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Phoslo

What are antacids, and how do they work?

Antacids are a class of drugs used to treat conditions caused by the acid that is produced by the stomach. The stomach naturally secretes an acid called hydrochloric acid that helps to break down proteins. This acid causes the contents of the stomach to be acidic in nature, with a pH level of 2 or 3. (pH levels are a measure of acidity in the stomach: the lower the number, the greater the acidity.) The stomach, duodenum, and esophagus are protected from acid by several protective mechanisms. When there is too much acid or protective mechanisms are inadequate, the lining of the stomach, duodenum or esophagus may become damaged by the acid, giving rise to various gastrointestinal symptoms such as abdominal pain, heartburn (due to gastroesophageal reflux disease or GERD), and other gastro-esophageal symptoms.

Antacids reduce acidity by neutralizing (counteracting) acid, reducing the acidity in the stomac...

Phoslo

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PHOSLO
(calcium acetate) Tablet

DRUG DESCRIPTION

Each white round tablet (stamped "BRA200") contains 667 mg calcium acetate, USP (anhydrous; Ca(CH3COO)2; MW=158.17 grams) equal to 169 mg (8.45 mEq) calcium, and 10 mg of the inert binder, polyethylene glycol 8000 NF. PhosLo Tablets (calcium acetate) are administered orally for the control of hyperphosphatemia in end stage renal failure.

What are the possible side effects of calcium acetate (PhosLo, PhosLo Gelcap)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Less serious side effects are more likely to occur, such as:

  • nausea, vomiting, loss of appetite;
  • constipation;
  • dry mouth or increased thirst; or
  • urinating more than usual.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect....

Read All Potential Side Effects and See Pictures of Phoslo »

What are the precautions when taking calcium acetate tablet (Phoslo)?

Before taking calcium acetate, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have a certain medical condition. Before using this medicine, consult your doctor or pharmacist if you have: a high blood calcium level (hypercalcemia).

Before using this medication, tell your doctor or pharmacist your medical history.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

This medication passes into breast milk but is unlikely to harm a nursing infant. Consult your...

Read All Potential Precautions of Phoslo »

Last reviewed on RxList: 5/27/2009
This monograph has been modified to include the generic and brand name in many instances.

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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