Do antibiotics treat common colds?

No, antibiotics do not treat the common cold. The common cold is a viral infection that affects the upper respiratory tract, whereas antibiotics are designed to fight bacterial infections. Therefore, taking antibiotics will not help cure a cold and will not make you feel better any faster [1].

Why do antibiotics not work against common colds?

The primary reason antibiotics are ineffective against common colds is that these colds are caused by viruses, not bacteria. There are over 200 different viruses that can cause common colds, with rhinoviruses being the most common [1]. Antibiotics work by killing bacteria or stopping them from multiplying, and they have no effect on viruses. Using antibiotics unnecessarily can lead to unwanted side effects, such as rashes or digestive problems, and may contribute to the development of antibiotic resistance, making future treatment of actual bacterial infections more difficult [2].

When might antibiotics be necessary?

Although antibiotics do not treat the cold itself, in some rare cases, a viral cold may develop into a secondary bacterial infection, such as bronchitis or pneumonia [1]. In these instances, a doctor may deem it necessary to prescribe antibiotics to treat the bacterial infection. This is more common in individuals with a weakened immune system, asthma, or other chronic respiratory conditions [1]. These complications must be diagnosed by a healthcare provider, and you should never take antibiotics on your own.

What is effective treatment for the common cold?

Since there is no cure for the common cold, treatment focuses on relieving symptoms while the body heals on its own. Effective measures include the following [1]:

• Adequate rest: Getting plenty of sleep helps the body recover.
• Plenty of fluids: Drinking plenty of fluids like water, juice, and soup helps keep the body hydrated and thins congestion.
• Humidifier: Using a clean air humidifier or cool mist vaporizer can help relieve nasal and throat congestion [1].
• Gargling with saltwater: Can help relieve a sore throat [1].
• Saline nasal drops or sprays: These help moisturize nasal passages and relieve congestion [1].
• Over-the-counter medications: Such as pain relievers and fever reducers, can alleviate symptoms like headaches, body aches, and fever [2]. Instructions should be read carefully, especially when using cough and cold medicines for children, and consult a pharmacist or doctor if you have any questions [1].
• Honey: Can be used to relieve coughing in adults and children over one year of age [2].

For more information on the differences between colds, the flu, and effective home treatment, you can visit The Common Cold: Differences from the Flu and Effective Home Treatment (Arabic).

When should you seek medical care?

Although most common colds improve on their own within a week or two, there are some symptoms that warrant a doctor's visit, especially if you or your child are experiencing them [1]:

• Difficulty breathing or rapid breathing.
• Signs of dehydration.
• Fever lasting more than 4 days [1].
• Symptoms lasting more than 10 days without improvement [1].
• Symptoms, such as fever or cough, that improve and then return or worsen [1].
• Worsening of chronic medical conditions [1].

If you are concerned about any symptoms or if you are in a group at higher risk for complications (such as the elderly or those with weakened immune systems), it is important to consult a healthcare provider to evaluate the condition and determine if any medical intervention is needed [2].

Medical references

• Common Cold
• Manage Common Cold