** 1. since pemphigus vulgaris [PV] is an autoimmune disease which causes skin and mucous membrane [the lining of the mouth, nose, throat and genitals] to blister thus is the cause of difficulty in eating/drinking. PS.since Immune system is attacking its own cells thus is the reason to take steroids to suppress the immune system. 2. since she is suffering from last one and half year, thus she must have been diagnosed by a Dermatologist with necessary examination [Nikolsky s sign] and investigation [biopsy] 3. make sure there isn t any other autoimmune disease alongside, particularly myasthenia gravis [MG] 4. Researchers in Italy reported in 2011 that a diet rich in tannins could make the symptoms of PV worse, thus avoid: red wine, tea,cherries,strawberries, tropical fruit. 5. In very severe cases, she may require plasmapheresis in which antibodies attacking the skin is/are removed from blood. [option can be considered since not responding to any medicines] PS. keep a check on complications arising from PV: skin infections,sepsis, dehydration and seek medical help immediately 6. apart from medical management Rasayana [Immunomodulators] Drugs like Amalaki,Madhuka,shatavari, Guduchi, Ashwagandha, Piper longum,can be taken which helps in increasing the resistance of the body. PS. The Diet and Drugs should be aimed at to increase the Immune Power and resistance of the body, when the Dosha, Dhatus become Normal, the general condition of the patient Improves.