myozyme
Pharmaranks rates Myozyme 3.6/5 for recall safety — an independent score from its FDA recall history and its manufacturer's record. Myozyme (Alglucosidase Alfa) is a medication used to treat Glycogen Storage Disease Type II.
Alglucosidase Alfa · by Genzyme
Based on 1 source · Recall-safety score from FDA recall history — this product's own recalls and its manufacturer's record. Not an efficacy or quality rating. methodology →
Key facts
- Active ingredient
- Alglucosidase Alfa
- Form
- Injectable
- Strength
- Alglucosidase Alfa 20MG/KG
- Type
- Prescription (Rx)
- Brand or generic
- Brand-name
- May treat
- glycogen storage disease type ii
- Manufacturer
- Genzyme
- FDA application
- BLA125141
May treat (source: NIH RxClass)
Dosage forms
Injectable
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
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Frequently asked questions
- What does Myozyme treat?
- Myozyme (Alglucosidase Alfa) may be used to treat glycogen storage disease type ii, 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.
- How is Myozyme rated?
- pharmaranks gives Myozyme a composite score of 3.6 out of 5, currently based on 1 weighted source (FDA regulatory recall-safety data weighted highest). See our methodology at /how-we-rate.
- Is there a coupon or discount for Myozyme?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Myozyme. 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 Myozyme?
- Myozyme is marketed by Genzyme. You can see Genzyme's full profile, rating, and other products on pharmaranks.
- Is Myozyme a brand-name or generic drug?
- Myozyme is a brand-name product with the active ingredient Alglucosidase Alfa.
- Is Myozyme available over the counter?
- No. Myozyme 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 Myozyme come in?
- Myozyme is currently marketed as injectable, per the FDA's National Drug Code Directory.
- Is Myozyme FDA-registered?
- Myozyme is on record with the U.S. FDA under application number BLA125141. You can verify this on its official FDA label.
- Has Myozyme been recalled by the FDA?
- Myozyme has no FDA recalls recorded under its own application in the openFDA enforcement database. Its recall-safety score reflects its manufacturer's overall recall record. This is general reference, not medical advice — check the FDA recall database for the latest alerts.
- Is Myozyme safe?
- There's no single safe-or-not verdict. pharmaranks gives Myozyme a recall-safety score of 72/100, based on its FDA recall history (no recalls under its own FDA application) — not an efficacy or side-effect rating. Review its FDA-label side effects and warnings before use, and always consult a licensed professional.
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.
What people report to the FDA about ALGLUCOSIDASE ALFA
The FDA Adverse Event Reporting System (FAERS) collects reports from patients and clinicians. It holds 412 reports naming ALGLUCOSIDASE ALFA — the active ingredient in Myozyme, and the FDA flagged 62% of those reports as serious. The effects reported most often — leaving out reports about overdose, misuse or the condition being treated, which dominate the raw list for common medicines:
- dyspnoea47 reports
- pyrexia42 reports
- fatigue38 reports
- drug effective for unapproved indication29 reports
- pneumonia28 reports
- malaise27 reports
- asthenia25 reports
- muscular weakness25 reports
Read these as a signal, not a rate. A report does not mean ALGLUCOSIDASE ALFA caused the effect — anyone can file one, and many describe people taking several medicines for several conditions. Crucially there is no denominator: FAERS does not record how many people took the drug, so these counts cannot be turned into “X% of patients” — a bigger number often just means a more widely used or more talked-about drug. Duplicates exist, and publicity drives reporting. For what is actually established, read the FDA label.
Source: openFDA drug/event (FAERS), retrieved September 25, 2026.
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myozyme
72/100