Parkinson's Disease - Complications

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Restless legs syndrome, an irresistible urge to move the calves, which often occurs at night, affects many patients. However, Parkinson's disease itself does not seem to increase the risk for RLS. Nor does RLS early in life predispose to Parkinson's later on. The common connection between RLS and Parkinson's disease may derive from iron deficiencies that can play a role in both conditions.

Many patients also suffer from nighttime leg cramps. And, some of the medications cause vivid dreams as well as waking hallucinations.

Impaired Sexuality. Although Parkinson's disease and its treatments can cause compulsive sexual behavior, the disease can also affect patients' self-esteem and inhibit sexuality. This is an area not often studied but which is important for many patients' well-being. A 2000 study reported that not only did sexual dysfunction occur, but also affectionate touching and expression of feelings were reduced, even though both partners maintained a desire for intimacy.

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Worsened Sense of Smell. The sense of smell is impaired in about 70% of patients.

Increased Risk for Other Medical Conditions

Osteoporosis. Parkinson’s disease may increase the risk for low bone density and osteoporosis. Both men and women are at risk. Experts recommend that patients with Parkinson’s disease get tested for osteoporosis, especially if they have problems with walking.

Review Date: 05/22/2006
Reviewed By: Harvey Simon, MD, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).