Sodium metabisulfite is a yellowish-colored crystalline powder that emits the smell of sulfur dioxide. This chemical is often used as a preservative, a hair waving agent and as an ensiling agent. It is also used in lotions such as Klaron, which is used for the treatment of acne vulgaris. This chemical can prove to be quite harmful to humans and lead to side effects.
Respiratory Tract Irritation
According to Mallinckrodt Baker, Inc., one of the potential side effects of sodium metabisulfite is irritation to the respiratory tract if the chemical is inhaled. You may experience coughing and shortness of breath. In sensitive individuals, an allergic reaction may also occur. Drugs.com states that if the chemical is ingested, an asthmatic reaction is also a possibility in susceptible people. Broncho-constriction and wheezing are also potential side effects of this chemical.
Anaphylactic Symptoms
Sodium metabisulfite, which is present in Klaron lotion, can cause allergic-type reactions. These include anaphylactic symptoms that can prove to be life threatening. Ten grams of this chemical may prove to be fatal.
Nausea and Vomiting
Ingestion of sodium metabisulfite can cause side effects such as nausea and vomiting. Ingestion of this chemical leads to the release of sulfurous acid in the stomach, causing gastric irritation. You may also experience abdominal pain if large doses of this chemical are ingested.
Skin Irritation
Irritation to your skin is a side effect of sodium metabisulfite. When it comes in contact with your skin, you may experience redness, itching and even pain on the skin.
Other Side Effects
Circulatory disturbances and central nervous system depression may occur as a side effect if sodium metabisulfite is ingested. Contact with your eyes can cause irritation, redness and pain. Irreversible damage may also occur if the chemical comes in contact with your eyes. Corneal damage and blindness are two of the severe reactions. Stinging, tearing and swelling in the eyes are also symptoms of contact with this chemical. Flushing and tingling sensations may occur on exposure to sodium metabisulfite.
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