, eyes, or forehead)
Thick, discolored nasal discharge
Congestion that feels deeper and more persistent
Reduced sense of smell
Post-nasal drip and sometimes tooth pain or headache

The key differences

A few clues help distinguish the two:

Location: Colds are spread across the nose and throat; sinus infections center on facial pressure and pain.
Timeline: A cold improves within about 10 days. Sinus symptoms that last longer than 10 days, or that improve and then suddenly worsen ("double worsening"), point more toward a sinus infection.
Severity: High fever and intense facial pain are more typical of a sinus infection than a simple cold.

Do you need antibiotics?

Here's the important part: most colds and even many sinus infections are viral, which means antibiotics won't help. Treatment usually focuses on relieving symptoms — rest, fluids, saline rinses, decongestants, and pain relievers. Antibiotics are only appropriate when a provider determines a bacterial sinus infection is likely, often based on how severe and how long-lasting the symptoms are.

A licensed provider can review your symptoms and timeline and recommend the safest approach — including whether watchful waiting, symptom relief, or a prescription makes the most sense for you.

When to seek in-person or urgent care

Get prompt, in-person care if you have:

Difficulty breathing or shortness of breath
Chest pain or pressure
A high or persistent fever
Severe headache, stiff neck, or vision changes
Symptoms that are rapidly getting worse

The bottom line

Colds and sinus infections share symptoms, but colds are viral and self-limited, while sinus infections — which can be viral or bacterial — tend to bring focused facial pressure and may last longer. Most cases improve with supportive care. If your symptoms are dragging on or worsening, a quick online visit can help you figure out the right next step.

Cold vs. Sinus Infection: How to Tell the Difference