Pet Recall Facts

Ingredients / Progesterone

Progesterone: FDA adverse event reports for pets

Reports received through June 26, 2026. Data and limitations.

1,084Total reports
7Dog reports
0Cat reports

FDA-approved products with this ingredient (Green Book)

All approved products with this ingredient, for any species.

Brand names come only from the Green Book. Brand names in FDA's public report data are masked, so counts cannot be attributed to any brand. Ingredient names in the reports are written many ways; we group them under one ingredient name and count each report once per ingredient (method).

Reports by year received

19902
19941
19951
19962
19975
19988
19994
200014
200111
200210
200338
200451
200538
200643
200742
200853
200960
201047
201148
201240
201324
201441
201527
201632
201725
201866
201950
202042
202154
202243
202387
202422
202538
202615

Species named in reports

Cattle624
Not given363
Sheep28
Human26
Goat21
Horse10
Dog7
Other Deer2

Signs reported after Progesterone

INEFFECTIVE, ESTRUS SYNCHRONIZ237
Lack of efficacy - NOS125
Death85
Implant, Abnormal73
Insert, Damaged64
Underfilling, Package60
Product Defect, General57
Containers, Damaged52
Rectal prolapse37
Device Defective NOS37
Insert, Abnormal36
No sign33
Tablets, Abnormal32
Vaginitis30
Anaphylaxis28
Uncoded sign27
Color, Abnormal25
Accidental exposure23
Dyspnoea20
INEFFECTIVE, WEIGHT INC19
Applicator, Abnormal19
INEFFECTIVE, ESTRUS INDUCTION19
Underfilling, Container19
Recumbency18
Hypersalivation17

Breeds named in reports

Mixed (Cattle)168
Aberdeen Angus162
Crossbred Bovine/Cattle74
Cattle (unknown)54
Holstein-Friesian also known as Holstein51
Cattle (other)31
Hereford cattle22
Simmental15
Cattle (unspecified)12
Sheep (unknown)10
Limousin7
Goat (unknown)7
Boer7
Charolais6
Beefmaster6

Reported outcomes

Outcome Unknown298
Died97
Recovered/Normal45
Ongoing13
Euthanized4
Recovered with Sequela1

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