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What causes back pain, muscle pain and nausea? 7 possible conditions

See a list of possible causes in order from the most common to the least.



In hyperparathyroidism, the parathyroid glands make too much of their hormone. It affects a number of body systems and can cause skin changes, including brittle nails and itching.

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Porphyrias are rare types of genetic blood disorders in which patients have a defect in heme production, an important part of hemoglobin. Blisters are a sign of porphyria cutanea tarda, the most common type of porphyria.

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Typhus fevers are caused by a bacteria that is transmitted by bites from fleas, ticks, mites, and other arthropods. Rash is a common symptom of typhus.

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Poliomyelitis, or polio, is a highly contagious disease that is caused by a virus that attacks the body's nervous system. It is most likely to be contracted by children under five years old.

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West Nile Virus Infection (West Nile Fever)

Spread by mosquitos, West Nile virus symptoms can vary in severity. Diarrhea and abdominal pain usually appears within two weeks of infection.

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Endometriosis occurs when tissue from the lining of the uterus grows outside of it, forming growths on the ovaries and in the pelvic region.

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Yellow fever

Yellow fever is a serious, potentially deadly flu-like disease spread by mosquitoes. It's found mostly in Africa and South America. Symptoms of stage 3 yellow fever include abdominal pain, vomiting, and jaundice.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.