There are more reasons for nausea and vomiting before menstruation, which may be caused by premenstrual syndrome, chronic pharyngitis, gastritis and other reasons.
1. Premenstrual Syndrome (PMS): the imbalance of the ratio of estrogen and progesterone during menstruation is mainly manifested as lower abdominal pain before and after menstruation or menstruation, often accompanied by nausea, vomiting, diarrhea, etc., and repeated episodes with menstrual cycle.
2. Chronic pharyngitis: when chronic pharyngitis attacks before menstruation, due to the stimulation of inflammation, the pharyngeal secretion increases, the posterior wall of the pharynx due to the stimulation of secretion, irritating cough, and even cause nausea and vomiting and other phenomena.
3. Gastritis: it may be caused by Helicobacter pylori infection, irregular diet, etc., which may cause damage to the gastric mucous membrane, and nausea and vomiting, indigestion and other phenomena may occur after eating.
Nausea and vomiting before menstruation may also be caused by pregnancy, it is recommended to go to the hospital in time to do the relevant examination, under the guidance of a professional doctor to clarify the cause of the targeted treatment.