If You Notice This on Your Skin, Get a Blood Test, Experts Warn


BestLife /  Sarah Walsh

Your skin is your body’s largest organ, and while many of us focus on keeping it looking youthful and wrinkle-free, it could also be a vehicle through which other parts of your body signal that an illness or disease is brewing. Sudden onset of blistering, scaliness, discoloration, or a rash could point to an autoimmune condition, an allergy, a virus, or even heart disease. And if you notice a particular rash in one area in particular, it may be time to reach out to a doctor for some bloodwork. Read on to find out more about the unique facial rash that’s often misdiagnosed.

If you notice a red rash across your cheeks and the bridge of your nose, it could be a malar rash. Also known as a butterfly rash, according to the Mayo Clinic, this skin condition is often red, pink, or purple, and can appear as blotchy, scaly, smooth, or raised. While the butterfly rash may come and go within a period of days or weeks, it can be a symptom of a wide-range of underlying health problems, including lupus.

As Maryann Mikhail, MD, writes for GoodRx, the rash is actually considered a telltale sign of lupus. In fact, about 50 percent of all lupus patients develop a butterfly rash, according to Johns Hopkins Lupus Center.

Lupus is a complicated autoimmune disease that affects people’s skin in addition to their kidneys, brain, heart, lungs, and joints. According to the Mayo Clinic, other symptoms of lupus include fatigue, hair loss, sensitivity to light, dry eyes, brain fog, and joint pain.

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