What are the symptoms of drug-induced menorrhagia?

Symptoms of DRUG-INDUCED MENORRHAGIA are: (1) Abnormal period length or flow. (2) Excessively heavy periods

Drug-Induced Menorrhagia Quiz

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Reviewed By:

Ravi P. Chokshi, MD (Obstetrics and gynecology (OBGYN), Critical Care)

Current Maternal Fetal Medicine Fellow with Dual board certification in Obstetrics & Gynecology and Critical Care Medicine. | 5+ years experience managing a general Ob/Gyn practice and working in the Intensive Care Unit. | Previously Physician Lead of a large single specialty practice with 8 Physicians and 10+ Advanced practitioners. | Member of the Society of Maternal Fetal Medicine Patient education committee. | Frequent Medscape Consult contributor.

Seiji Kanazawa, MD, PHD (Obstetrics and gynecology (OBGYN))

Dr. Kanazawa graduated from the Niigata University Faculty of Medicine and received his Ph.D. from the Tohoku University Graduate School of Medicine. He is working on the front line of the General Perinatal Center, including the Tokyo Tama General Medical Center and the National Center for Research in Fertility Medicine, where he provides maternal and fetal care and undertakes clinical research. At Ubie, Dr. Kanazawa has been designing the Ubie AI Symptom Checker and has taken on the role of general obstetrics and gynecology consultation at FMC Tokyo Clinic by providing fetal ultrasound and prenatal consultation.

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Decreased period bleed
Long periods
Menstruation is very short
Periods are very short
Lighter periods
Period lasting longer than usual
Periods last only 2 days

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Learn more about Drug-induced menorrhagia

Content updated on Oct 10, 2023

What is drug-induced menorrhagia?

Abnormally heavy menstrual periods caused by blood-thinning medications, such as Aspirin and Warfarin.

Symptoms of drug-induced menorrhagia

Abnormal period length or flow
Excessively heavy periods

Questions your doctor may ask to check for drug-induced menorrhagia

Your doctor may ask these questions to diagnose drug-induced menorrhagia

Are your periods abnormal e.g. in duration or amount of bleeding?
Do you have heavy menstrual bleeding which requires you to change a pad more than every hour? Or do you have clots?

Treatment for drug-induced menorrhagia

Life-threatening bleeding may require medication and blood transfusions, and in some cases even surgical treatment. Stopping the blood-thinning medications may be needed but the risks of doing so have to balanced against the reason for being on such medications (example - prevention of stroke or heart attacks). These risks and benefits should be discussed with the appropriate specialist. (RPC reviewer comment - you may want to add an additional section for drug induced abnormal uterine bleeding, as then hormonal contraception, copper IUD etc would need to be reviewed. This is a much more common clinical scenario than heavy bleeding on blood thinners)