Complementary therapies that may reduce spasticity include stretching, range-of-motion exercises, swimming, yoga, massage and chair aerobics. You might also have your testosterone levels tested and get a general physical to rule out other biological causes. Take note of any improvements in your sex drive. If Baclofen is not the source of the problem, you should consider other potential causes. Desire disorders are difficult to define and diagnose, and a sex therapist can help you sort out contributing factors such as performance anxiety or the pressure to be sexual that many people with disabilities experience.