With time and physical therapy, some people can gain muscle strength. Others often can manage their symptoms through medication, lifestyle modifications, or use of orthopedic and respiratory equipment.
Myopathies aren’t caused by overexertion. However, exercise can aggravate some of the myopathies, because of mutations that change the way muscles respond to activity.
Restoring normal levels of the thyroid hormones can be achieved with anti-thyroid drugs, but sometimes requires partial or complete surgical removal of the thyroid (thyroidectomy).
Thyroid hormone levels can be brought up to normal with oral medication.