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Zinc Oxide Side Effects

Zinc oxide is a chemical compound. Represented by its chemical formula, ZnO, zinc oxide manifests itself generally as white hexagonal crystals or zinc white, a powdery substance that can be put to use in a number of industries. One of its primary uses is in the paint, rubber and plastic industries where it is used as a thinner or filler. It is also used extensively in the cosmetic industry. It is used in emollients and creams as it has the ability to block ultraviolet rays. However, despite these uses, ZnO is a chemical that produces a few side effects that can range from moderate to dangerous. Zinc oxide is one of the derivatives of zinc and most of the side effects occur when it is taken internally.

  1. Allergies

    • When zinc oxide is used in cosmetic products such as creams or lotions, it can cause an allergic reaction. Some consumers have reported mild to severe cases of rash and hives. Other signs of an allergic reaction to zinc oxide include stinging, itching, burning, tingling and darkening of the skin.

    Side Effects of Overdose

    • Taking prescribed quantities of zinc oxide is usually harmless to the human body. However, when taken in larger than required doses, zinc oxide can cause problems. The general dosage of zinc is fixed at 40 mg a day. When zinc is consumed orally in excess of 4 to 10 times the approved limit over a period of time, problems include reduction of high density lipids and the body's natural immunity. This happens when zinc oxide prevents the body from absorbing other important nutrients such as magnesium, copper and iron. An overdose of zinc oxide in children can also lead to such complications as diarrhea, jaundice, vomiting, fatigue, fever, chills, coughing, lethargy and kidney problems.

    Other Side Effects

    • Other important side effects of zinc oxide taken in oral form or as a a component to medications include chest pains, tightening of the chest, difficulty in breathing and swelling of the mouth, lips, tongue or face. Vomiting, nausea and an unpleasant metallic flavor in the mouth are also potential side effects of oral ingestion.

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