The side effects of progesterone injection are mainly the following: 1. Patients may experience clinical symptoms such as dizziness, nausea and vomiting. Progesterone is a kind of progesterone, and progesterone can promote the physiological proliferation of breast, so the patient will have breast pain. 3, the patient may have edema, weight gain, liver and kidney function The patient may experience edema, weight gain, liver and kidney function damage, cardiovascular disease, hypertension, but the chance of such side effects is relatively low, and they usually do not occur after a short period of use. 4. The patient may experience allergic clinical manifestations such as hives and rashes.