搜尋結果
2022年12月8日 · Vertigo is a sensation of feeling off balance. If you have these dizzy spells, you might feel like you are spinning or that the world around you is spinning. Causes of Vertigo. Vertigo is...
2020年8月13日 · What Are Drug Interactions? When a medication works right, it boosts your health or helps you feel better. But a drug can bring on problems if it doesn't mix well with something else you put into...
- 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 ...
2022年11月8日 · What Is a Stye? If you have a small red bump, sometimes with a white head, inside or outside your eyelid, it's probably a stye. It looks like a pimple, and it might be sore. But it's not usually...
2022年12月16日 · Masturbation is the self-stimulation of the genitals to achieve sexual arousal and pleasure, usually to the point of orgasm (sexual climax). It is commonly done by touching, stroking, or...
2024年2月13日 · What Is Xanthelasma? Medically Reviewed by Whitney Seltman, OD on February 13, 2024. Written by Stephanie Watson. Who Gets It? What Causes It? How Is It Treated? When Should I Go to the Doctor? 2...
2023年8月28日 · Erectile dysfunction (ED) happens when a man has ongoing problems getting and keeping an erection. Without treatment, ED can make sex difficult. The problem is reported by 1 in 5 men, and that...
