A case report of eosinophilia associated with an etonogestrel implant

Progestogen hypersensitivity is a rare adverse effect of endogenous and exogenous progestogens. Etonogestrel implant is very effective for contraception; however, a few progestogen hypersensitivity cases have been reported. Here, we present a case of delayed-type progestogen hypersensitivity with marked eosinophilia against etonogestrel that resolved after implant removal. (C) 2021 Elsevier Inc. All rights reserved.

Automated summary

Progestogen hypersensitivity is a rare adverse effect of both endogenous and exogenous progestogens. While the etonogestrel implant is highly effective for contraception, there have been reported cases of progestogen hypersensitivity. This case study presents a delayed-type progestogen hypersensitivity with elevated eosinophils against etonogestrel, which resolved after removal of the implant.