Doctor insights on:
How Long Does Thyroid Medication Take To Work
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
Half life 7d: 6 weeks. The half life of thyroid replacement is 7d, there fore it takes 6 1/2 lives to reach steady state or 6w. No medication change or labs reassessment for 2-3 months to see if right dose. ...Read more
Depends on med: Adderall, dexedrine, Ritalin (methylphenidate) Focalin (dexmethylphenidate) (desmethylphenidate) are short-acting & take @ 30 minutes to show some effect if dose is high enough. Long-acting preps may take 60 minutes. 5 days at any dose shows what that dose will do & then prescriber may advance dose based on response & side effects seeking best dose for function. Strattera takes 2-12 weeks to achieve full effect. ...Read moreSee 1 more doctor answer
Soon: Usually within 3 or more days you should start to feel better if the dose is a good therapeutic dose. ...Read more
A few days.: Most of the time the medication starts to work within a few days. However it frequently takes several weeks before you will see or feel and effect. It frequently depends on what the original levels were before the medication was started. Aalk to your doctor if you're concerned about this. ...Read more
Hi: usually 6 weeks. after initial diagnosis should repeat TSH level and adjust dose at 6 weeks and it should get in normal ranger like 0.5 to 4.5 ...Read more
Varies: What is clear is that antidepressants essentially never work instantly. Typically, we talk about 2-4 weeks--but that's once we get to a therapeutic dose, which itself may take several weeks. An adequate antidepressant trial can take as long as 3 months--but benefits also can happen much quicker than that. ...Read more
Oral or IV or IM: If you are taking it for vertigo and IF it is going to work should take effect in 20-30 minutes orally or by dissolving tablet in your mouth but a bit quicker for IV and variable for IM. 2 issues; do you rally have vertigo or is it another problem? Even if you have true vertigo it may not work. If not improving see your doctor. ...Read more
Fluoxetine activity.: Fluoxetine enhances serotonin levels in the brain. Serotonin is a brain chemical involved in mood regulation. For this medication to be effective it must be taken on a daily basis. Usually it will take from 2-4 weeks to notice any improvement. A follow-up with your physician is important. At times the dosage may need adjustments, or a a different medications may be required. ...Read more
12 to48 hours: It start working in 12 to 48 hours, but can take up to 3 days to work. ...Read more
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