<p><strong>Hemorrhoids, also called piles, are <a href="https://en.wikipedia.org/wiki/Sinusoid_(blood_vessel)">vascular</a> structures in the <a href="https://en.wikipedia.org/wiki/Anal_canal">anal canal</a>. In their normal state, they are cushions that help with <a href="https://en.wikipedia.org/wiki/Human_feces">stool</a> control. They become a disease when <a href="https://en.wikipedia.org/wiki/Swelling_(medical)">swollen</a> or <a href="https://en.wikipedia.org/wiki/Inflammation">inflamed</a>; the unqualified term "hemorrhoid" is often used to refer to the disease.<a href="https://en.wikipedia.org/wiki/Hemorrhoid#cite_note-World09-8">]</a> The signs and symptoms of hemorrhoids depend on the type present. Internal hemorrhoids often result in painless, bright red <a href="https://en.wikipedia.org/wiki/Hematochezia">rectal bleeding</a> when <a href="https://en.wikipedia.org/wiki/Defecation">defecating</a>. <a href="https://en.wikipedia.org/wiki/External_hemorrhoids">External hemorrhoids</a> often result in pain and swelling in the area of the <a href="https://en.wikipedia.org/wiki/Anus">anus</a>. If bleeding occurs, it is usually darker. Symptoms frequently get better after a few days. A <a href="https://en.wikipedia.org/wiki/Skin_tag">skin tag</a> may remain after the healing of an external hemorrhoid.</strong></p>
<p><strong>Piles</strong> is another term for <strong>hemorrhoids</strong>. ... <strong>Piles</strong> are collections of tissue and vein that become inflamed and swollen. The size of <strong>piles</strong> can vary, and they are found inside or outside the anus. <strong>Piles</strong> occur due to chronic constipation, chronic diarrhea, lifting heavy weights, pregnancy, or straining when passing a stool...</p>