Asanas traditionally used for various diseases

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Appendicitis:Start out with Sirsasana and Sarvangasana (combined with fasting and mild enemas and Blackberry leave tea), when pain is under control add Maha-mudra, Poorvottasana, Paschimottasana. (Warning: acute cases may require immediate surgery - see your doctor)
Asthma:Sirsasana and Sarvangasana, Maha-mudra, Uttanasana, Paschimottasana, Salabasana, Virasana, Paryankasana, Bhujangasana, Mukha Svanasana, Uttanapadasana, Poorvottasana, Pasasana, Dandasana, Dhanurasana, Ardha Matsyendrasana, Ustrasana.
Back problems:Maha-mudra, Sirsasana and Sarvangasana, Paschimottasana, Dhanurasana, Salabhasana, Parivartanasana, Marichyasana, Malasana, Svanasana, Dandasana, Mandalasana.
High Blood Pressure:Padmasana, Siddhasana, Halasana, Paschimottasana, Savasana.
Colitis:Maha-mudra, Sirsasana and Sarvangasana, Virasana, Paschimottasana, Yoganidrasana, Salabhasana, Uttanasana.
Constipation:Uttanasana, Paschimottasana, Sirsanana and Sarvangasana, Parivartanasana.
Cough:Sirsasana and Sarvangasana, Yoganidrasana, Maha-mudra, Paschimottasana, Uttanasana, Kurmasana.
Stomach and Intestinal problems:Uttanasana, Uddiyana, Paschimottasana, Utthita Trikonasana, Parivrtta Trikonasana, Parrsvakonasana, Marichyasana, Sirsasana and Sarvangasana, Yoganidrasana, Salabhasana, Dhanurasana, Bhujangasana, Mayurasana.
Siddhasana and Padmasana:The most essential asanas for the performance of Meditation are Siddhasana and Padmasana. Both sitting postures allow a person to sit with a straight spine without straining. They also have a tendency to calm and relax a person.
Sirsasana and Sarvangasana:These asanas are most essential for rejuvenation and to strengthen the brain, memory and concentration.