Methiamazole
Brand names,
Methiamazole
Analogs
Methiamazole
Brand Names Mixture
Methiamazole
Chemical_Formula
C4H6N2S
Methiamazole
RX_link
http://www.rxlist.com/cgi/generic3/methim.htm
Methiamazole
fda sheet
Methiamazole
msds (material safety sheet)
Methiamazole
Synthesis Reference
No information avaliable
Methiamazole
Molecular Weight
114.17 g/mol
Methiamazole
Melting Point
146 oC
Methiamazole
H2O Solubility
275 g/L
Methiamazole
State
Solid
Methiamazole
LogP
-0.34
Methiamazole
Dosage Forms
Tablet (5 or 10 mg)
Methiamazole
Indication
For the treatment of hyperthyroidism, goiter, Graves disease and psoriasis.
Methiamazole
Pharmacology
Used in the treatment of hyperthyroidism or an overactive thyroid gland, methimazole inhibits the synthesis of thyroid hormones and thus is effective in the treatment of hyperthyroidism. It may also be used to ameliorate hyperthyroidism in preparation for subtotal thyroidectomy or radioactive iodine therapy.
Methiamazole
Absorption
Rapid with an oral bioavailability of 93%.
Methiamazole
side effects and Toxicity
Oral LD50 in rats is 2250 mg/kg. Symptoms of overdose include nausea, vomiting, epigastric distress, headache, fever, joint pain, pruritus, and edema. Aplastic anemia (pancy-topenia) or agranulocytosis may be manifested in hours to days. Less frequent events are hepatitis, nephrotic syndrome, exfoliative dermatitis, neuropathies, and CNS stimulation or depression.
Methiamazole
Patient Information
Patients should be instructed to report to their physicians any symptoms of agranulocytosis, such as fever or sore throat.
Methiamazole
Organisms Affected
Humans and other mammals