could you please tell me should she be taken asprin she alway tied she has a fast heartbeen eat so the doctor put her on walfern to. stop any clots shehas been falling asleep alot since starting this medcation she been on now for 5 week and she also been having dizzylike to knowness and lightheaded an THE LAST d she has had 2 TIA IN 2MONTH could you please tell me because her doctor said that taken asprin is ok but i disagreed with this and i like to understand this i feel that her condition has got worse because her blood is to thin