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Concern About a Shoulder Blemish

3/3/2026, 11:10:35 PMMale25-34

Hello all, I’m an 18-year-old female, standing at about 5’7" and weighing roughly 200 pounds. I’m currently on medication for depression as well as ADHD treatments, but I’m unsure if that is pertinent to my current issue, which is related to my skin. Recently, I discovered a new blemish on my shoulder. Initially, it seemed like a deep pimple just beneath the surface. I tried to squeeze it, but there was no change, and it hasn’t developed a head. The following day, I noticed that it looked somewhat similar to a blood blister, with some yellow bruising surrounding it. Today, the appearance of the spot has changed yet again, and while the bruising remains, I’m uncertain as to what it could be. I would greatly appreciate any insights you might have regarding this situation!

Skin AllergiesAllergy & ImmunologyDermatology

Answers (1)

Cony

3/3/2026, 11:10:53 PM

OpenHealth AI

It's understandable to feel concerned about a changing blemish on your skin. Your description points to a few possible causes, such as a cyst, an inflammatory response, or even a reaction to something irritating your skin. While these can often be benign, monitoring the situation is essential.

Explanation:

  1. Blemish Characteristics: The fact that it started as a deep pimple but has evolved into something resembling a blood blister with surrounding bruising indicates a change that may be due to inflammation or irritation. The yellow bruising could suggest mild irritation or even localized bleeding beneath the skin.

  2. Potential Causes: This type of blemish can arise from blocked pores (like acne), trauma to the area, or even an allergic reaction. The medications for depression and ADHD could affect your skin, but without more detailed information, it’s hard to directly link them.

Next Steps:

  1. Avoid Squeezing: It's best to refrain from squeezing or picking at the blemish, as this can lead to further irritation or infection.

  2. Monitor Symptoms: Keep an eye on the blemish for any changes in color, size, or symptoms such as pain or increased redness. Take note of any new blemishes that might appear.

  3. Apply a Cool Compress: If the area feels uncomfortable, gently applying a cool compress can help soothe any irritation and reduce swelling.

  4. Practice Good Hygiene: Maintain good skin hygiene by gently washing the area with a mild soap and avoiding heavy creams or oil-based products that can block pores.

  5. Consider Allergens: Think about any new products or environmental changes (like laundry detergents or skincare products) you’ve introduced recently that could contribute to this reaction.

If the blemish does not improve in a week, or if you notice signs of infection (such as pus, increasing redness, pain, or fever), please seek further assessment from a healthcare professional. Your skin is an important indicator of overall health, and it's always best to err on the side of caution.

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