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Thiamazole, also known as methimazole, is a medication used to treat hyperthyroidism. [2] This includes Graves disease, toxic multinodular goiter, and thyrotoxic crisis. [2] It is taken by mouth. [2] Full effects may take a few weeks to occur. [3] Common side effects include itchiness, hair loss, nausea, muscle pain, swelling, and abdominal ...
Metamizole has a potential of blood-related toxicity (blood dyscrasias), but causes less kidney, cardiovascular, and gastrointestinal toxicity than non-steroidal anti-inflammatory drugs (NSAIDs). [11] Like NSAIDs, it can trigger bronchospasm or anaphylaxis, especially in those with asthma. [14]
The most common drugs in this class are thioamides, which include propylthiouracil, methimazole and its prodrug carbimazole. Additionally, propylthiouracil may reduce the de-iodination of thyroxine (T 4) into triiodothyronine (T 3) in peripheral tissues. [2] Lugol's iodine is used to temporarily block thyroid hormone synthesis before surgeries. [3]
In 40 CFR 156.62, the EPA established four Toxicity Categories for acute hazards of pesticide products, with "Category I" being the highest toxicity category (toxicity class). Most human hazard, precautionary statements, and human personal protective equipment statements are based upon the Toxicity Category of the pesticide product as sold or ...
The use of assessment factors allows for laboratory, single-species and short term toxicity data to be extrapolated to conservatively predict ecosystem effects and accounts for the uncertainty in the extrapolation. The value of the assessment factor is dependent on the uncertainty of the available data and ranges from 1-1000. [1] [6] [7]
Thyrotoxic myopathy (TM) is a neuromuscular disorder that develops due to the overproduction of the thyroid hormone thyroxine.Also known as hyperthyroid myopathy, TM is one of many myopathies that lead to muscle weakness and muscle tissue breakdown.
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Negative values of the decimal logarithm of the median lethal dose LD 50 (−log 10 (LD 50)) on a linearized toxicity scale encompassing 11 orders of magnitude. Water occupies the lowest toxicity position (1) while the toxicity scale is dominated by the botulinum toxin (12). [107] The LD 50 values have a very wide range.