Yes, you can get drug rehab treatment on the National Health Service (NHS) in the UK. The NHS provides a range of addiction treatment services, including detoxification, rehab, and aftercare programs. These services are provided free of charge or at a low cost, depending on your circumstances. However, waiting times for treatment may vary, depending on the location and the demand for the services. You can get more information on drug rehab services offered by the NHS by speaking to your GP or contacting a local drug treatment center.