Success of treatment varies, but most people with an anxiety disorder can be helped with professional care. Benefits of CBT are usually seen in 12 to 16 weeks. Medication may be a short-term or long-term treatment option, depending on severity of symptoms, other medical conditions and individual circumstances. It often takes time and patience to find the drug that works best for you. Treatment may be complicated if you have more than one anxiety disorder or if they suffer from depression, substance abuse, or other co-existing conditions. This is why treatment must be tailored specifically for each person.