An additional thought for you: your son might like to read any or all of the following books:
Talking Back to OCD (by John Marsh)
Touch and Go Joe (by Jow Wells and Isobel Heyman)
A Thought Is Just A Thought (by Leslie Talley)
This diagnosis and treatment are very recent, and it's important to be realistic about your expectations for improvement. You are doing well by arranging treatment, both medication and therapy, and these will be effective over time. If you display impatience and disapproval, your son's condition will worsen because you will be placing pressure on him. Be patient and supportive. Imagine he had a severely broken leg, and was thus unable to walk for a while. Would this place some strains on the family? Yes, because you would have to extend yourself for him for a time. But you would not be pressuring him to get better. Think of the OCD the same way. You are doing the caring, responsible thing by getting him help. That's good. Now give him time as he tries to master this challenge. It takes time, and he needs your understanding.
Thank you for taking the time to respond to my post.