“One thing to keep in mind is that if you’re using a preparation with topical antibiotics, a significant number of people are allergic to bacitracin and neomycin,” she explained. It will help us get a sense of the evolution of the rash.” Certain remedies and treatments can make a rash worseĪlso, Kroshinsky counseled, keep in mind that the preparations you use to treat your skin condition might make things worse. “This will tell us what it looked like before you started treating it with bacitracin or hydrocortisone. “It can be helpful when you come in to see us since the rash could have changed by then,” she explained. Lyme disease patient with a characteristic bulls-eye rash. If you’re not ready to see your doctor, Kroshinsky suggested taking a photo of your rash. If you develop a circular-shaped rash and you’re in an area where Lyme disease is endemic, you should get it checked out, Ferris said. “You can look at the skin as a window to the inside of the body,” she explained.ħ. Purple spots that appear on your hands and feet could be a sign of a bacterial infection of the heart, Kroshinsky said. Rashes that start to blister should send you straight to the doctor’s office, unless you have good reason to suspect you’ve come in contact with poison ivy, both experts noted. “For example, if this happens within two weeks of starting a new medication, the concern would be a reaction to the medication,” Ferris said.ĥ. It can be a sign a major allergic reaction. “Signs of an infection include warmth and pain, yellow or green cloudy discharge and a bad odor.” “Some rashes start out completely benign, but then a secondary infection develops because the integrity of the skin, which is a barrier against potential pathogens, has been disrupted,” she explained. You might have an infection, Kroshinsky said. Blood tests to show if the blood vessels are inflamed.It might be a symptom of vasculitis and you need to get that looked at because your clotting cells might not be working right, Kroshinsky explained.In some cases, the doctors can only decide on a diagnosis once other conditions have been ruled out and after several specific tests or investigations have been performed such as those below. This may mean it takes a while to achieve a clear diagnosis.Īs the disease can affect various parts of the body, a multidisciplinary approach is often needed with input from several different doctors in GOSH. Vasculitis can be difficult to diagnose and may have many symptoms that can look very similar to those of other diseases. Some types of vasculitis which mainly affect older patients are not described on this page. There are other forms of vasculitis where it is not clear into which category they fit, but these are very rare in children and will be recognised by specialised children’s doctors. Some types of vasculitis affect mainly the skin and others can affect internal organs with more serious complications. Large artery – includes Takayasu’s arteritis.Medium artery – includes Polyarteritis Nodosa, Kawasaki disease.Small artery – includes Granulomatosis with polyangiitis (GPA), Churg-Strauss syndrome. Small vessel – usually involves the skin such as Henoch-Schönlein Purpura.There are many types of vasculitis and they are usually defined by the size of the blood vessels which are involved. On rare occasions, vasculitis may cause the wall of a blood vessel to weaken and develop a bulge (aneurysm) that can rupture and bleed. If the blood flow through the blood vessels is reduced or stops, the tissue may begin to die. The inside of the blood vessel may also narrow, which reduces the amount of blood able to flow through it or it may become blocked by a blood clot. If a larger blood vessel becomes inflamed, it may swell to produce a lump that you can feel under the skin. When a small blood vessel becomes inflamed, it can break and bleed into the surrounding tissue, causing small red or purple dots on the skin. There are arteries (which carry blood away from the heart), veins (which carry blood to the heart) and capillaries (tiny blood vessels) through which the blood travels to all tissues and organs. This page from Great Ormond Street Hospital (GOSH) explains about vasculitis, what causes it and how it can be treated.īlood is carried around the body in tubes or vessels these are different in size and have different names. Vasculitis is a word used to describe various diseases causing inflammation of the blood vessels.
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