Red Spots on the Calf: Causes and Concerns - Dermatology

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Red spots on the calf?


I would like to ask Dr.
Jiang about my mother, who is 55 years old.
For several years, she has had red spots on her calves that are about one centimeter in size, resembling bruises.
They are red and the area is getting larger, exceeding the size of a ten-dollar coin.
Sometimes they itch, and after a while, new spots appear in different locations.
The original spots on her calves become a bit brownish after she scratches them.
Her legs also swell easily.
I advised her to see a doctor, but she refuses, and I am very worried.
I wonder what symptoms this could indicate and if it might be related to her internal organs.
When her legs are swollen, can I help her by massaging them? I appreciate your time in answering my questions.
Thank you very much.

Xiao Ju, 20~29 year old female. Ask Date: 2007/10/15

Dr. Jiang Zheen reply Dermatology


It may be a type of eczema known as nummular eczema, and it is best to consult a dermatologist for treatment.
For the swelling in your feet, it is advisable to see a family physician to rule out any underlying issues.
Elevating the lower extremities can help reduce the swelling.
Wishing you peace, and Jesus loves you.

Reply Date: 2007/10/15

More Info


The red spots on your mother's calves, which resemble bruises and have been increasing in size, could be indicative of several underlying conditions. Given her age and the symptoms you've described, it is essential to consider a few possibilities.

Firstly, these red spots could be a manifestation of a condition known as purpura, which is characterized by small blood vessels leaking blood into the skin. This can occur due to various reasons, including aging skin, certain medications (like blood thinners), or underlying health issues such as platelet disorders or vascular problems. The fact that the spots can be itchy and change locations suggests a possible inflammatory or allergic response, which could also be related to conditions like dermatitis or vasculitis.

The change in color to a brownish hue after scratching indicates that the spots may be undergoing a process of healing or could be related to post-inflammatory hyperpigmentation, which is common after skin irritation or injury. This is particularly relevant if your mother has been scratching the spots, as this can exacerbate the condition and lead to further discoloration.

Regarding her symptoms of edema (swelling) in the legs, this could be due to several factors, including venous insufficiency, where the veins struggle to send blood back to the heart, leading to fluid accumulation. Other causes could include heart, kidney, or liver issues, which can also lead to systemic fluid retention. It is crucial to address these symptoms, as they may indicate a more serious underlying condition.

As for your question about massage, gentle massage can sometimes help reduce swelling by promoting circulation. However, it is essential to be cautious. If there are underlying vascular issues or if the skin is broken or inflamed, massage could potentially worsen the condition. Therefore, it is advisable to consult a healthcare professional before proceeding with any massage therapy.

In terms of management and prevention, here are some recommendations:
1. Encourage Medical Evaluation: It is crucial for your mother to see a healthcare provider for a thorough evaluation. A dermatologist or a general practitioner can assess the spots and swelling, conduct necessary tests, and provide a diagnosis.

2. Monitor Symptoms: Keep track of any changes in the spots, such as size, color, or associated symptoms like pain or increased swelling. This information will be helpful for her healthcare provider.

3. Skin Care: Advise her to avoid scratching the spots, as this can lead to further irritation and potential infection. Keeping the skin moisturized may help reduce itching.

4. Elevate Legs: If she experiences swelling, elevating her legs can help reduce edema. This can be done by propping her legs up on pillows while sitting or lying down.

5. Diet and Hydration: Encourage a balanced diet and adequate hydration, as these can support overall vascular health. Reducing salt intake may also help manage swelling.

6. Avoid Tight Clothing: Wearing loose-fitting clothing can help improve circulation and reduce discomfort.

7. Regular Movement: Encourage her to engage in regular physical activity, as this can improve circulation and reduce the risk of venous issues.

In conclusion, while the symptoms you describe could be benign, they warrant further investigation to rule out any serious underlying conditions. Encourage your mother to seek medical advice, as early intervention can lead to better outcomes. Your concern for her health is commendable, and supporting her in seeking professional help is the best course of action.

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