Human Worms Condition_symptoms Where Can We Have A Stool Test Done To Check For Worms In Human?

Where can we have a stool test done to check for worms in human? - human worms condition_symptoms

I think my son has worms, and shows all the symptoms. I asked my doctor if you see it, but said that they have to present any evidence. He developed irregular white patches on the skin, fatigue and weight loss.