People with the following problems should avoid certain Asanas.

SIRASASAN: Prohibited for people with weak eyes, high blodd pressure, heart diseases and any gross ear problems.

VIPAREETHAKARANI,SARVANGASAN,SIRASASAN: Should be done with caution for people chronic Nasal Block.

BHUJANGASAN,SULABHASANA,DHANURASANA: To be avoided by persons with chronic liver illness with enlargement and splenic diseases.

UDHAYANI BANDH,NAULI: Should be avoided in severe heart diseases.

Generally it is advisable with specific illness to consult a doctor before blindly donig the Asanas. Hence it is recommended to do asanas under guidance of a teacher.