This morning I coughed up a small amount of blood,i'm an A L S patient , on a number of medicines,also on oxygen 24 hours a day at 4.5 liters. i'm on warafin 5.5 mg a day,checked my INR today which is 1.9. informed my family doctor and waiting for a return call. yesterday morning and the afternoon I coughed and spit up blood. I'm not able to walk.
Could I possible have a blood clot forming the warafin is breaking it up?