Hello!
Really sorry to know about your state. And it is nice to know that you wish to seek help. I can understand how troublesome OCD can be. To answer your question, YES OCD can be controlled without medication. Honestly, you wont be able to work on it without an expert by your side. Have you ever tried therapy? If not, do give it a try. There are extremely effective ways to cure OCD with therapy as well.
Next Steps
Give therapy a try. Im sure it will make a big change. Do connect with me, I can help you combat the situation with effective methods.
Health Tips
Try to divert your attention every time you feel the urge to clean or wash.