Understanding the Most Common Blood Disorders

Your blood does a lot behind the scenes.

It carries oxygen, fights infection, and helps your body stop bleeding when you’re injured. When any part of that system isn’t working properly, it’s called a blood disorder.

Some blood disorders are mild and manageable. Others require more advanced care. The key is understanding what’s going on and getting the right treatment.

At Cancer Care Institute, Dr. Youram Nassir diagnoses and treats a range of blood disorders, helping patients manage symptoms and protect their long-term health.

Here’s a look at some of the most common blood disorders.

Anemia: when your body isn’t getting enough oxygen

Anemia is one of the most common blood disorders.

It happens when you don’t have enough healthy red blood cells — or enough hemoglobin — to carry oxygen throughout your body.

It technically means you have “low iron,” but you can also think of it as your body’s delivery system running low.

That’s why symptoms often include:

• Fatigue
• Shortness of breath
• Pale skin
• Feeling weak or lightheaded

There are many types of anemia, and treatment depends on the cause — whether that’s a nutrient deficiency, chronic condition, or another underlying issue.

Hemophilia: when your blood can’t clot properly

Hemophilia is a bleeding disorder.

People with hemophilia don’t have enough of certain clotting factors — the proteins that help your blood form clots and stop bleeding.

That means:

• Bleeding lasts longer than normal
• Bruising happens more easily
• Internal bleeding (especially in joints) can occur

While hemophilia is typically inherited, modern treatments can help control bleeding and allow people to live full, active lives.

Thrombotic disorders: when your blood clots too much

On the other end of the spectrum are thrombotic disorders — conditions where the blood forms clots too easily. These clots can develop in blood vessels and block normal blood flow.

Examples include:

• Deep vein thrombosis (DVT)
• Pulmonary embolism
• Certain inherited clotting conditions

These disorders matter because clots can travel through your bloodstream and cause serious complications.

In simple terms:

• Hemophilia = too much bleeding
• Thrombotic disorders = too much clotting

Both require careful management to keep the body in balance.

Other blood disorders you should know about

While anemia, hemophilia, and clotting disorders are among the most common, many other conditions affect the blood.

Platelet disorders

Platelets help your blood clot. When platelet levels are too low (thrombocytopenia) or don’t function properly, you may notice:

• Easy bruising
• Frequent nosebleeds
• Prolonged bleeding

Red blood cell disorders

Beyond anemia, other conditions affect red blood cells, such as:

• Sickle cell disease
• Thalassemia

These conditions can change the shape or function of red blood cells, affecting oxygen delivery throughout the body.

Bone marrow and blood production disorders

Your bone marrow produces blood cells. When that process is disrupted, it can lead to conditions like:

• Aplastic anemia
• Myeloproliferative disorders

These conditions can affect how many blood cells your body makes — and how well they function.

How we diagnose blood disorders 

Many blood disorders don’t cause obvious symptoms at first, which is why routine testing is important.

We often start with:

• Blood tests (like a complete blood count)
• Clotting studies
• Additional labs or imaging, depending on your symptoms

From there, we look deeper to identify the underlying cause — not just the symptoms.

How we treat blood disorders

Treatment depends on the specific condition, but the goal is always the same: restore balance.

At Cancer Care Institute, we may:

• Treat underlying causes (such as nutritional deficiencies)
• Prescribe medications to regulate clotting or blood production
• Monitor chronic conditions over time
• Coordinate specialized care when needed

Many blood disorders can be managed effectively, especially when they’re caught early.

If you’ve been experiencing symptoms like fatigue, unusual bleeding, or unexplained bruising, it’s worth taking a closer look.

Schedule an appointment with Cancer Care Institute in Los Angeles. We can help you understand what’s going on and create a plan to manage your condition with clarity and confidence.