iopamidol-250
Iopamidol-250 (Iopamidol) is a radiographic contrast agent.
Iopamidol · by Cook Imaging
Generic of Isovue-128
Key facts
- Active ingredient
- Iopamidol
- Drug class
- Radiographic Contrast Agent
- Form
- Injectable
- Strength
- Iopamidol 51%
- Type
- Prescription (Rx)
- Brand or generic
- Generic
- Manufacturer
- Cook Imaging
- FDA application
- ANDA074881
- Availability
- Discontinued (per FDA)
Drug class
How this class works, per Intravenous Contrast - StatPearls - NCBI Bookshelf.
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
A same-class option may cost less. See alternatives →
Frequently asked questions
- How does Iopamidol-250 work?
- Iopamidol-250 is a radiographic contrast agent. Radiographic contrast agents are imaging dyes, not treatments. They contain dense elements like iodine that absorb X-rays strongly, so the blood vessels or organs they fill show up bright and clearly outlined on an X-ray or CT scan.
- Is there a coupon or discount for Iopamidol-250?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Iopamidol-250. To pay less, Iopamidol-250 is already a generic — usually the lowest-cost version — so the main levers are comparing cash prices between pharmacies and using a pharmacy discount-card service. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
- Who makes Iopamidol-250?
- Iopamidol-250 is marketed by Cook Imaging. You can see Cook Imaging's full profile, rating, and other products on pharmaranks.
- Is Iopamidol-250 a brand-name or generic drug?
- Iopamidol-250 is a generic medication; its active ingredient is Iopamidol. Generics contain the same active ingredient as the brand-name original and are usually lower cost.
- Is Iopamidol-250 available over the counter?
- No. Iopamidol-250 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 Iopamidol-250 come in?
- Iopamidol-250 is currently marketed as injectable, per the FDA's National Drug Code Directory.
- What class of drug is Iopamidol-250?
- Iopamidol-250 is classified as radiographic contrast agent, per the FDA's Established Pharmacologic Class.
- Is Iopamidol-250 FDA-registered?
- Iopamidol-250 is on record with the U.S. FDA under application number ANDA074881. 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.
What people report to the FDA about IOPAMIDOL
The FDA Adverse Event Reporting System (FAERS) collects reports from patients and clinicians. It holds 1,393 reports naming IOPAMIDOL — the active ingredient in Iopamidol-250, and the FDA flagged 91% 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:
- nausea89 reports
- dyspnoea86 reports
- anaphylactic reaction67 reports
- vomiting67 reports
- drug reaction with eosinophilia and systemic symptoms65 reports
- pyrexia63 reports
- anaphylactic shock56 reports
- contrast media reaction47 reports
Read these as a signal, not a rate. A report does not mean IOPAMIDOL 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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