How long does it take for a sore throat to heal on its own?
Generally, the self-healing time for a sore throat depends on the cause and severity. In cases of mild viral infections, such as those caused by the common cold virus, recovery typically occurs within 5–7 days without treatment. However, if the inflammation is due to bacterial infection or symptoms are severe, spontaneous recovery is unlikely, and medical intervention is usually required. Detailed analysis is as follows:

Sore throats are most commonly caused by viral infections, such as the common cold virus, and are characterized by dryness, mild throat pain, and absence of pus or high fever. Antibiotics are unnecessary in these cases, as the body's immune system can gradually eliminate the virus. During recovery, it is important to drink plenty of water, minimize talking, avoid spicy or irritating foods, and keep the throat moist. Most healthy individuals recover within a week, while those with weaker immunity may require an additional 1–2 days.
If the inflammation is caused by a bacterial infection, such as streptococcal pharyngitis, symptoms may include severe throat pain, pus on the tonsils, and fever. Relying solely on self-healing in such cases may lead to delayed treatment. Additionally, inflammation caused by excessive voice use or accompanied by factors like allergies or acid reflux is unlikely to resolve spontaneously. Targeted medications or lifestyle adjustments are often needed, and recovery may take longer—typically 10–14 days.
In daily life, avoid overusing your voice, drink warm water promptly when you have a cold, and use a humidifier indoors to maintain proper humidity. In terms of diet, consume more soothing fruits and vegetables such as pears and oranges, and reduce exposure to irritants like tobacco and alcohol.