Doctor insights on:
How Long Before Thyroid Medicine Starts Working
Varies: Effectiveness (onset to action) can be 15-20 minutes in short acting stimulants (methylphenidate, amphetamine, dexedrine), 1-1/2 hrs in long acting stimulants (daytrana, vyvanse), days to weeks in Alpha 2 adrenergic drugs (intuniv, clonidine), and weeks to months with atypical antidepressants (desipramine, atomoxetine). ...Read moreSee 1 more doctor answer
Can take awhile: Usually give it a few months based upon it's supposed mechanism, it doesn't work immediately (except that the vehicle is a great artificial tear so that can help a little) http://www.Restasis.Com/_learn_about/learn_whattoexpect.Htm. ...Read more
How long does Ampicillin stay in your system/how long does it continue working after you stop taking it?
Synthroid (thyroxine) medication: It will take about two weeks after starting medication to start feeling any difference. Around four weeks, the medication will reach its final level. Your doctor should check TSH and free T4 at 4-6 weeks after starting the medication. Your doctor may need to adjust your medication based on the labwork, either less or more dosage in synthroid (thyroxine). ...Read more
Will hair grow up as before after medication of thyroid?I have started taking medicines for past 2 weeks. How much time will it take?
Most often, yes: With rapid changes with of thyroid levels (especially from high to normal), paople may experience "telogen effluvium). This happens when a lot of hair enter the final part of its cycle at once and falls off. However that hair is already being replaced and the net result will be a return to normal once levels stabilizes. A few patients may have a more localized form of hair loss (alopecia areata). ...Read more
Half life is...: about 20 hoursGet a more detailed answer ›
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