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A stimulus or agent which induces the state of irritation is an irritant. Irritants are typically thought of as chemical agents (for example phenol and capsaicin ) but mechanical, thermal (heat), and radiative stimuli (for example ultraviolet light or ionising radiations ) can also be irritants.
They differ from the anesthetics, analgesics, and antipruritic agents, however, in that the pain relief they produce results from stimulation—rather than depression—of the cutaneous sensory receptors and occurs in structures of the body other than the skin areas to which they are applied as for example, in joints, muscles, tendons and ...
Low humidity from air conditioning was found to be the most common cause of physical irritant contact dermatitis. [3] To the lay person a definition of low humidity being a physical irritant can be confusing because low humidity is a deficit (or absence) of an elemental substance, whereas all other irritants implicated in contact dermatitis are in concentrations of relative abundance.
Irritant dermatitis is usually found on hands whereas exposed areas of skin. Symptoms of both forms include the following: Red rash: This is the usual reaction. The rash appears immediately in irritant contact dermatitis; in allergic contact dermatitis, the rash sometimes does not appear until 24–72 hours after exposure to the allergen.
The main types of irritant and/or corrosive products are: acids, bases, oxidizers / reducing agents, solvents, and alkylants. Additionally, chemical burns can be caused by biological toxins (such as anthrax toxin) and by some types of cytotoxic chemical weapons, e.g., vesicants such as mustard gas and Lewisite, or urticants such as phosgene oxime.
Additionally, some studies have seen inflammation in the pancreas associated with GLP-1s, Kahn says, “and we know alcohol is a pancreatic irritant.” Think about why you’re drinking.
A New Jersey man accused of spraying police officers with a chemical irritant in the 2021 attack on the U.S. Capitol made an initial federal court appearance Monday and was ordered held without ...
For example, irritant dermatitis often occurs on the hands of those who frequently get them wet. [1] Allergic contact dermatitis occurs upon exposure to an allergen, causing a hypersensitivity reaction in the skin. [1] Prevention of atopic dermatitis is typically with essential fatty acids, [4] and may be treated with moisturizers and steroid ...