What are the possible side effects of progesterone? by Obria | Feb 1, 2022 | 0 comments Fatigue or drowsiness Heartburn Soreness at the injection site, if progesterone is given by injection Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.