If they have a history of having blood clots is a main reason. Possibly stroke, but I'm not positive. It just reduces the clotting factors in your blood.
Anticoagulant drugs such as Heparin, Warfarin, Rixaroxaban, Dabigatran, etc.
Reishi mushrooms have been reported to intensify the effects of blood-thinning (anticoagulant) drugs
Occlusions may be treated with anticoagulant (blood thinning) or thrombolytic (clot destroying) drugs.
Diet is a very important consideration because the amount of vitamin K in the body affects how anticoagulant drugs work.
To prevent additional heart attacks, aspirin and an anticoagulant drug often follow the thrombolytic drug.
Ibuprofen is a known anticoagulant.
An anticoagulant
An anticoagulant antagonist counters the effect of an anticoagulant, making it so that the medication can no longer stop clotting.
Heparin is the body's natural anticoagulant.
These drugs are used to induce (start) or continue labor.
Not to be taken by those with bleeding disorders or taking anticoagulant drugs. Increases the blood thinning activity of warfarin or aspirin.
The long-term use of antacids may decrease the efficacy of the vitamin, as can certain anticoagulants. Warfarin is an anticoagulant that antagonizes vitamin K.