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Colchicine has a narrow therapeutic index, so overdosing is a significant risk. Common side effects of colchicine include gastrointestinal upset, particularly at high doses. [14] Severe side effects may include pancytopenia (low blood cell counts) and rhabdomyolysis (damage to skeletal muscle), and the medication can be deadly in overdose. [11]
Classically, for clinical indications of an approved drug, TI refers to the ratio of the dose of the drug that causes adverse effects at an incidence/severity not compatible with the targeted indication (e.g. toxic dose in 50% of subjects, TD 50) to the dose that leads to the desired pharmacological effect (e.g. efficacious dose in 50% of ...
Many patients will not develop these side effects, although there is still a significant possibility of risks associated with Antipsychotic usage. The percentage of patients affected by side effects like Tardive dyskinesia is significantly high and estimated to be a 20-50% prevalence. [1] [2]
Here’s how these side effects vary based on dosage: Side Effects of Finasteride 1mg. As with the medication finasteride in general, potential side effects of finasteride at a 1mg dose include ...
While colchicine is not used to treat cancer in humans, it is commonly used to treat acute attacks of gout. [26] Colchicine is an anti-inflammatory drug that has been in continuous use for more than 3000 years. Colchicine is an oral drug, known to be used for treating acute gout and preventing acute attacks of familial Mediterranean fever (FMF).
A reference dose is the United States Environmental Protection Agency's maximum acceptable oral dose of a toxic substance, "below which no adverse noncancer health effects should result from a lifetime of exposure". Reference doses have been most commonly determined for pesticides. The EPA defines an oral reference dose (abbreviated RfD) as:
The use of the roots and seeds in traditional medicine is thought to have arisen due to the presence of this drug. [14] Its leaves, corm and seeds are poisonous. Murderer Catherine Wilson is thought to have used it to poison a number of victims in the 19th century. The species known to contain the most lethal amount of colchicine is C. autumnale.
A xanthine oxidase inhibitor is any substance that inhibits the activity of xanthine oxidase, an enzyme involved in purine metabolism.In humans, inhibition of xanthine oxidase reduces the production of uric acid, and several medications that inhibit xanthine oxidase are indicated for treatment of hyperuricemia and related medical conditions including gout. [1]