Blood Spots on Arms: Causes and Treatment Options

Petechiae on the arm?

Hello, I started using a home hair removal device about 3 or 4 years ago, and I may not have controlled it well, which caused blood spots to appear in the pores on my arms.
They immediately heal after being picked, and there is no pain or anything like that.
I have not used the device for over two years, but it still hasn't healed on its own.
I would like to know if this is serious and if applying topical ointment could help.

Lulu, 10~19 year old female. Ask Date: 2021/11/15

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 understand the problem and to be able to address it.

Reply Date: 2021/11/15

More Info

Blood spots on the arms, often referred to as petechiae or purpura, can be concerning, especially when they persist over time. These spots are small, round, purple or red marks that appear on the skin due to bleeding underneath. They can occur for various reasons, and understanding the underlying cause is crucial for determining the appropriate treatment.

In your case, the blood spots on your arms may be related to the use of a home hair removal device. If the device caused trauma to the skin, it could lead to localized bleeding, resulting in the appearance of these spots. Even after discontinuing the use of the device, it is possible for the skin to retain some of the effects of that trauma, especially if the skin was sensitive or if there was repeated irritation.

Here are some potential causes for the blood spots you are experiencing:
1. Trauma or Injury: As mentioned, the use of a hair removal device may have caused micro-injuries to the skin, leading to petechiae. If the trauma was significant, it might take time for the skin to heal completely.

2. Vascular Issues: Conditions that affect blood vessels, such as vasculitis or thrombocytopenia (low platelet count), can also lead to the appearance of blood spots. These conditions may require medical evaluation and treatment.

3. Skin Conditions: Certain skin conditions, such as eczema or dermatitis, can lead to changes in the skin that might resemble blood spots. Inflammation and irritation can cause capillaries to break, leading to bleeding under the skin.

4. Medication Side Effects: If you are taking any medications, particularly blood thinners or corticosteroids, these can increase the likelihood of bruising and bleeding.

5. Underlying Health Issues: In some cases, persistent blood spots can indicate an underlying health issue that may need to be addressed. Conditions affecting blood clotting or platelet function can lead to increased bleeding tendencies.

Regarding treatment options, here are some suggestions:
- Topical Treatments: While over-the-counter creams or ointments may help with skin healing, they are unlikely to specifically target the blood spots. However, moisturizing the area can help improve skin health overall.

- Avoiding Further Trauma: It is essential to avoid any further irritation to the affected area. This includes refraining from using harsh hair removal methods or any products that may irritate the skin.

- Consulting a Dermatologist: If the blood spots persist or worsen, it is advisable to consult a dermatologist. They can perform a thorough examination, possibly recommend blood tests, and determine if there is an underlying condition that needs treatment.

- Monitoring: Keep an eye on the spots. If they change in size, color, or if you experience any other symptoms (such as pain, swelling, or bleeding elsewhere), seek medical attention promptly.

In summary, while the blood spots on your arms may not be immediately serious, especially if they are not accompanied by other symptoms, it is essential to monitor them and consult a healthcare professional if they persist. A dermatologist can provide a more accurate diagnosis and recommend appropriate treatment options based on your specific situation.

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