INTRODUCTION:
Blood clotting is a natural and very important process in our body.When a cut or injury happens, blood clots aids stop bleeding and save our life.But sometimes, blood clots form inside blood vessels without injury.These clots can block blood flow and cause serious problems like:
Heart attack
Stroke
Deep vein thrombosis (DVT)
Pulmonary embolism
Many people think anticoagulants and antiplatelets are the same,
but this is wrong.
Both prevent blood clots,
But they act in different ways,
On different parts of clot formation.
Blood clot formation happens in two main steps:
Step 1: Platelet Plug Formation
Platelets are small blood cells
When a blood vessel is damaged, platelets:
Stick to the damaged area,Stick to each other,This forms a temporary platelet plug
Step 2: Clot Strengthening
Clotting factors (proteins in blood) become active,They form fibrin,
Fibrin makes the clot strong and stable.
What are Antiplatelet Drugs?
Antiplatelet drugs are medicines that prevent platelets from sticking together or prevent clot aggregation.
They act on Step 1 of clot formation.
How Antiplatelets Work :
Platelets normally become sticky during injury
Antiplatelet drugs:
Reduce platelet activation
Reduce platelet aggregation
This prevents formation of the platelet plug
Common Antiplatelet Drugs;
Aspirin,Clopidogrel,Prasugrel,Ticagrelor,
Among these, aspirin and clopidogrel are most commonly used.
Uses of Antiplatelet Drugs:
Antiplatelets are mainly used in arterial diseases, such as:
*Heart attack
*Stroke
*Coronary artery disease
*After angioplasty or stent placement
What are Anticoagulant Drugs?
Anticoagulant drugs are medicines that prevent clotting factors from forming fibrin.
They act on Step 2 of clot formation.
How Anticoagulants Work :
Clotting factors normally activate one after another
Anticoagulants:
Block this activation
Reduce fibrin formation
Common Anticoagulant Drugs:
Heparin,Warfarin,Apixaban,Rivaroxaban,Dabigatran.
Uses of Anticoagulant Drugs
Anticoagulants are mainly used in venous diseases, such as:
Deep vein thrombosis (DVT)
Pulmonary embolism
Atrial fibrillation
CONCLUSION:
Anticoagulants and antiplatelets are not the same drugs.Antiplatelets work on platelets,Anticoagulants work on clotting factors,Both prevent blood clots,but they act at different stages and are used for different diseases.
Should blood thinners be available as OTC drugs?