Doctor, What is the difference between Deriphyllin and AB Phyllin? My Mom is suffreing from chronic bronchial asthma for about four decades. She is type 2 DM and is on insulin injection. Sugar levels are normally controlled. Current medication: She takes Deriphyllin 150 mg twice a day. She is taking MDI seroflow 2 puffs each at 6am and 6pm, and MDI Tiova 2 puffs each at 6am and 6pm. She takes MDI Asthalin 2 puffs SOS. Inhalers are taken with the help of spacer. Very recently a new pulmonologist suggested that this is a bad treatment. Recommended to replace Deriphyllin with ABphyllin 100mg. Advised to stop TIOVA immediately as it is of no use in Asthma. Also told to reduce seroflow to one puff each at both times.