What is the best treatment for aphasia? The best treatment for aphasia is speech and language therapy. Speech therapy involves number of sessions given in a shorter period of time, for some people, short and less sessions may be recommended. The treatment you receive depends on your general health and the difficulties you have with your speech language and social skills. For people with aphasia. Most rapid changes occur within few months after onset, but improvement can be seen for years. You can contact to your local speech and language pathologist for more and proper guidance.