Duromine pill is a drug primary used as an appetite suppressant, typically prescribed for individuals being at increased medical risk because of their weight.Duromine diet pill, being a phentermine-based weight-loss pill, is a synthetic stimulant. Generally, Duromine pill is supposed to have the same effect as Phentermine acting on your Central Nervous System.However, Duromine pill also contains Resin which is said to enable a slow release of phentermine ingredient, so that Duromine effect lasts all day.