Calcium is the main component of bones and teeth and plays a key role in many of the body’s metabolic processes. The mineral also aids in nerve and muscle activity. Calcium is a chemical element, the compounds of which have many different applications. Some calcium derivatives such as calcium oxide can cause harmful effects to the body. Others, like calcium carbonate, offer healthful benefits.
Properties of Calcium Oxide
Whenever calcium reacts with oxygen, it forms calcium oxide. Calcium always exists as a compound in nature, never as a free element. Calcium carbonate – the most common calcium compound – occurs in the form of coral, chalk, marble, oyster shells and limestone. Calcium oxide – also known as lime or quicklime – is a chemical compound made by heating limestone. Lime is a white, caustic powder used to treat acidic soils. It is also used in mortars, cements and water softeners.
Health Hazards of Calcium Oxide
Calcium oxide can have adverse effects if it comes into contact with your skin or eyes, or if you inhale or swallow it, according to the Centers for Disease Control, or CDC. This calcium byproduct is an irritant that can worsen the symptoms of chronic respiratory disease. People who suffer from skin disorders often are more susceptible to the irritating effects of calcium oxide. Calcium oxide dust can irritate the eyes, nose, throat and skin. Inflammation of the respiratory passages, perforation of the nasal septum and pneumonia are common problems. Prolonged or frequent contact with the skin can cause dermatitis, an inflammation of the skin.
Calcium Carbonate
Doctors often recommend calcium carbonate to treat or prevent calcium deficiencies. These dietary supplements are also used to treat indigestion, gastroesophageal reflux disease, gastric ulcer, osteoporosis and hypocalcemia – a low level of calcium in the blood. They are available with or without a prescription. Take calcium carbonate according to the directions on the label or as prescribed by your physician. Calcium carbonate is most effective when you take it with food.
Calcium Carbonate Side Effects
Seek the advice of your physician before taking calcium carbonate or antacids that contain calcium. This is especially important if you are pregnant, breastfeeding, have a history of kidney stones or suffer from a parathyroid gland disorder. Calcium carbonate can interfere with how your body absorbs other medications, including digoxin used to treat congestive heart failure, the antibiotic doxycycline, vitamin D supplements and other calcium supplements. Inform your doctor about any dietary supplements, prescription drugs or over-the-counter medications you are currently taking. Minor side effects may include nausea, vomiting, dry mouth, metallic taste, constipation or more frequent urination.
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