You need to help your body to build up your immune system.The breathing exercises - pranayam is a holistic approach creating extra oxygensupply in the body and will slowly help with the health problem.Do the pranayam to see the benefits.Build up your timing slowly and after two weeks at the suggested duration you will start to noticebenefits.
Bhastrika - Take a long deep breath into the lungs(chest not tummy) via the nose and then completely breathe out through the nose.Duration upto 5 minutes.
Kapalbhati -(Do it before eating)Push air forcefully out through the nose about once per second. Stomach will itself go in(contract in). The breathing in(through the nose) will happen automatically. Establish a rhythm and do forupto 30 minutes twice a day.(Max 60 min/day) Not for pregnant women. Seriously ill people do it gently.
Anulom Vilom - Close your right nostril with thumb and deep breath-in through left nostrilthen – close left nostril with two fingers and breath-out through right nostril
then -keeping the left nostril closed deep breath-in through right nostril
then - close your right nostril with thumband breath-out through left nostril.
This is one cycle of anulom vilom.
Repeat this cycle for 20 to 30 minutes twice a day(maximum 60 minutes in one day).
You can do this beforebreakfast/lunch/dinner or before bedtime or in bed.Remember to take deep long breaths into the lungs.You can do this while sitting on floor or chair or lying in bed.
Bhramri Pranayam -Close eyes. Close ears withthumb, index finger on forehead, and rest three fingers on base of nose touching eyes. Breathe in through nose. And now breathe out through nose while humming like a bee.
Duration : 5 to 10 times...