Amphastar Pharmaceuticals, Inc. FDA Record

Warning letters, Form 483s, inspections, recalls and 510(k) clearances

Amphastar Pharmaceuticals, Inc. has 1 FDA recall, 14 inspections, 0 510(k) clearances and 0 compliance actions on record. No FDA warning letter addressed to "Amphastar Pharmaceuticals, Inc." is on file.

What these totals cover: FDA records filed under the name "Amphastar Pharmaceuticals, Inc." and its spelling variant "Amphastar Pharmaceuticals".

Latest recall
D-1124-2017 · Class II · Aug 15, 2017
Latest inspection
Nov 7, 2025 · VAI

Summary

Record counts and when each FDA source was last refreshed
RecordsCountLast refreshedSource as ofStatus
Recalls1Nov 8, 2026File dated Nov 3, 2026Current
510(k) clearances0Nov 8, 2026File dated Nov 2, 2026Current
Inspections14Nov 14, 2026Newest record Nov 5, 2026Current
Compliance actions0Nov 2, 2026Newest record Oct 29, 2026Current

FDA record by year

Amphastar Pharmaceuticals, Inc.'s FDA inspections, warning letters and recalls in each of the last 10 calendar years (2017 to 2026, 2026 so far).

Amphastar Pharmaceuticals, Inc.: FDA inspections per year 2017: 1 inspections120172018: 0 inspections020182019: 3 inspections320192020: 0 inspections020202021: 1 inspections120212022: 0 inspections020222023: 0 inspections020232024: 1 inspections120242025: 2 inspections220252026: 0 inspections02026
YearInspectionsOAIWarning lettersRecall recordsClass I
202600000
202520000
202410000
202300000
202200000
202110000
202000000
201930000
201800000
201710010

Inspections are counted by the date they ended, warning letters by the date FDA issued them and recall records by the recall start date. FDA lists one recall record per recalled product, so one recall event can add several.

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Recent recalls

1 recall record on Aug 15, 2017.

NumberClassProductDate
D-1124-2017Class IIKetorolac Tromethamine Injection, USP 30 mg/mL, packaged in 1 mL single-dose vials, Rx only…Aug 15, 2017

Recent FDA inspections

14 inspections from Aug 19, 2009 to Nov 7, 2025.

DateSiteProductClassificationFEI
Nov 7, 2025Rancho Cucamonga, CADrugsVoluntary Action Indicated (VAI)3002936358
Apr 3, 2025Rancho Cucamonga, CADrugsNo Action Indicated (NAI)3002936358
Mar 1, 2024Rancho Cucamonga, CADrugsVoluntary Action Indicated (VAI)3002936358
Jun 22, 2021Rancho Cucamonga, CADrugsNo Action Indicated (NAI)3002936358
Nov 22, 2019Rancho Cucamonga, CADrugsNo Action Indicated (NAI)3002936358
Nov 21, 2019Rancho Cucamonga, CADrugsNo Action Indicated (NAI)3002936358
Jul 25, 2019Rancho Cucamonga, CADrugsNo Action Indicated (NAI)3002936358
Mar 31, 2017Rancho Cucamonga, CADrugsVoluntary Action Indicated (VAI)3002936358
Aug 8, 2014Rancho Cucamonga, CADrugsVoluntary Action Indicated (VAI)3002936358
Mar 3, 2014Rancho Cucamonga, CADrugsNo Action Indicated (NAI)3002936358
Feb 6, 2013Rancho Cucamonga, CADrugsVoluntary Action Indicated (VAI)3002936358
Jun 28, 2012Rancho Cucamonga, CADrugsVoluntary Action Indicated (VAI)3002936358
May 6, 2011Rancho Cucamonga, CADrugsNo Action Indicated (NAI)3002936358
Aug 19, 2009Rancho Cucamonga, CADrugsVoluntary Action Indicated (VAI)3002936358
NAI
No objectionable conditions or practices were found during the inspection.
VAI
Objectionable conditions or practices were found, but the agency is not prepared to take or recommend any administrative or regulatory action.
OAI
Regulatory and/or administrative actions are recommended.

Look up the inspector observations behind these results with the FDA 483 search, or check for formal enforcement with the FDA warning letter search.

FDA-inspected facilities

1 inspected site, newest inspection first.

FacilityLocationInspectionsLatest
FEI 3002936358Rancho Cucamonga, CA14Nov 7, 2025

Amphastar Pharmaceuticals, Inc. and the FDA: common questions

Has Amphastar Pharmaceuticals, Inc. received an FDA warning letter?

No FDA warning letter addressed to the name "Amphastar Pharmaceuticals, Inc." is on file. This answer covers that name only: letters addressed to a related company name or to one of its sites are listed on that name's or site's own page.

Has Amphastar Pharmaceuticals, Inc. received an FDA Form 483?

FDA has not published a Form 483 for "Amphastar Pharmaceuticals, Inc." in its reading room. FDA publishes some Form 483s, not all of them.

When did the FDA last inspect Amphastar Pharmaceuticals, Inc.?

The most recent FDA inspection on file ended Nov 7, 2025 at Rancho Cucamonga, CA and was classified VAI. FDA has 14 inspections of Amphastar Pharmaceuticals, Inc. on file.

Has Amphastar Pharmaceuticals, Inc. had an FDA recall?

Yes. Amphastar Pharmaceuticals, Inc. has 1 FDA recall on record. The most recent started Aug 15, 2017.

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Sources: openFDA, FDA Data Dashboard, FDA.gov. Report a data issue: hello@regdatalab.com.