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Menstruation is a woman's monthly bleeding, also called a period. When you menstruate, your body is shedding the lining of the uterus (womb). Menstrual blood flows from the uterus through the small opening in the cervix, and passes out of the body through the vagina. Most menstrual periods last from three to five days.
Menstruation is part of the menstrual cycle, which prepares your body for pregnancy each month. A cycle is counted from the first day of one period to the first day of the next period. The average menstrual cycle is 28 days long. Cycles can range anywhere from 21 to 35 days in adults and from 21 to 45 days in young teens.
Body chemicals called hormones rise and fall during the month to make the menstrual cycle happen.
In the first half of the cycle, levels of estrogen (the ...
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LYSTEDA™
(tranexamic acid) Tablets
LYSTEDA (tranexamic acid tablets) is an antifibrinolytic drug. The chemical name is trans-4-aminomethylcyclohexanecarboxylic acid. The structural formula is:
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Tranexamic acid is a white crystalline powder. It is freely soluble in water and in glacial acetic acid and is very slightly soluble in ethanol and practically insoluble in ether. The molecular formula is C8H15N02 and the molecular weight is 157.2.
Tranexamic acid tablets are provided as white oval-shaped tablets and are not scored. Each tablet is debossed with the marking “XP650.” The active ingredient in each tablet is 650 mg tranexamic acid. The inactive ingredients contained in each tablet are: microcrystalline cellulose, colloidal silicon dioxide, pregelatinized corn starch, povidone, hypromellose, stearic acid, and magnesium stearate.
Before taking tranexamic acid, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: bleeding in the brain (subarachnoid hemorrhage), history of blood clots (such as in the legs, lung, brain, eye), certain heart diseases (irregular heartbeat, heart valve problems), a certain serious blood clotting problem (disseminated intravascular coagulation-DIC), kidney problems (including blood in the urine), irregular menstrual bleeding of unknown cause.
Before having surgery, tell your doctor or dentist...
Last reviewed on RxList: 5/19/2011
This monograph has been modified to include the generic and brand name in many instances.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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