Why do some pimples bleed 2024?

As a dermatologist with years of experience in skin care, I've often been asked about the reasons behind various skin conditions, including the occurrence of pimples that bleed. It's a common concern, especially for those who are dealing with acne. Let's delve into the science behind why some pimples bleed and what can be done to prevent them.

Firstly, it's important to understand the basic anatomy of a pimple. A pimple, or acne, is a type of skin lesion that forms when hair follicles become clogged with oil and dead skin cells. This clogging creates an environment where bacteria can thrive, leading to inflammation and the formation of a pimple. The process begins with the sebaceous glands in the skin, which produce oil, or sebum, to help keep the skin moisturized. However, when there is an overproduction of sebum, combined with dead skin cells, a plug can form within the pore, trapping the sebum and creating a comedone, which is the medical term for a blackhead or whitehead.

The inflammation that occurs in pimples is due to the body's immune response to the bacteria. The immune system sends white blood cells to the area to fight off the infection, which can cause redness and swelling. This is the typical appearance of a pimple that we are all familiar with.

Now, when we talk about pimples that bleed, it's usually a result of the pimple being disturbed in some way. This can happen if the pimple is picked at or popped, which is not recommended. The act of popping a pimple can cause damage to the skin and the walls of the hair follicle. When this happens, the pressure applied can force the contents of the pimple, which include not only the pus but also blood, to be expelled. The blood is present because the inflammation has caused the blood vessels in the area to become more fragile and prone to rupture.

In addition to the physical damage caused by picking, there are other factors that can contribute to the formation of a blood-filled pimple. For instance, certain skin conditions or diseases that affect the blood vessels, such as rosacea or dermatitis, can make the skin more susceptible to bleeding. Furthermore, the use of certain medications or treatments that thin the blood can also increase the likelihood of bleeding when a pimple is disturbed.

To prevent pimples from bleeding, it's crucial to avoid picking or popping them. Instead, use over-the-counter treatments that contain benzoyl peroxide or salicylic acid, which can help to clear the pore and reduce inflammation. Keeping the skin clean and exfoliating regularly can also help to prevent the buildup of oil and dead skin cells that lead to pimples.

If you have a pimple that has already bled, it's important to keep the area clean and to avoid further irritation. Applying a cold compress can help to reduce inflammation and soothe the skin. If the bleeding does not stop or if the pimple becomes more inflamed, it's a good idea to consult with a dermatologist for further advice.

In conclusion, pimples that bleed are often a result of the skin being disturbed, but there are also underlying factors that can contribute to this occurrence. By understanding the causes and taking proper care of your skin, you can reduce the likelihood of experiencing this issue.

What causes a blood-filled pimple to form? ... In fact, blood-filled pimples happen as a result of the picking or popping of a regular pimple. The forced trauma to that area of the skin not only pushes out puss -- the white or yellow liquid bacteria -- but also blood where the skin or pimple is infected or irritated.Feb 13, 2017