1. basically hypertension,asthma
are psychosomatic disorder
and esiflow has indirectly made you feel that your blood pressure is normal (by reducing the sympathetic action) i.e. calming the sympathetic overactivity.
2. be sure, sudden stoppage of medication may result in rebound hypertension
resulting in serious side/adverse effects, so don't stop unless told by your attending physician.
3. one doesn't know whether it was systemic action or additive action of the drugs prescribed (Ayurveda+Allopathy), so mixing two pathy will result in unnecessary drug interaction
(if any) and this may cause a sense of false belief in you.
4. stopping or changing Arbitel AM rest on you Physician.