Acute mastitis usually takes 7 days to be cured, but there may be individual differences. Acute mastitis is mainly caused by milk stagnation, bacterial invasion and other factors, patients usually have symptoms such as breast swelling and pain, localized lumps, high fever, chills and so on. If treated with oral or intravenous antibiotics such as moxifloxacin hydrochloride, it can be cured in about 7 days, but the recovery time varies depending on the severity of the disease, the timing of the treatment, and the individual’s physical condition. Acute mastitis usually occurs 3 to 4 weeks after delivery, and if not treated in time may cause complications such as septicemia, which will affect your health. Patients can usually use penicillin, erythromycin and other drugs under the guidance of the doctor for timely treatment with a better prognosis.