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2022年7月25日 · Mpox (formerly known as monkeypox) is a viral disease from the same family as smallpox, though its symptoms usually aren't as serious. Scientists have known about it since 1958, when it was found...
- Overview
- Epidemiology
- Prognosis
- Causes
- Signs and symptoms
Henoch-Schonlein purpura (HSP) is a disease involving inflammation of small blood vessels. It most commonly occurs in children. The inflammation causes blood vessels in the skin, intestines, kidneys, and joints to start leaking. The main symptom is a rash with numerous small bruises, which have a raised appearance, over the legs or buttocks.
Although HSP can affect people at any age, most cases occur in children between the ages of 2 and 11. It is more common in boys than girls. Adults with HSP are more likely to have more severe disease compared to children.
HSP usually ends after four to six weeks -- sometimes with recurrence of symptoms over this period, but with no long-term consequences (recurrences are fairly common). If organs such as the kidneys and intestines are affected, treatment is often needed and it is important to have regular follow-up to prevent serious complications.
The exact cause of HSP is not known. The body's immune system is believed to play a role in targeting the blood vessels involved. An abnormal immune response to an infection may be a factor in many cases. Approximately two-thirds of the cases of HSP occur days after symptoms of an upper respiratory tract infection develop. Some cases of HSP have be...
The classic symptoms of HSP are rash, joint pain and swelling, abdominal pain, and/or related kidney disease, including blood in urine. Before these symptoms begin, patients may have two to three weeks of fever, headache, and muscular aches and pains. Rarely, other organs, such as the brain, heart, or lungs, may be affected. Rash. The rash usually ...
2024年4月30日 · Mononucleosis Symptoms. 8 min read. What Is Mononucleosis? Mononucleosis is an infectious illness that’s usually caused by the Epstein-Barr virus (EBV). It’s also called mono or "the kissing...
2022年11月22日 · The most common symptoms are: Intense itching, especially at night. A pimple-like rash. Scales or blisters. Sores caused by scratching. 3/19. Scabies or Something Else? In its early...
2023年6月6日 · Bipolar II disorder (pronounced "bipolar two") is a form of mental illness. Bipolar II is similar to bipolar I disorder, with moods cycling between high and low over time. However, in bipolar II...
2023年9月7日 · 13 min read. What Is Glaucoma? Glaucoma is a condition that damages your eye's optic nerve, and it gets worse over time. It's often linked to a buildup of pressure inside your eye. Glaucoma tends...
2023年9月12日 · 2 min read. A burp or belch can help ease an upset stomach. But if it happens often, it can be a sign of a health problem. If you burp a lot, it's probably time to find out why. Why Does It Happen?...
