In the case of dysmenorrhea, taking ibuprofen orally 1-2 times will not affect health, but prolonged eating will cause gastrointestinal symptoms and allergic reactions, so for women with stomach ulcers, ibuprofen is not recommended to be taken for a long time, usually no more than three days. Ibuprofen belongs to the calcium ion channel blocker, can relax smooth muscle, release the uterus spasmodic contraction dilate blood vessels, improve the uterus blood supply, so as to achieve the treatment of dysmenorrhea effect occurs. However, such a calcium blocker can cause a drop in blood pressure, tachycardia, cardiovascular dilation or cause adverse reactions such as headache and facial flushing to occur, and is not recommended to be taken orally for too long. When dysmenorrhea exists, it is also important to go to the hospital for an ultrasound to determine if it is secondary to dysmenorrhea, as endometriosis, chocolate cysts, and adenomyosis can all cause increased dysmenorrhea and require prolonged treatment and management with other medications.