Category: H

  • Household poisons

    Toxins that are frequently present and utilized in households can often lead to accidental poisonings. These incidents make up roughly 2% of all severe home-related injuries. Young children tend to be the most commonly affected group. Household substances that are often ingested accidentally and lead to poisoning typically include cleaning supplies like detergents, bleach, and…

  • House dust mite

    The house-dust mite is a microscopic creature that is often found in residential environments and can trigger multiple allergic responses. In people who are susceptible, inhaling dust that includes the fecal matter of these mites can frequently lead to conditions like asthma, eczema, and allergic rhinitis. Mites thrive in environments that are warm and humid.…

  • Hot abscess

    A transient abscess, characterized by a collection of pus, is a condition of relatively short duration. However, it can lead to intense, painful inflammation, presenting as red, swollen, and warm to the touch.  

  • Holmes–Rahe questionnaire

    The survey, developed in the 1960s, is utilized to assess the relative levels of stress caused by various common life events. These events may include the loss of a partner, alterations in financial or social situations, and the occurrence of serious illness. On this scale, each potentially stressful event is assigned a specific score, with…

  • Holmes Adie pupil

    This condition is also referred to as Adie’s syndrome, where one eye experiences a dilated pupil (the circular opening in the center of the iris). The dilation might be irregular in shape. The affected pupil does not respond promptly to bright light, and even when trying to focus on different distances, it only partially responds.…

  • Histiocytosis X

    Langerhans cell histiocytosis, previously known as a rare childhood disease, involves an abnormal proliferation of a type of tissue cell called a histiocyte. The cause is not definitively known, but it likely stems from an immune system disruption. In its mildest form, the disease results in rapid cell growth in a single bone, often the…

  • Hindwaters

    The term “hindwaters” refers to the amniotic fluid that is released behind the baby’s leading part (usually the head) during pregnancy and childbirth. On the other hand, “forewaters” are the fluid present in front of the baby’s leading part, which can rupture or “break” before or during labor.  

  • Hidradenitis suppurativa

    This refers to the inflammation of the sweat glands in the armpits and groin caused by a bacterial infection. Abscesses form underneath the skin, leading to redness and pain in the affected area, which may also discharge pus. The condition is often recurrent and can eventually lead to scarring. Antibiotics may be used to mitigate…

  • Heroin abuse

    Heroin abuse refers to the illicit, nonmedical use of heroin. Drug abusers consume heroin in the form of a white or brownish powder, which they can smoke, sniff, or dissolve in water to inject. Heroin induces an analgesic effect and generates sensations of warmth, calmness, drowsiness, and a reduced concern for external events. Prolonged drug…

  • Hernia repair

    Hernia repair is a surgical procedure performed to address a hernia of the abdominal wall, especially if it causes pain or cannot be manually repositioned. In cases of a strangulated hernia, where the blood supply to a trapped part of the intestine is compromised, emergency surgery is necessary. During the surgical procedure, the protruding intestine…