There is no treatment for the Down syndrome itself. Treatment is directed toward whatever health and other problems affected people may have. Educational strategies, occupational therapy, physical therapy, and early intervention services all may be helpful.
Side effects depend upon the treatment used. Open heart surgery, for example, has more side effects than treatment of ear infections.
In general, people who have Down syndrome function well in society. With good support systems, most can live fairly normal, productive lives.
Down syndrome does not get worse, except for the aging process mentioned earlier. Health screening for children and adults with Down syndrome involves regular hearing tests, thyroid function tests, eye tests, and follow-up for diagnosed health problems. Any new or worsening symptoms should be reported to the healthcare provider.