How long does it take for a hoarse throat to heal on its own?
Generally, hoarseness caused by mild vocal cord fatigue may recover within about 1 day; hoarseness caused by mild inflammation may take 1–2 weeks to improve; if hoarseness is caused by severe inflammation, it may not heal on its own. It is recommended to visit a hospital to determine the cause and follow medical advice for treatment. Detailed explanations are as follows:

If hoarseness is caused by mild vocal cord fatigue due to prolonged speaking, shouting, or singing, it usually resolves naturally within about one day through adequate vocal rest and avoiding further overuse. Mild upper respiratory tract infections caused by pathogens such as viruses or bacteria—such as common colds, pharyngitis, or laryngitis—may result in inflammation of the vocal cords. With the body's immune response, this inflammation may resolve spontaneously, typically within 1–2 weeks.
If hoarseness is caused by bacterial throat infection or other serious infections, the self-healing process may take longer or may not occur at all. It is recommended to seek timely medical treatment based on the severity of the condition. In such cases, failure to treat may lead to complications or long-term damage.
During the recovery process, patients should maintain healthy lifestyle habits, such as drinking plenty of water, avoiding spicy or irritating foods, and refraining from smoking and alcohol consumption.