Difference Between Raynaud's Disease and Raynaud's Phenomenon

Raynaud's Phenomenon vs. Disease: A Clear Comparison

Raynaud's disease and Raynaud's phenomenon are conditions that affect blood flow to the extremities, causing colour changes, numbness, and pain. While they share symptoms, they differ in cause, severity, and risk. Raynaud's disease is typically mild and idiopathic, whereas Raynaud's phenomenon is secondary to other illnesses and may cause serious complications. Understanding the distinction is key for accurate diagnosis and treatment.

Key Differences Between Raynaud's Disease and Raynaud's Phenomenon

Here is an overview of a few differences between Raynaud’s disease and Raynaud’s phenomenon:

What is Raynaud’s disease or primary Raynaud's?

Raynaud's disease occurs without any underlying medical condition. It can be milder and inconvenient, but not necessarily dangerous. Here are a few categories of people who are mostly affected by it:

• Women aged between 15 and 30
• It often runs in families.
• More frequent in colder climates

What is Raynaud’s phenomenon or secondary Raynaud?

Secondary Raynaud's phenomenon occurs due to a complication of another disease, mostly autoimmune conditions like lupus, rheumatoid arthritis, scleroderma, etc. As compared to primary Raynaud's, this is more severe and fatal. It can lead to permanent damage in the affected tissues, like skin ulcers or even gangrene, if not managed.

Diagnosis of Raynaud’s Disease

To diagnose Raynaud's disease, the doctor will first ask about your medical history and symptoms and then conduct a physical exam. After that, tests are done to rule out other medical conditions that might be causing the symptoms. Here are a few tests that are done to diagnose Raynaud's disease:

• Erythrocyte Sedimentation Rate: This test showcases the rate at which the red blood cells fall to the bottom of a tube. If there is a faster-than-normal rate, then that can be indicative of autoimmune or inflammatory diseases.
• Antinuclear Antibodies Test (ANA): A positive test result is indicative of the immune system mistakenly attacking the body tissues.

Diagnosis of Raynaud’s Phenomenon

Several diagnostic tests can determine whether an individual is affected by Raynaud's phenomenon. If a doctor feels like a person has Raynaud's, then they conduct tests like:

• Nailfold Capillary Microscopy: The doctor examines the fingernails with a magnifier to observe the tiny blood vessels called capillaries. Any changes found in the capillaries indicate a secondary Raynaud.
• Blood Tests: These tests can help rule out underlying conditions like autoimmune diseases. For instance, lupus, rheumatoid arthritis, scleroderma and other disorders can cause Raynaud's.

Raynaud’s disease and Raynaud’s phenomenon share symptoms but differ significantly in cause, onset, and severity.

While Raynaud’s disease is typically mild and idiopathic, Raynaud’s phenomenon is secondary to underlying conditions and can lead to serious complications.

Accurate diagnosis through appropriate tests is essential for effective treatment and management, especially in cases of secondary Raynaud’s.