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When Can A Blood Sample Be Given While On Eltroxin?

Posted on Wed, 1 Feb 2017

Question: Hi my name is XXXXXXX and I am taking thyroid medicines.eltroxin. diagnosed with hypothroid two year back. Taking tablet of 50 mcg. I am always doing my blood test in morning after taking medicines. Whether this is correct or I have to take medicine after blood test of that day.
Regards

Answered by Dr. Rahul Tawde (2 hours later)

Brief Answer:
Yes

Detailed Answer:
Hello, Thank you for posting your question on HealthcareMagic.
It is better you give your blood sample on a complete empty stomach.
Give your blood sample and then you can take Eltroxin .
Take Eltroxin regularly don't miss even a single dose as the replacement is usually life long and only the dose will have to be titrated according to the TSH values .
Hope this helps
Best wishes

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Rahul Tawde (18 minutes later)

How much it effects tsh values if I have taken medicines before throid test. Earlier my docter told it has no effect. On tsh values

Whether single day dose effect thyroid results

Answered by Dr. Rahul Tawde (2 minutes later)

Brief Answer:
Yes

Detailed Answer:
Hello again,
Yes one tab will not change the readings.
But TSH results are more accurate on empty stomach that's the reason I told you to have later.
Best wishes

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Rahul Tawde (5 minutes later)

My tsh value 3.4. After taking medicines. That is ok. I have to retest again

Answered by Dr. Rahul Tawde (1 minute later)

Brief Answer:
No

Detailed Answer:
Hello again,
It seems to be well controlled, no need to retest now .
Just keep in mind when you test again.
Best wishes

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Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar