A thrombosed external hemorrhoid is an enlarged vein that can be seen and felt just beneath the skin around your anus. An external hemorrhoid affects the veins of the skin outside the anus. The ...

External hemorrhoids develop under the skin around the anus, causing swelling, pain, itching, and discomfort. In some cases, ...

External hemorrhoids can become uncomfortable as the overlying skin becomes irritated and deteriorates. If a thrombosis ...

You may be able to treat hemorrhoids at home with soothing wipes and creams. However, severe hemorrhoids may require medical treatment. Hemorrhoids (sometimes called piles) are swollen veins in ...

Deep vein thrombosis (DVT) is a significant health problem, leading to the hospital admission of over 250,000 Americans each year. Its most serious acute complication, namely pulmonary embolus ...

Acute anemia can develop due to a rapid drop in red blood cells (RBCs) after losing blood. The more blood a person loses, the more severe the anemia becomes. It usually occurs due to hemorrhage or ...

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Critical assessment of evidence to help you make decisions. Advice, rather than formal NICE guidance.

Stent thrombosis is subcategorized based on how long after the procedure it occurs: Acute stent thrombosis: This is a stent thrombosis that occurs within 24 hours of placement. Subacute stent ...