Blood is usually a smooth-flowing fluid, carrying oxygen and nutrients to every cell. But sometimes, it becomes thicker than normal (medically called hyperviscosity or hypercoagulability). Thick blood doesn’t flow easily, which can slow circulation and raise the risk of blood clots.
Why Does Blood Become Thick?
Dehydration – Not drinking enough water reduces plasma volume, making blood denser.
High cholesterol & triglycerides – Excess fats in the bloodstream make it sticky.
High red blood cell count (Polycythemia) – Too many RBCs increase viscosity.
Diabetes & obesity – Alter blood composition and clotting tendency.
Smoking & alcohol – Damage vessels and disturb normal blood flow.
Certain medications or conditions – e.g., hormonal therapy, cancer, or genetic clotting disorders.
Symptoms to Watch For
Constant fatigue or low energy
Headaches, dizziness, or blurred vision
Tingling or numbness in hands/feet
Shortness of breath, chest discomfort
Unexplained blood clots or slow healing
Why It’s Dangerous
When blood is thick, the heart works harder to pump it. This can:
Increase blood pressure
Cause poor circulation → oxygen delivery is delayed
Lead to blood clots (Deep Vein Thrombosis, Pulmonary Embolism, Stroke, Heart Attack)
Put strain on the heart and brain
Prevention & Healthy Practices
Stay Hydrated: Drink 2–3 liters of water daily.
Eat Smart: Include fruits, vegetables, whole grains, omega-3 rich foods (fish, flaxseeds, walnuts).
Stay Active: Regular exercise improves circulation and prevents clot buildup.
Limit Smoking & Alcohol: Both increase clotting risk.
Manage Medical Conditions: Keep diabetes, cholesterol, and BP under control.
Regular Check-ups: Routine blood tests can detect early signs of thickening.
MBH/AB