Whether or not tranexamic acid can be taken during menstruation depends on the circumstances. Tranexamic acid is a hemostatic drug that can be used to stop bleeding if you have a very heavy period; it is not recommended if you do not have a heavy period. Contraindications need to be excluded from taking the medication and follow the doctor’s instructions to avoid adverse reactions. Tranexamic acid is a drug that inhibits the fibrinolytic system and is used for all kinds of bleeding caused by acute or chronic, limited or systemic primary hyperfibrinolysis. It can be used for traumatic or surgical bleeding of the brain, uterus, thyroid and other organs rich in fibrinogen activator, and pathologic intrauterine localized hyperfibrinolysis such as menorrhagia. When women come to menstruation, the menstrual flow increases and there are a lot of blood clots, taking tranexamic acid can play a role in reducing bleeding and achieve the purpose of stopping bleeding. It is not recommended if the menstrual flow is not heavy. Combining oral contraceptives, estrogen, or plasminogen complex concentrates with tranexamic acid increases the risk of thrombosis. Tranexamic acid should be taken with care that it is contraindicated in people who are allergic to any of the components of tranexamic acid preparations, in people with acquired color vision disorders, in people with active intravascular coagulation, in people with a history of convulsions, in people with severe renal insufficiency. The use of medication should follow the doctor’s instructions, if there is any doubt or abnormalities, it is recommended to consult a doctor in time to clarify the condition and timely targeted treatment.