Dear Doctors: Our 8-year-old son got sick with strep throat and had to miss a family camping trip. When my sister called to check on him, she asked me if I knew strep throat can cause obsessive-compulsive disorder. Is that really true? The strep was cured with antibiotics, and our son seems fine.
Dear Reader: Your sister is referring to a condition known as pediatric autoimmune neuropsychiatric dis…