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zydelig

Pharmaranks rates Zydelig 3.6/5 for recall safety — an independent score from its FDA recall history and its manufacturer's record. Zydelig (Idelalisib) is a medication used to treat Lymphoid Leukemia, Non-Hodgkin Lymphoma.

Idelalisib · by Gilead Sciences Inc

72/100Limited · 1 source

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 →

Rated against independent regulatory sources·Last updated October 10, 2026·How we rate
Verified againstopenFDANIH DailyMedRxClass

Key facts

Active ingredient
Idelalisib
Form
Tablet
Strength
Idelalisib 100MG · Idelalisib 150MG
Type
Prescription (Rx)
Brand or generic
Brand-name
FDA application
NDA206545

May treat (source: NIH RxClass)

Dosage forms

Tablet

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

Ways to save

Ask for the generic

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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.

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Frequently asked questions

What does Zydelig treat?
Zydelig (Idelalisib) may be used to treat lymphoid leukemia, non-hodgkin lymphoma, 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 Zydelig rated?
pharmaranks gives Zydelig 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 Zydelig?
pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Zydelig. 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 Zydelig?
Zydelig is marketed by Gilead Sciences Inc. You can see Gilead Sciences Inc's full profile, rating, and other products on pharmaranks.
Is Zydelig a brand-name or generic drug?
Zydelig is a brand-name product with the active ingredient Idelalisib.
Is Zydelig available over the counter?
No. Zydelig 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 Zydelig come in?
Zydelig is currently marketed as tablet, per the FDA's National Drug Code Directory.
Is Zydelig FDA-registered?
Zydelig is on record with the U.S. FDA under application number NDA206545. You can verify this on its official FDA label.
Has Zydelig been recalled by the FDA?
Zydelig 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 Zydelig safe?
There's no single safe-or-not verdict. pharmaranks gives Zydelig 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 IDELALISIB

The FDA Adverse Event Reporting System (FAERS) collects reports from patients and clinicians. It holds 5,427 reports naming IDELALISIB — the active ingredient in Zydelig, and the FDA flagged 99% 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:

  • diarrhoea497 reports
  • pneumonia340 reports
  • pyrexia274 reports
  • fatigue245 reports
  • dehydration174 reports
  • asthenia167 reports
  • dyspnoea166 reports
  • nausea145 reports

Read these as a signal, not a rate. A report does not mean IDELALISIB 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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