13 Surprising Causes of Constipation
Diabetes and neurological conditions
Diabetes can cause nerve damage that can affect a person’s ability to digest food, says Dr. Park.
Most people with advanced diabetes know they have it. Still, it’s reasonable to do a blood sugar test on someone who is regularly constipated, says Dr. Ginsburg.
Neurological conditions such as multiple sclerosis or Parkinson’s disease can cause constipation. Usually, though, "this goes with another symptom such as trouble urinating, double vision, or a gait problem," Dr. Ginsburg says.
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