Hydrogen peroxide is sometimes mentioned for throat gargling, but it should be used very carefully because it can irritate or even damage the delicate lining of the throat if it is too strong or used incorrectly. It is not a routine or first-choice remedy for throat problems, and it is not suitable for everyone. Many sore throat issues are due to viral infection, acidity, or irritation, and usually improve with safer options like warm saltwater gargles, steam inhalation, good hydration, and rest. Using hydrogen peroxide without proper dilution or medical guidance can worsen burning or dryness instead of giving relief. It should never be swallowed, and even gargling should only be done if specifically advised by a healthcare professional with correct dilution. If throat discomfort is persistent, severe, or associated with fever, difficulty swallowing, or voice changes, it is better to get examined to identify the real cause and receive appropriate treatment rather than trying strong chemical remedies at home.