Fact Checkup
Fever & cold
FC-0002 · Fever & cold28 Sep 2026

Claim

Whether or not you take medicine, a cold gets better in 7 days or one week.

VerdictMisleading
Can be harmful

Checked against CDC, NHS, WHO

A cold usually gets better on its own, but it often takes about 1 to 2 weeks, not always 7 days. Some symptoms can last up to 10 to 14 days.

What experts say

  • There is no cure for a cold. It usually gets better on its own without antibiotics.124
  • You should begin to feel better in about 1 to 2 weeks. Some symptoms, like a runny or stuffy nose and cough, can last up to 10 to 14 days.12
  • Antibiotics do not work against cold viruses and do not shorten the illness or prevent complications.124
  • Some medicines can give short-term relief from symptoms, but they do not cure the cold.34
  • Cold symptoms can last longer in young children.2

Why people believe it

People often remember the saying that a cold lasts 7 days, and many people do feel better within a week. But for many people it takes 1 to 2 weeks.

What to do

  • You can usually treat a cold at home without seeing a doctor.12
  • Do not take antibiotics for a cold. They do not work against cold viruses.124
  • Wash your hands often, cover your coughs and sneezes, and avoid close contact with people who are sick.12
  • If symptoms are not getting better after 10 days, or you have warning signs, see a doctor.12

See a doctor if

  • Trouble breathing, fast breathing, shortness of breath, or chest pain.12
  • Fever that lasts more than 3 days.12
  • Symptoms that last more than 10 days without getting better, or symptoms that improve then return or get worse.12
  • Dehydration.1
  • In a baby under 3 months, fever of 38°C or higher.1

Sources

  1. 1Preventing and Treating Common Coldcdc.gov
  2. 2Common coldnhs.uk
  3. 3Outpatient Clinical Care for Adultscdc.gov
  4. 4Cough and cold remedies for the treatment of acute respiratory infections in young childrenwho.int

Updated 28 Sep 2026

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