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Doctor insights on: What Would Cause Rapid Weight Loss And Irregular Periods

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Dr. Heidi Fowler
1,975 doctors shared insights

Losing Weight (Definition)

Many people resolve to lose weight in the New Year for different reasons. For those who are overweight or obese, there are many health benefits to losing weight. It can help decrease your chances of developing diseases including diabetes, heart disease, high blood pressure, osteoarthritis, and even certain types of cancer. Low-calorie diets combined with increased physical activity are thought to be most effective long term. The healthiest weight loss regimen, therefore, is one that consists of making lifestyle changes that incorporate a balanced diet ...Read more


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I'm 20 years old and I've always had irregular periods. I've lost 75lbs and my periods have gotten A LOT lighter. Could the weight loss cause this?

I'm 20 years old and I've always had irregular periods. I've lost 75lbs and my periods have gotten A LOT lighter. Could the weight loss cause this?

It is possible.: The main reason for light periods is change in hormone levels. Causes for what seems to be a light period can include: thyroid problems, eating disorders, excessive exercise, initial periods for a girl, use of an intrauterine device, oral contraceptives, perimenopause & implantation bleeding in early pregnancy which rarely occurs. ...Read more

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I have blood in my pee but don't know if it's due to spotting and weight loss/cardio and irregular periods. No pain at all ?

I have blood in my pee but don't know if it's due to spotting and weight loss/cardio and irregular periods. No pain at all ?

Hematuria: Hematuria refers to blood in urine. Gross hematuria means you can see it while microhematuria means you can't - just found it on testing. While it's common to have microhematuria discovered upon testing during menses, it's also possible for blood to drip into toilet & complicate matters. Weight loss shouldn't cause this, nor irregular periods. Intense cardio like running a marathon can. C ur doc. ...Read more

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I have irregular periods (early every month for the last 4-5 months), chronic headaches, bloating and gas (worse at the end of the night) weight loss?

I have irregular periods (early every month for the last 4-5 months), chronic headaches, bloating and gas (worse at the end of the night) weight loss?

Depression, Anxiety: I understand your distress. Irregular periods can be due to hormonal changes, changing birth control pills, IUD, overactive Thyroid and stress. Chronic headaches, bloating and gas are likely due to Anxiety. Weight loss is likely due to Depression or overactive Thyroid. See a Psychiatrist for Diagnosis, Therapy for stress in your life. Do Breathing and Music Relaxation, Yoga, Meditation , Exercise ...Read more

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21 yr old female, hair and weight loss, fatigue, irritated scalp, anxiety, high stress, irregular periods, mood swings, thin spots?

21 yr old female, hair and weight loss, fatigue, irritated scalp, anxiety, high stress, irregular periods, mood swings, thin spots?

Multiple poss,: Whatever the issue, stress may be resulting in or adding to the issue. Alopecea areata is hair loss that can be caused by stress, get on some zantac (ranitidine) 150mg. If no medical reason is found, and often there isn't ( adrenal insufficiency, thyroid, autoimmune dz) then Mirtazapine is a great drug for insomnia, appetite and mood/anxiety. It works well in those with your profile but you need to be seen. ...Read more

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Can being underweight be the cause of my irregular periods?

Can being underweight be the cause of my irregular periods?

Absolutely: Once one reaches a certain percentage below your ideal body weight, all sorts of bodily functions begin to shut down for self-preservation. Even atheletes without an eating disorder may find this to be the case, and it nearly universal with anoerxia as well as starvation from other causes. ...Read more

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I've been having pain in my right side for almost a month steady now. I have irregular periods, am overweight, have trouble losing weight and low appe?

I've been having pain in my right side for almost a month steady now. I have irregular periods, am overweight, have trouble losing weight and low appe?

It sounds like you: need to have a thorough examination by your primary care doctor and possibly a gynecologist. You may also need some lab work or other testing to help the doctor figure out the source of your pain and other signs and get you feeling better. ...Read more

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Two irregular periods, no period for this month, eating more but losing weight, tender nipples, sexually active, off birth control for two months ?

Two irregular periods, no period for this month, eating more but losing weight, tender nipples, sexually active, off birth control for two months
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Irregular periods: Irregular periods are one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If this is a recurring problem you should be evaluated. Infections ; hormonal changes can cause spotting. If there is a concern for pregnancy then do a home pregnancy test . There are many options available to help regulate the menstrual cycle. Schedule a visit. ...Read more

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Tingling & occasional throbbing in right pelvis since morning.Hormone imbalance run in the family, irregular periods & losing weight is hard.Pcod?

Tingling & occasional throbbing in right pelvis since morning.Hormone imbalance run in the family, irregular periods & losing weight is hard.Pcod?

Maybe: There is certainly a possibility of having that. And a large cyst could have formed on the ovary explaining the pain. But to truly know would require an evaluation with bloodwork, exams, and ultrasound to know for sure. ...Read more

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I am experiencing unintentional weight loss and irregular menstrual periods.

I am experiencing  unintentional weight loss and irregular menstrual periods.

Need to see doc.: Unintentional weight loss is always a concerning finding that requires and evaluation and testing coordinated by your local doctor. ...Read more

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No bowl mvmnt in 2 wks, skin texture changing, period gone, hair loss & rapid weight loss. What kind of danger am i in?

Depression: Your symptoms are serious enough to require personal attention of a general physcian and maybe a psychiatrist they are all related and working one a etiology will solve problems. ...Read more

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Hi! I have had a missed period with no other symptoms other than a rapid weight loss and no appetite. I haven't had sex at all and i am wondering if there is a serious issue?

Hi! I have had a missed period with no other symptoms other than a rapid weight loss and no appetite. I haven't had sex at all and i am wondering if there is a serious issue?

See answer: Rapid weight loss can cause you to miss a period due to hormonal changes. If the weight loss is unusual and not the result of dieting and exercise you should see your physician to see what the cause is. ...Read more

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Hi there i would like some advice i have been having heavy irregular menstruation,fatigue, weight loss and there are dark rings around my eyes.

Hi there i would like some advice i have been having heavy irregular menstruation,fatigue, weight loss and there are dark rings around my eyes.

Need to examine: It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor. Unintended weight loss needs to be investigated. Your fatigue may due to anemia and your doctor will be able to treat than after ascertaining the cause.
Wish you good health! ...Read more

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Not sleeping, irregular periods, violent coughing, insomnia, depression, anxiety, rapid heart beats, weight loss, difficulty breathing. What's wrong?

Not sleeping, irregular periods, violent coughing, insomnia, depression, anxiety, rapid heart beats, weight loss, difficulty breathing. What's wrong?

See your doctor: One possible cause is thyroid imbalance. Hyperthyroidism can cause insomnia, light or missed periods, shortness of breath, weight loss, change in appetite, nervousness ; other emotional reactions, palpitations, - as well as fatigue, irritability, sweating, loss of hair, loose stools, tremor ; weakness. ...Read more

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Weight loss, anxiety, irregular periods, heart palpitations, stomach cramps, back pain what could be the problem?

Weight loss, anxiety, irregular periods, heart palpitations, stomach cramps, back pain what could be the problem?

Complex prob: You need a full evaluation followed by blood work and imaging studies-you won't get a satisfactory answer in a 400 character limited internet forum with such issues. Start with your family doctor. Good luck. ...Read more

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Dr. Scott Keith
20 doctors shared insights

Lose Weight (Definition)

Many people resolve to lose weight in the New Year for different reasons. For those who are overweight or obese, there are many health benefits to losing weight. It can help decrease your chances of developing diseases including diabetes, heart disease, high blood pressure, osteoarthritis, and even certain types of cancer. Low-calorie diets combined with increased physical activity are thought to be most effective long term. The healthiest weight loss regimen, therefore, is one that consists of making lifestyle changes that incorporate a balanced diet ...Read more


Dr. Liesa Harte
263 doctors shared insights

Irregular Menstrual Periods (Definition)

Average women will have a period every 24-34 days. If you do not have a period within this range, you would be considered to have ...Read more