These sudden purple patches on my arms won’t stop appearing, and my doctor is booked until January. What’s happening?

The skin’s dermal layer contains blood vessels that are supported by collagen and elastin. As these proteins degrade with age, the vessels become more fragile. Minor bumps and injuries that wouldn’t have caused a bruise in younger years now lead to significant discoloration.

The thinning skin, coupled with decreased fat beneath the skin, offers less cushioning for these fragile vessels. This lack of protection makes even minor impacts more likely to result in purpura. Additionally, the skin becomes less elastic, meaning it doesn’t bounce back as easily from injuries, further contributing to the development of bruises.

Certain medications and supplements can exacerbate the development of purpura. Blood thinners, such as aspirin and warfarin, are commonly prescribed to older adults but can increase bruising by preventing blood from clotting normally. Nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen can also contribute to this issue.

Supplements such as fish oil, ginkgo biloba, and vitamin E, which have blood-thinning properties, may also increase the risk of bruising. It’s important to discuss any medications or supplements you’re taking with a healthcare provider to understand their potential impact on your skin.

While senile purpura is generally harmless, persistent or unusually large bruises can sometimes indicate more serious health issues such as coagulation disorders or platelet abnormalities. Conditions like thrombocytopenia, where the body lacks sufficient platelets, can cause excessive bruising.

If the purpura is accompanied by other symptoms like unexplained weight loss, fever, or prolonged bleeding, it might be a sign of an underlying condition that requires medical attention. It’s crucial to monitor these symptoms and seek medical advice if they occur.

While waiting for your doctor’s appointment, there are a few checks you can perform at home. Keep a bruise diary, noting when new patches appear, how long they last, and any associated activities. This information can be valuable for your healthcare provider.