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[1] [4] Complications can include swelling of the brain or lungs, seizures, low blood sugar, or cardiac arrest. [1] While usually due to aspirin, other possible causes include oil of wintergreen and bismuth subsalicylate. [2] Excess doses can be either on purpose or accidental. [1] Small amounts of oil of wintergreen can be toxic. [2]
Aspirin is non-selective and irreversibly inhibits both forms [4] (but is weakly more selective for COX-1 [5]). It does so by acetylating the hydroxyl of a serine residue at the 530 amino acid position. [6] Normally COX produces prostaglandins, most of which are pro-inflammatory, and thromboxanes, which promote clotting.
Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration. The bruise then remains visible until the blood is either absorbed by tissues or cleared by immune system action. Bruises which do not blanch under pressure can involve capillaries at the level of skin, subcutaneous tissue, muscle, or bone ...
Aspirin helps prevent blood clots from forming, which is the leading cause of heart attack and stroke, but the drug also carries a risk of bleeding. That risk can outweigh aspirin’s benefits in ...
For a small number of people, taking aspirin can result in symptoms including hives, swelling, and headache. [206] Aspirin can exacerbate symptoms among those with chronic hives, or create acute symptoms of hives. [207] These responses can be due to allergic reactions to aspirin, or more often due to its effect of inhibiting the COX-1 enzyme.
The serious symptoms of Reye syndrome appear to result from damage to cellular mitochondria, [14] at least in the liver, and there are a number of ways that aspirin could cause or exacerbate mitochondrial damage. A potential increased risk of developing Reye syndrome is one of the main reasons that aspirin has not been recommended for use in ...
Salicylate overdose can occur in people without salicylate sensitivity, and can be deadly if untreated. For more information, see aspirin poisoning . Salicylates are derivatives of salicylic acid that occur naturally in plants and serve as a natural immune hormone and preservative , protecting the plants against diseases , insects , fungi , and ...
Aspirin-exacerbated respiratory disease (AERD), also called NSAID-exacerbated respiratory disease (N-ERD) or historically aspirin-induced asthma and Samter's Triad, is a long-term disease defined by three simultaneous symptoms: asthma, chronic rhinosinusitis with nasal polyps, and intolerance of aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs).