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What are the negative side effects of using hydrogen peroxide?

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Quick Answer

Negative side effects of using hydrogen peroxide include difficulty breathing, irritation, stinging and redness. Other negative side effects are inflammation of the throat, severe dizziness and a rash. Immediate medical attention is necessary if these side effects occur, according to WebMD.

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Full Answer

Hydrogen peroxide is an antiseptic that prevents infection of minor skin injuries, such as burns and scrapes. It also relieves mouth irritation, such as gingivitis and cold sores. Additionally, people use it as a mouthwash. Patients should inform the doctor of any allergies before using hydrogen peroxide. This is because it has inactive ingredients. It is safe to use during pregnancy, but breastfeeding mothers should consult a doctor before using it, states WebMD.

Consuming dilute hydrogen peroxide causes stomach upset and vomiting. Milk counters these symptoms. Consuming highly concentrated hydrogen peroxide causes tissue burns. It is an unproven alternative therapy for conditions such as irregular heart rhythms, emphysema, lupus, warts and diabetes. Hydrogen peroxide is useful for bleaching teeth but causes tooth sensitivity. Research shows that hydrogen peroxide damages cells that aid in wound healing, according to Poison Control.

Hydrogen peroxide works by releasing oxygen on the affected area. This causes foaming that removes dead skin, cleaning the affected area. Serious allergic reaction to hydrogen peroxide is rare, says WebMD.

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