Doing Yoga with sciatica is tricky. A person who practices yoga for a few years if he feels it is possible to practice yoga as well dosed with selected postures may contribute to an improvement.
To do this, you’d better know what sciatica and avoid postures that aggravate! What are they?
Sciatica:
Sciatica generates a sharp pain (sciatica) [...]

The more tame body posture and feels in his intelligence, focused work – areas muscle to contract, stretching, breathing – that will be conducive to gradually improve posture:
# The work will be at the fair and safe.
# The body will be able to strengthen.
# Eventually, the posture can be taken without accommodation (but this is [...]