PhosLo Side Effects

Please note - some side effects for PhosLo may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

Side Effects of PhosLo - for the Consumer

PhosLo

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using PhosLo:

Nausea.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; constipation; fast, slow, or irregular heartbeat; increased thirst or urination; loss of appetite; loss of consciousness; mental or mood changes; muscle weakness; severe or persistent nausea; unusual tiredness; vomiting.

PhosLo Side Effects - for the Professional

Phoslo

In clinical studies, patients have occasionally experienced nausea during Phoslo therapy. Hypercalcemia may occur during treatment with Phoslo. Mild hypercalcemia (Ca>10.5mg/dl) may be asymptomatic or manifest itself as constipation, anorexia, nausea and vomiting. More severe hypercalcemia (Ca>12mg/dl) is associated with confusion, delirium, stupor and coma. Mild hypercalcemia is easily controlled by reducing the Phoslo dose or temporarily discontinuing therapy. Severe hypercalcemia can be treated by acute hemodialysis and discontinuing Phoslo therapy. Decreasing dialysate calcium concentration could reduce the incidence and severity of Phoslo induced hypercalcemia. The long-term effect of Phoslo on the progression of vascular or soft tissue calcification has not been determined.

Isolated cases of pruritus have been reported which may represent allergic reactions.

Side Effects by Body System

Dermatologic

Dermatologic side effects have included pruritus.

Gastrointestinal

Gastrointestinal side effects associated with mild hypercalcemia (calcium levels greater than 10.5 mg/dl) have included constipation, anorexia, nausea and vomiting.

Nervous system

Nervous system side effects associated with severe hypercalcemia (calcium greater than 12 mg/dl) have included confusion, delirium, stupor, and coma.

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