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phoslo

Phoslo (Calcium Acetate) is a blood coagulation factor used to treat Hypocalcemia, Chronic Kidney Failure, Postmenopausal Osteoporosis.

Calcium Acetate · by Fresenius Medcl Care

Available as a generic: Calcium Acetate

Not yet rated· sourced from the FDA label
Rated against independent regulatory sources·Last updated June 7, 2026·How we rate
Verified againstopenFDANIH DailyMedRxClass

Key facts

Active ingredient
Calcium Acetate
Form
Capsule, Tablet
Strength
Calcium Acetate 333.5MG · Calcium Acetate 667MG
Type
Prescription (Rx)
Brand or generic
Brand-name
FDA application
NDA021160
Availability
Discontinued (per FDA)

Drug class

May treat (source: NIH RxClass)

Dosage forms

Capsule and Tablet

The forms currently marketed in the U.S., per the FDA National Drug Code Directory.

Ways to save

Ask for the generic

Same active ingredient, far cheaper. Is there a generic? →

Request a 90-day supply

Bulk fills usually lower the per-dose price vs monthly refills.

Use copay cards

Manufacturer copay cards & patient-assistance programs — especially for brand drugs.

Compare alternatives

A same-class option may cost less. See alternatives →

Frequently asked questions

What does Phoslo treat?
Phoslo (Calcium Acetate) may be used to treat hypocalcemia, chronic kidney failure, postmenopausal osteoporosis, based on NIH RxClass drug-classification data (conditions a drug may treat — not a verbatim copy of the FDA-approved label). This is general reference, not medical advice.
Is there a coupon or discount for Phoslo?
pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Phoslo. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
Who makes Phoslo?
Phoslo is marketed by Fresenius Medcl Care. You can see Fresenius Medcl Care's full profile, rating, and other products on pharmaranks.
Is Phoslo a brand-name or generic drug?
Phoslo is a brand-name product with the active ingredient Calcium Acetate. Lower-cost generic equivalents containing Calcium Acetate are available — ask your pharmacist.
Is Phoslo available over the counter?
No. Phoslo is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
What forms does Phoslo come in?
Phoslo is currently marketed as capsule and tablet, per the FDA's National Drug Code Directory.
What class of drug is Phoslo?
Phoslo is classified as blood coagulation factor, phosphate binder, per the FDA's Established Pharmacologic Class.
Is Phoslo FDA-registered?
Phoslo is on record with the U.S. FDA under application number NDA021160. You can verify this on its official FDA label.

Information is sourced from public FDA regulatory data. Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.

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