Calphron Side Effects
Generic Name: calcium acetate
Note: This page contains information about the side effects of calcium acetate. Some of the dosage forms included on this document may not apply to the brand name Calphron.
Not all side effects for Calphron may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
For the Consumer
Applies to calcium acetate: oral capsule, oral solution, oral tablet
In addition to its needed effects, some unwanted effects may be caused by calcium acetate (the active ingredient contained in Calphron). In the event that any of these side effects do occur, they may require medical attention.
You should check with your doctor immediately if any of these side effects occur when taking calcium acetate:More common
- Abdominal or stomach pain
- dry mouth
- full or partial loss of consciousness
- incoherent speech
- increased urination
- loss of appetite
- metallic taste
- muscle weakness
- nausea or vomiting
- unusual tiredness
- weight loss
Some of the side effects that can occur with calcium acetate may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:More common
For Healthcare Professionals
Applies to calcium acetate: compounding powder, injectable solution, oral capsule, oral liquid, oral tablet
The most common adverse events were hypercalcemia, nausea, and diarrhea.[Ref]
Very common (10% or more): Hypercalcemia (16.3%)[Ref]
Hypercalcemia was usually asymptomatic or manifested as constipation, anorexia, nausea, and vomiting, and in 0.1% of patients caused confusion, delirium, stupor, or coma.[Ref]
Very common (10% or more): Nausea (14%), diarrhea (13.2%)
Common (1% to 10%): Vomiting
Uncommon (0.1% to 1%): Constipation[Ref]
Common (1% to 10%): Pruritus[Ref]
Uncommon (0.1% to 1%): Soft tissue calcification
Postmarketing reports: Edema, weakness[Ref]
Postmarketing reports: Dizziness[Ref]
1. "Product Information. Phoslyra (calcium acetate)." Fresenius Medical Care North America, Lexington, MA.
2. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
3. "Product Information. PhosLo (calcium acetate)" Braintree, Braintree, MA.
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