How do anticoagulants work, and how do they impact overall health?

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Anticoagulants, often called blood thinners, are medicines that stop blood clots from forming or keep existing ones from getting bigger. They work by interrupting the body's natural clotting process.

Types of anticoagulants

Warfarin blocks vitamin K, which your liver needs to make clotting factors. Direct oral anticoagulants (DOACs) are newer options like Dabigatran, Rivaroxaban, Apixaban, and Edoxaban. These directly block specific clotting factors such as thrombin or factor Xa. Heparin and low-molecular-weight heparins (LMWHs) activate antithrombin, a natural protein that prevents clotting.

They're usually prescribed for conditions like deep vein thrombosis (DVT), pulmonary embolism (PE), atrial fibrillation (AFib), and after a mechanical heart valve replacement.

Lifestyle adjustments while taking them

1. Diet: Foods like kale, spinach, broccoli, Brussels sprouts, and cabbage are fine in moderation; Limit alcohol, as it raises bleeding risk.
2. Other medicines: Anticoagulants can interact with prescriptions, over-the-counter drugs, supplements, and herbal products. Always tell your doctor everything you're taking.
3. Exercise: Avoid contact sports or anything with a high risk of falls or injury.
4. Travel: On long journeys, get up and stretch regularly; also consider compression stockings.
5. Follow-up: Keep all your appointments so your doctor can monitor how you're responding and adjust things if needed. Report any change in your health or medications.

Benefits of long-term use

1. Stops new clots from forming and keeps existing ones from getting any bigger.
2. Cuts the risk of serious problems like DVT, PE, stroke, and heart attack considerably.
3. Helps protect heart and circulation health in people with AFib, mechanical heart valves, or a past history of clots.
4. Offers real peace of mind, allowing a more active life without constant worry about clotting.

Risks of long-term use

1. Bleeding is the main concern, anything from minor bruising and nosebleeds to more serious gastrointestinal or intracranial bleeding.
2. Some people get side effects such as skin reactions, stomach upset, or allergic reactions. Report anything unusual to your doctor.
3. Regular blood tests are needed, INR checks for Warfarin, or specific tests for DOACs, to make sure the dose is right.
4. Interactions with other medicines, supplements, or herbal products can affect how well they work or raise bleeding risk.

I hope this helps.

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Regards.