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Published on: 2/7/2026
A skin hematoma is a raised, firm bruise from blood pooling under the skin; in women it can be more common with hormonal changes, thinner skin with age, pregnancy, and certain medications, and it usually heals in 1 to 4 weeks with rest, cold then warm compresses, elevation, and good nutrition. There are several factors to consider, including warning signs that need medical care such as rapid growth, worsening pain, very tight or numb skin, signs of infection, bruising without injury, or any head injury, especially if you use blood thinners; see below for prevention tips, medication and supplement cautions, and timelines that can guide your next steps.
A hematoma is a collection of blood that pools outside of blood vessels, usually under the skin. It often looks like a deep bruise and may feel tender, swollen, or firm to the touch. While hematomas can happen to anyone, women may notice them more often or experience them differently due to hormonal changes, skin structure, medications, and certain health conditions.
This guide explains skin hematomas in women using clear, practical language based on well-established medical understanding from credible sources such as major health systems, national health services, and professional medical organizations.
A skin hematoma forms when small blood vessels break and blood leaks into nearby tissues. Unlike a simple bruise, a hematoma usually:
Over time, the body slowly reabsorbs the blood, and the color changes from dark purple or blue to green, yellow, or brown.
Women can develop hematomas for the same reasons as men, but several factors can increase the likelihood or visibility:
Hormonal influences
Estrogen can affect blood vessels and connective tissue, sometimes making vessels more fragile.
Thinner skin with age
As women age, skin and the fatty layer beneath it thin out, providing less protection for blood vessels.
Pregnancy and postpartum changes
Increased blood volume and pressure on veins can make bruising and hematoma formation more likely.
Medications
Women are more likely to use:
Nutritional factors
Low levels of vitamin C, vitamin K, iron, or protein can affect blood vessel strength and healing.
Even small bumps or pressure can cause a hematoma, especially if you:
Sometimes the injury is so mild that you don't remember it.
Hematomas can develop after:
Certain drugs increase bleeding risk:
Less commonly, frequent or unexplained hematomas may point to an underlying condition affecting blood clotting.
Most skin hematomas cause local symptoms only, such as:
These symptoms are usually not dangerous and improve gradually.
Healing time depends on the size, location, and your overall health.
The body slowly breaks down and absorbs the trapped blood. During this time, the color and firmness will change—this is a normal part of recovery.
Most skin hematomas can be managed at home with simple care.
Avoid taking pain relievers that increase bleeding risk unless your doctor says they are safe for you.
While most skin hematomas are harmless, it's important not to ignore warning signs.
In rare cases, internal bleeding can be serious. Head injuries deserve special attention, even if symptoms seem mild at first.
If you've experienced a head injury and are concerned about symptoms, you can use a free online Acute Subdural Hematoma symptom checker to help determine whether you need urgent medical evaluation.
As women age, spontaneous skin hematomas can occur more easily, especially on the arms and legs. This is often due to:
While common, these changes should still be discussed with a healthcare professional to rule out underlying issues and review medications.
Not all hematomas can be prevented, but risk can be reduced.
For many women, visible hematomas can be upsetting or embarrassing. This reaction is understandable. While cosmetic treatments are sometimes offered, most skin hematomas improve naturally with time. Patience and gentle care usually lead to good outcomes.
This information is meant to educate, not replace medical care. If you have symptoms that could be serious or life-threatening, or if something doesn't feel right, speak to a doctor or seek urgent medical care. Early evaluation can make a meaningful difference in outcomes and peace of mind.
(References)
* Stulberg DL, Mehlhorn AJ, Decherrie LV. Easy bruising in women: a common clinical problem. J Am Board Fam Med. 2012 Jan-Feb;25(1):108-14. doi: 10.3122/jabfm.2012.01.108. PMID: 22197669.
* Prystowsky PD, Khansa I. Review of Postoperative Hematoma Formation in Plastic Surgery: An Updated Summary of Causes, Prevention, and Management. Plast Reconstr Surg. 2022 Sep 1;150(3):655-665. doi: 10.1097/PRS.0000000000009400. PMID: 36074211.
* Parsi M. Easy Bruising in Women: A Practical Approach. Semin Thromb Hemost. 2019 Aug;45(5):486-491. doi: 10.1055/s-0039-1692120. Epub 2019 Jul 22. PMID: 31336440.
* Loo C, Lin P, Ho G, Wong K, Chang C, Chen M, Ho C. Hematoma Resolution: The Influence of Inflammation. Int J Mol Sci. 2023 Feb 28;24(5):4687. doi: 10.3390/ijms24054687. PMID: 36902263; PMCID: PMC10003058.
* Li T, Hu X, Hou H, Zheng M. Risk factors for hematoma formation following hyaluronic acid fillers: A systematic review and meta-analysis. Front Med (Lausanne). 2024 Jan 19;11:1301726. doi: 10.3389/fmed.2024.1301726. PMID: 38318728; PMCID: PMC10839071.
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