 [ Symptoms ] my dad had a problem with breathing and he has a cold skin he is 43 yearsold what should we do sorry for my bad english [ Disease ] maybe it never went away you can be a strep carrier and always test positive next time have a culture after you have been properly treated and see if it is gone if you are not a strep carrier you may be getting exposed from someone who is frequent strep infections or a strep carrier state may justify having tonsils removed since tonsils are usually the reservoir for this bacteria