Skin Issues: When to See a Doctor for Arm and Body Concerns

Inner arm

1.
I have a rough feeling on the inner side of my arm, with tiny bumps that I didn't pay much attention to at first.
However, after some time, I took a closer look and noticed that while the surface appears normal, there are small white bumps along with fine white hairs growing out.
Some of these bumps look like tiny white comedones, and I can extract them with tweezers.
This issue is only present on my right arm, specifically 5 centimeters below the palm to the elbow.
There are also similar bumps on my abdomen, which are accompanied by hair and resemble comedones as well.
Some hair follicles have 2-3 hairs growing from the same pore, and they cover almost my entire abdomen, which looks very unattractive.
Should I see a doctor about this?
2.
Whenever I squeeze or scratch a certain area on my body, it reacts like a mosquito bite, forming a raised, itchy, and warm rash, similar to an allergic reaction (for example, when I scratch or squeeze small pimples or comedones on my back).
This reaction has only started occurring in the past few years.
How can I improve this condition?
3.
I previously had a large pimple on my buttocks that I intended to squeeze, but it didn't come out.
It later turned into a dark scar, and when I touch it, I can feel something hard inside, similar to a pimple.
I have several of these now.
Should I see a doctor?
4.
At the junction of my thighs and buttocks, I can feel small lumps, but they cannot be squeezed out.
I didn't have this issue before.
Is this normal?
5.
There is a noticeable odor coming from the dirt under my toenails.
Should I see a doctor about this?
6.
Occasionally, I notice small bumps at the base of my pubic hair.
Sometimes, I can squeeze out a pimple-like bump, while others appear white but cannot be extracted and do not go away.
Additionally, my genital area sometimes itches intensely, making it hard not to scratch.
What could be the cause of this, and should I see a doctor?

Huan, 10~19 year old female. Ask Date: 2016/12/10

Dr. Wu Yuxin reply Dermatology

If you have so many questions and online consultations are not resolving them, please seek medical attention as soon as possible if you are feeling distressed.

Reply Date: 2016/12/10

More Info

When it comes to skin issues, understanding when to seek medical advice is crucial for both physical and mental well-being. Based on your description, there are several concerns that warrant a closer look by a healthcare professional.

1. Rough Texture and White Bumps on the Arm: The rough texture and the presence of small white bumps that resemble pimples could be indicative of a condition known as keratosis pilaris. This benign condition occurs when keratin, a protein in the skin, clogs hair follicles, leading to small, raised bumps. While it is generally harmless, if the appearance bothers you or if there are changes in the skin, a dermatologist can provide treatments that may help smooth the skin's texture.

2. Itchy, Raised Areas After Scratching: The reaction you describe—areas becoming raised, itchy, and warm after scratching—sounds like a form of urticaria or hives. This can occur due to various triggers, including allergies, stress, or even physical stimuli like scratching. If this is a new development, it would be wise to consult a doctor, especially if the symptoms persist or worsen. They can help identify potential allergens or recommend antihistamines to alleviate the symptoms.

3. Persistent Bumps and Scarring: The deep-colored scars and hard bumps you mentioned after attempting to pop a pimple could be a sign of post-inflammatory hyperpigmentation or even cystic acne. If these bumps are painful or show signs of infection (such as increased redness, warmth, or pus), it is advisable to see a dermatologist. They can assess the bumps and recommend appropriate treatments, which may include topical or oral medications.

4. Lumps at the Thigh and Buttocks Junction: The "grainy" texture you feel in the area where the thigh meets the buttocks could be due to a variety of factors, including folliculitis (inflammation of hair follicles) or even friction from clothing. If these lumps are new and persistent, a medical evaluation would help determine the cause and appropriate treatment.

5. Odor from Toenails: An unpleasant odor from the toenails could indicate a fungal infection, especially if there are changes in the color or texture of the nails. Fungal infections can be persistent and may require antifungal treatments. It is advisable to consult a podiatrist or dermatologist for proper diagnosis and treatment.

6. Bumps and Itching in the Pubic Area: The presence of bumps in the pubic area, especially if they are itchy, could be due to several causes, including folliculitis, ingrown hairs, or even sexually transmitted infections (STIs). Given the sensitivity of the area and the potential for various underlying issues, it is essential to see a healthcare provider for a thorough examination and appropriate management.

In summary, while some skin conditions may be benign and self-limiting, others may require medical intervention. It is always better to err on the side of caution, especially if you notice changes in your skin, persistent symptoms, or if the condition is affecting your quality of life. A dermatologist or healthcare provider can offer a proper diagnosis and tailored treatment plan based on your specific symptoms and concerns. Remember, your skin is a reflection of your overall health, and taking care of it is essential for both physical and emotional well-being.

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