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When is the best time to take synthroid ?

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Old 12-30-2002, 09:28 AM   #1
Join Date: Nov 2002
Location: montreal, quebec, canada
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moebius_loop HB User
Question When is the best time to take synthroid ?

Hi Everybody,

I usually take my synthroid at around 7 AM. But sometimes I forget and take it around 8 AM (or even 9 AM sometimes...).

I was just wondering if it matters if somedays I take the synthroid at 7 AM and some days I take it at 8 AM ?

Also, are there any medical journal articles regarding the best time to take meds ?

Thanks in advance,


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Old 12-30-2002, 10:03 AM   #2
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Blaana HB User

There seem to be alot of things that interfere with the absorption of thyroid hormones, so I take mine at 5 am usually, way before I eat or drink anything or take any other medicines. When I got my prescription filled, the pharmacy gave me a printout on the med. It says to take it before breakfast on an empty stomach and to not take it within 4 hours of a long list of other medicines and/or supplements.
I take my second dose of cytomel around 3 or 4 pm at least an hour before I eat.

Old 12-30-2002, 01:02 PM   #3
Join Date: Dec 2002
Location: Chicago,IL
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Ellyn HB User

I take my Synthroid at the same time every morning. Yes I on ocassion mess up. I do not eat or drink anything for 1 hour. If I take any vitamins etc etc it is at least 3-4 hours later.

Old 12-30-2002, 05:38 PM   #4
Join Date: Dec 2002
Location: Orono, Ontario, Canada
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Bumblebea HB User

I take my synthroid in the morning before breakfast. Very much the same reasons as the other people who have replied. BTW, a friend of mine took her birth control with the thyroid meds and found out she shouldn't be taking them at the same time!

Old 12-30-2002, 10:19 PM   #5
Join Date: Nov 2002
Location: montreal, quebec, canada
Posts: 9
moebius_loop HB User

Thanks for the info everyone !

What I am still curious about is this: Let's say I have breakfast between 9 and 10 AM. Is it OK to take my synthroid one day at 7 AM and the next day at 8 AM ? In other words... if I take my synthroid every day a couple of hours before eating, but I don't take my synthroid at the same time everyday because I forget, could this cause me any trouble ?



Old 12-31-2002, 09:27 AM   #6
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Join Date: Aug 2001
Location: Euless, TX
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Meep HB UserMeep HB UserMeep HB User

Due to the long half-life of T4 (about 7 days), taking your Synthroid at different times shouldn't be a real issue. It IS best to take it at the same time every day, but this is as much to reinforce the habit of making sure you are tking it as it is for effectiveness.

As for the timing of it most doctors recommend taking it in the morning as you can see by the responses, but there are some who prefer to take it before bed. Taking it before bed has advantages, because if you do it right, you won't have eaten within two hours of taking your meds. Since it is not a good idea, metabolically speaking, to eat right before bed, it has a double advantage doing it this way. Plus, some people report sleeping better for some reason wehn they take it at night.

I am not a doctor, nor have I ever played one on TV...

Old 01-01-2003, 11:27 AM   #7
Join Date: Apr 2001
Posts: 52
judekate HB User

I do not take mine at night. But when I take it real early like 5 A.M., I sleep REALLY good the next couple of hours. I had a hunch it has something to do with the synthroid. I thought about taking it at night. What do you think?

Does anyone take theirs at night? How do you feel and did you start taking it at night for that reason?


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