Secondary erythromelalgia is a rare condition that is caused by an underlying medical condition or medication. It is characterized by episodes of burning pain, redness, and warmth in the hands and feet. Symptoms can be triggered by heat, exercise, or emotional stress. Treatment typically involves managing the underlying condition or medication, as well as medications to reduce pain and inflammation.

The main symptom of secondary erythromelalgia is Burning Pain in the feet, hands, or both. Other symptoms may include:

• Redness of the affected area

• Swelling of the affected area

• Increased sensitivity to heat

• Increased sensitivity to touch

• Tingling or Numbness in the affected area

• Muscle cramps

• Fatigue

• Weakness

• Difficulty walking or standing for long periods of time

The exact cause of secondary erythromelalgia is unknown, but it is believed to be related to an underlying medical condition or medication. Possible causes include:

- Diabetes

- Chronic kidney disease

- Autoimmune diseases such as lupus or rheumatoid arthritis

- Blood disorders such as polycythemia vera

- Certain medications, including niacin, beta-blockers, and calcium channel blockers

- Infections, such as Lyme disease

- Injury or trauma to the affected area

The treatments for Secondary erythromelalgia include:

1. Medications: Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, naproxen, and aspirin, can help reduce pain and inflammation. Other medications, such as calcium channel blockers, angiotensin-converting enzyme (ACE) inhibitors, and anticonvulsants, may also be prescribed to help reduce symptoms.

2. Physical Therapy: Physical therapy can help reduce pain and improve range of motion.

3. Surgery: In some cases, surgery may be necessary to remove the affected tissue or to repair damaged blood vessels.

4. Lifestyle Changes: Making lifestyle changes, such as avoiding triggers, wearing loose-fitting clothing, and avoiding hot environments, can help reduce symptoms.

The risk factors for Secondary erythromelalgia include:

1. Certain medications, such as nifedipine, verapamil, and beta-blockers
2. Certain medical conditions, such as diabetes, lupus, and rheumatoid arthritis
3. Certain genetic conditions, such as Fabry disease and familial Mediterranean fever
4. Certain infections, such as Lyme disease and HIV
5. Certain autoimmune disorders, such as Sjogren's syndrome and systemic lupus erythematosus
6. Certain blood disorders, such as polycythemia vera and thrombocythemia
7. Certain neurological conditions, such as multiple sclerosis and Guillain-Barre syndrome
8. Certain vascular conditions, such as Raynaud's phenomenon and Buerger's disease

Yes, there are medications that can help to reduce the symptoms of secondary erythromelalgia. These include calcium channel blockers, beta blockers, and anticonvulsants. Additionally, lifestyle changes such as avoiding triggers, wearing loose clothing, and keeping the affected area cool can help to reduce symptoms.