Red Dot Issues: Causes and Concerns in Dermatology - Dermatology

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Red spot issue


Hello, doctor.
I previously noticed small pinpoint red spots on my skin, similar to being dotted with a red marker, about ten on my hands.
About a year ago, I had three swollen lymph nodes in my neck, but the doctor examined them and said there was no issue, and that I shouldn't worry about them.
My blood tests were also normal (I have thalassemia).
Could you please tell me what might be causing these red spots? Is it a blood issue or a skin issue?

Zhuó, 10~19 year old female. Ask Date: 2018/10/27

Dr. Wu Yuxin reply Dermatology


Without actually seeing the lesion, it is impossible to determine the issue.
If it is very concerning, please seek medical attention as soon as possible.
A proper examination is necessary to identify the problem and determine how to address it.

Reply Date: 2018/10/27

More Info


Hello! Thank you for your question regarding the red dots you’ve observed on your skin. Based on your description, these red dots, which resemble small pinpoint blood spots, could potentially be a condition known as petechiae. Petechiae are tiny, flat red or purple spots that appear on the skin due to bleeding underneath the skin. They can be caused by a variety of factors, and understanding the underlying cause is crucial for appropriate management.


Possible Causes of Petechiae
1. Vascular Issues: Petechiae can occur when small blood vessels (capillaries) break, leading to bleeding under the skin. This can happen due to physical trauma, such as a hard cough, vomiting, or even straining during bowel movements.

2. Infections: Certain viral infections, such as viral hemorrhagic fevers, can lead to the appearance of petechiae. Other infections, including meningitis, can also cause similar symptoms.

3. Blood Disorders: Conditions that affect blood clotting, such as thrombocytopenia (low platelet count), can lead to the formation of petechiae. This can be due to various reasons, including bone marrow disorders, certain medications, or autoimmune diseases.

4. Allergic Reactions: Some allergic reactions can cause small blood vessels to leak, resulting in petechiae.

5. Other Medical Conditions: Conditions such as vasculitis (inflammation of blood vessels), certain types of cancer (like leukemia), or even liver disease can manifest with petechiae.


Your Medical History
Given your history of swollen lymph nodes and the fact that you have been diagnosed with "oceanic anemia," it’s essential to consider how these factors might relate to your current symptoms. While your blood tests came back normal, it’s important to follow up on any persistent symptoms, especially if they change or worsen.


Recommendations
1. Consult a Dermatologist: Since you are noticing these red dots, it would be wise to consult a dermatologist who can examine your skin and provide a more accurate diagnosis. They may perform a physical examination and possibly recommend a biopsy or other tests to determine the cause.

2. Monitor Symptoms: Keep track of any changes in the appearance of the red dots, such as whether they increase in number, change color, or if you experience any other symptoms like fever, fatigue, or unusual bruising.

3. Blood Tests: If you haven’t had a complete blood count (CBC) recently, it may be beneficial to have one done to check your platelet levels and overall blood health.

4. Avoid Self-Diagnosis: While it’s tempting to search for answers online, self-diagnosing can lead to unnecessary anxiety. It’s best to rely on professional medical advice.


Conclusion
In summary, the appearance of red dots on your skin could be due to a variety of causes, ranging from benign to more serious conditions. Given your medical history, it’s essential to seek further evaluation from a healthcare professional who can provide personalized advice and treatment options. Remember, early intervention can often lead to better outcomes, so don’t hesitate to reach out for help. Take care!

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