Quote Originally Posted by westtexas View Post
Just as a side note - scientific studies show that the transdermal gel does not work as well and is not as reliable in lowering thyroid levels consistently as the pill. A new study is coming out in a few weeks that show that most compounded medications only contain about 80% of the medication they are supposed to have (for example, a 100mg/ml solution is actually testing at 80 mg/ml).

Personally, if one of my kitties becomes hyperthyroid, I'm doing radioactive iodine and being done with it.
The KEY to transdermal is to WASH the ear and let it dry before dosing again. No one ever mentions that and I'm always surprised at how many people aren't told by their vets to do it. While you might have to adjust the dosage, kitties with digestive issues do much better on it. I too would have done iodine but Milford never got well enough to go that route. We managed it for almost a year along with lymphoma before he decided to leave me.