Serious causes behind unintentional weight loss

October 9, 2015

Unintentional weight loss is not normal and should set off warning bells in your head. Check your symptoms against this list and see a doctor for what steps to take to counteract it.

Serious causes behind unintentional weight loss

Have you been losing weight without trying to?

  • When your body speaks, you should listen. Sometimes it's easy to get distracted from paying attention to a problem when you're busy going through everyday life.
  • Even if you're losing weight and glad for it, if you're not actively shedding pounds, the weight loss may be a symptom of something more serious.
  • That's why diagnosis is a job for a doctor. But you can use the information here to help you decide how urgently you need to see one.

Weight loss accompanied by insomnia, unusual thirst, increased sweating, increased bowel movements and hair loss

  • Possible Causes: Hyperthyroidism (Graves' disease) or other hormone imbalance
  • Response: See your doctor, who will order a diagnostic blood test. If your thyroid is overactive, prescription medication can slow it down.

Weight loss after starting a new medication

  • Possible Causes: A side effect of medications such as sedatives, SSRI antidepressants and narcotic pain relievers
  • Response: Talk with your doctor about whether a different drug should be substituted. Side effects sometimes disappear after a few days or weeks of taking a medication.

Weight loss during a period of high stress or anxiety

  • Possible Causes: Anxiety or intense stress
  • Response: Look for ways to change whatever is causing the stress or anxiety. Relaxation techniques such as meditation, yoga and visualization can help you cope. Longer-lasting anxiety can be treated with therapy, medication or both.

Weight loss accompanied by feelings of sadness, fatigue, loss of interest in enjoyable activities or thoughts of suicide

  • Possible Causes: Depression
  • Response: See your doctor, who may refer you to a mental health professional for medication, therapy or both.

Weight loss accompanied by GI complaints

  • such as bloating, gas, constipation or diarrhea
  • Possible Causes: Celiac disease, an autoimmune disorder in which the gluten in wheat, rye and barley damages the intestines and decreases the body's ability to absorb nutrients
  • Response: See your doctor, who will order a diagnostic blood test or gastroscopy. Switching to a gluten-free diet is the only treatment.

Weight loss accompanied by intestinal pain and diarrhea or loose stools

  • Possible Causes: Ulcerative colitis or Crohn's disease, which prevent digestion and absorption of some of the food you eat
  • Response: See your doctor, who may recommend dietary changes, surgery or medication that reduces inflammation.

Weight loss accompanied by excessive thirst, fatigue, increased urination or poor wound healing

  • Possible Causes: Diabetes
  • Response: See your doctor, who will order a test to measure your blood sugar levels.

Weight loss with no other symptoms or accompanied by unexplained GI symptoms

  • such as bloating, abdominal pain, bloody urine, bloody stools or nausea
  • Possible Causes: Gastrointestinal cancer
  • Response: See your doctor, who will order diagnostic tests.
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