Module 8 unit B thyroid Flashcards
treatment for hypothyroidism
Levothyroxine (T4)
Levoxyl, Synthroid
Starting dose of levothyroxine for patients over 50 or those with suspected Ischemic heart disease
25-50 mcg
Onset of action of levothyroxine
3-5 days
when to check TSH after initiating thyroid therapy
4-8 weeks, then 4-6 months, then every 12 months
How often to check TSH during pregnancy?
every 4 weeks for first half of pregnancy, then at weeks 26 and 32, then 6 weeks postpartum
drug to drug interactions with levothyroxine
zoloft or other SSRIs or TCAs, tegretol, dilantin
Overtreatment risk for thyroid
Rapid or irregular heartbeat, chest pain, SOB, muscle weakness, weight loss, hair loss, vomiting, fever, impaired fertility.