... that the juice counteracts the synthroid... is that true?
As far as I'm aware grapefruit juice does not have any interacts with Synthroid. However, it can affect the metabolism of some medicines but Synthroid is not one of them.
My doctor told me to take SYNTHROID on an empty stomach, no eating 3 hours before or after taking it. Only then did SYNTHROID start to help my hypothyroid symptoms. Before, when I took SYNTHROID with juice or food, it did not help me at all. A close friend confirmed that is also the way her doctor prescribes taking SYNTHROID. Maybe this approach is needed for only some people and not others.
I have been taking synthroid for around 25 years now. The first endocrinologist told me to take it on an empty stomach (2-3 hours AFTER any food), and to not eat anything for 1 hour after taking it. That doctor retired and the younger one has told me the same.
That gives me a total of 3-4 hours with an empty stomach, which can be difficult when I have other medications to take. The younger endocrinologist has approved my taking my synthroid at 3:00 a.m, a time I usually wake up to go to the bathroom. This works well for me, because I also take gemfibrozil, 30 minutes before a meal... or any other medication.
I could not take the synthroid at the same time because I was also told to take synthroid ONLY with water, and plenty of it, just like aspirin. It protects your stomach. Juices, coffee, tea, soda etc. can cause bad things to happen to your stomach when combined with meds. Some foods can be taken with milk or food, but not synthroid. Plenty of water is usually the best. Many people just take sips... look at those small hospital cups when they hand you a handful of meds at once!
Fortunately, if you use milk or food with synthroid, I do not think it hurts you, but I think it reduces the effects of the medication. There are some foods that are especially interactive in this way, including walnuts (one of my favorites). I think calcium might be one vitamin that should be spaced out. The pamphlet often lists some helpful hints, including drinking lots of water.
- Synthroid Information for Consumers
- Synthroid Information for Healthcare Professionals (includes dosage details)
- Side Effects of Synthroid (detailed)
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