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2024年6月3日 · Occipital neuralgia is a condition in which the nerves that run from the top of the spinal cord up through the scalp, called the occipital nerves, are inflamed or injured. You might feel pain in...
- 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5月17日 · Also known as impotence, erectile dysfunction (ED) is the inability to have or maintain an erection adequate for sex. If you have a penis, you are bound to experience ED at one time or another ...
2023年12月19日 · Men's Health Guide. Male Masturbation: 5 Things You Didn't Know. Medically Reviewed by Melinda Ratini, MS, DO on December 19, 2023. Written by R. Morgan Griffin. 1. Masturbation doesn't have the...
2023年6月24日 · Use WebMD’s Pill Identifier to find and identify any over-the-counter or prescription drug, pill, or medication by color, shape, or imprint and easily compare pictures of multiple drugs.
They can also answer any questions about medical terms or jargon on the drug packages. View Sources. Use WebMD’s Drug Interaction Checker tool to find and identify potentially harmful and unsafe...
2023年7月18日 · What Is Sex Drive? It seems like a simple question, but scientists still can’t agree on exactly what makes up sex drive or how to measure it in men or women. While hormones play a role, it’s not...
