Something to be aware about Pradaxa (Dabigatran) 

 According to FDA guidelines, Dabigatran potency get highly effected by enviromental humidity. Dabigatran is available both in bottles and in blister packs. Once a bottle of dabigatran is opened, the medication expires after four months. In commercially supplied Dabigatran the bottle-cap contains a humectant to reduce the humidity and prevent degradation of the medicine. Similarly, once the blister pack is open, drug degenrates in about 4 months.