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Other signs and symptoms of Prader-Willi syndrome may include: 1  Nearsightedness (myopia) and other vision problems. 2  Light skin and hair compared with other family members. 3  High pain tolerance, making it difficult to identify injury or illness. 4  Problems regulating body temperatures during fever or in hot and cold places.
Narrow Your Search: Add a 2 Symptom. Choose another medical symptom from the list below to search in addition to the already chosen symptoms to narrow the list of potential disease causes shown: 1  AND Muscle symptoms (79 matches). 2  AND Musculoskeletal symptoms (61 matches). 3  AND Movement symptoms (59 matches). 4  AND Head symptoms (49 matches).