whether levothyroxine products (Synthroid, Eltroxin) are interchangeable
May 2005
There's debate over whether levothyroxine products (Synthroid, Eltroxin) are interchangeable.
Some provinces already don't allow levothyroxine products to be interchanged...but there is no federal ruling.
Product monographs of levothyroxine include warnings to discourage interchangeability...because brands are not considered equivalent in content or bioavailability.
Get concise advice on drug therapy, plus unlimited access to CE
Pharmacist's Letter Canada includes:
- 12 issues every year, with brief articles about new meds and hot topics
- 200+ CE courses, including the popular CE-in-the-Letter
- Quick reference drug comparison charts
- Access to the entire archive