Can eczema cause bruising? (+1 evidences)

In this article, we will discuss if eczema can cause bruising. Eczema is a skin disorder that is characterized by itching, rashes, infection, and dry patches. 

Can eczema cause bruising?

Yes, sometimes eczema can cause bruising. However, bruising only occurs when the patient scratches their skin intensely and continuously. Most of the time, hyperpigmentation of skin caused by eczema is confused with bruising.

The sign of atopic eczema varies greatly in individual patients. In moderate eczema, there may just be little, sporadic itching patches of dry skin on the patient. In more severe cases, itching and inflammation occur all over the body. 

On the other hand, a bruise is formed when an incident does not break the skin but damages the small blood vessels. Sometimes the bruise can be itchy, although this itching could be linked to dry skin or the healing process itself.

How eczema sufferers may experience bruising?

Eczema is often treated with topical steroids. But like other medications, steroids have a range of side effects. One such side effect is the thinning of the skin due to inhibition of collagen synthesis in the dermis. 

Collagen is a protein that maintains the health, strength, and resilience of the skin, nails, and hair. If collagen is not synthesized properly then the skin will begin to show signs of thinning, ripping, and stretching. 

Once the thinning of the skin occurs, the chances of bruising also increase. When the patient scratches the thin skin, he is most likely to rupture the small blood vessels present in the dermis. In addition to the hyperpigmentation caused by eczema, pigmentation due to bruising will also appear on the scratched surface (1).

How to recognize eczema-induced bruising?

The following signs can help the patient identify eczema-induced bruising:

  • Initial symptoms: pain, swelling, and skin discolouration are the initial symptoms of eczema-induced bruising.
  • Skin discolouration: the bruise will be pinkish-red and can be very uncomfortable to touch.
  • Healing stage: as the bruise starts to heal it will first turn bluish. With time it will change the color to greenish-yellow and finally return to the original skin color.

What are the other symptoms of eczema?

Eczema can cause hyperpigmentation or hypopigmentation. This colour change might be confused with bruising. Hyperpigmentation occurs due to the release of melanin when the skin is scratched.

As darker skin has more melanin, hyperpigmentation is common in patients with darker skin. The patient should always consult a doctor before starting a new treatment. The symptoms of eczema include the following:

  • itchy rashes,
  • blister,
  • cracked skin,
  • swelling,
  • patches on the skin.

Skin discolouration can also occur once eczema has subsided. This is known as post-inflammatory pigmentation. Hypopigmentation (pityriasis alba) causes the patches of eczema to turn pinkish and dry. Again, this might be confused with bruising. 

How to manage and treat eczema-induced bruising?

Bruizing often goes on its own. The important thing is to lessen the occurrence of bruising, inflammation, and dryness caused by eczema. The following steps can help alleviate the eczema-induced bruising:

  • Stop scratching: it is difficult for the patient with eczema to stop scratching. However, scratching should only be gentle and less frequent.
  • Apply a moisturiser: keep the dry skin moisturized with a cream or lotion. Dry skin causes more itching than moisturized skin.
  • Ice pack: ice pack can reduce swelling and help soothe the pain. 
  • Topical steroids: only apply steroids on the dry patches of eczema. Use these steroids for the prescribed time and never use more than the prescribed quantity.
  • Good diet: include bioflavonoids, such as garlic, onion, green vegetables, and berries in the diet to reduce the chances of bruising. 
  • Supplements: Dietary supplements like Vitamin C, Vitamin K, and rutin have been shown to reduce the chances of bruising (2). 

Which other factors might cause bruising while having eczema?

Sometimes bruising can occur due to other factors, including:

  • Age: Elderly patients are more prone to getting bruises compared to adults. This happens because the skin produces less collagen and blood vessels become more fragile.
  • Injury: active lifestyle (sports), accident, falling, or bumping into something can cause bruising.
  • Sun damage: Long exposure to skin can weaken the walls of the blood vessels. This causes easy bruising. Use sunblock while going out to reduce skin damage.
  • Leukaemia: patient get bruises when they do not have enough healthy blood cells in their bone marrow. Hence, the body does not make enough platelets to clot.
  • Blood clotting disorder: antiplatelet drugs, such as warfarin, and blood thinners can cause easy bruising. 
  • Disease conditions: Some diseases like sepsis, thrombocytopenia, liver disease, haemophilia, and Vitamin C deficiency cause the patient to bruise easily.
  • Medicines: Some medicines like citalopram, aspirin, ibuprofen, and naproxen are known to cause easy bleeding and bruising.

The fact that I have had eczema for so long makes it easier to accept and manage, but it doesn’t make it any less painful. Try to comfort the area with moisturiser and an ice pack rather than bruising the dry patch. It is important that you scratch the area less frequently and keep your nails short.

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References

1.-

Abraham A, Roga G. Topical steroid-damaged skin. Indian journal of dermatology. 2014 Sep;59(5):456. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4171912/

2.-

Shah NS, Lazarus MC, Bugdodel R, Hsia SL, He J, Duncan R, Baumann L. The effects of topical vitamin K on bruising after laser treatment. Journal of the American Academy of Dermatology. 2002 Aug 1;47(2):241-4. https://www.sciencedirect.com/science/article/abs/pii/S0190962202000531