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Doctor insights on: Can You Eat Grapefruit While Taking Synthroid

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Can anyone taking 75 mg of Synthroid (thyroxine) eat grapefruit?

Can anyone taking 75 mg of Synthroid (thyroxine) eat grapefruit?

Yes: But thyroid is ideally taken in the morning an hour before eating anything. ...Read more

Dr. David Sneid
1,420 Doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid agent. ...Read more


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I take Synthroid (thyroxine) in am before breakfast. Are there any foods I should be avoiding? What about lemon water, grapefruit, walnuts, milk, any worries?

I take Synthroid (thyroxine) in am before breakfast. Are there any foods I should be avoiding? What about lemon water, grapefruit, walnuts, milk, any worries?

Synthroid (thyroxine): You should wait about an hour after you take your synthroid (thyroxine) or it won't be properly absorbed. You may be better off taking it at bed-time - about an hour after a snack.
Your food and drink list sounds just fine. ...Read more

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Do you really need to eat an hour after you take synthroid (thyroxine)?

Do you really need to eat an hour after you take synthroid (thyroxine)?

30 min may suffice: If there is conflict in am, you can take at bedtime as shown in a recent study in a thyroid journal. ...Read more

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I started synthroid (thyroxine) 25 mcg 2.5 wks ago for hypo. The last few days, I've felt very full (almost sick) when I don't eat much. Is this related? Why?

I started synthroid (thyroxine) 25 mcg 2.5 wks ago for hypo. The last few days, I've felt very full (almost sick) when I don't eat much. Is this related? Why?

Unrelated: You've started on the smallest dose of Synthroid (thyroxine) and is certainly not causing early satiety. If this feeling doesn't pass in the next few days, go c ur doc. ...Read more

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I have hypothyroidism and take thyroxine, is it ok for me to eat cruciferous vegetables and soya products?

I have hypothyroidism and take thyroxine, is it ok for me to eat cruciferous vegetables and soya products?

Yes, however...: Eating large amounts of cruciferous vegetables & soy can suppress thyroid function, but it is not clear how much and moderate consumption, esp. If these are cooked, should not have much of an effect. If you eat very large amounts of these then monitor levels of thyroid hormone to see if you need to take more thyroxine. See www. Whfoods. Com/genpage. Php? Tname=george&dbid=47. ...Read more

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Hi to all dear doctors. I want to ask what should I do? I have severe constipation. And im taking 1 tablet of thyroxine daily. I eat a lot of fibers

Hi to all dear doctors. I want to ask what should I do? I have severe constipation. And im taking 1 tablet of thyroxine daily. I eat a lot of fibers

Check thyroid levels: Low thyroid levels i.e. Hypothyroidism can cause condtipation. Make sure your levels are ok. If they are ok, try some mild otc laxative to see if this helps. If not, see your physician. ...Read more

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I know that Synthroid (thyroxine) is used for hypothyroidism but can it be used to increase appetite in people who eat too little?

No: It should not be used as an appetite stimulant. It will lead to more side effects, and actually suppress your own body hormone, which you may have enough.
Extra thyroid hormone will increase your metabolism, your heart rate (leading to possible arrhythmias) and weight loss, diarrhea. Other medications are available as appetite stimulants. ...Read more

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Can I take Synthroid (thyroxine) first thing in morning, wait 30 min, take zantac, wait 30 min, eat then pray for no morning sickness? Anyone has a better timing?

Yes: That timing is appropriate for the medications. The other otc medications that can be used for morning sickness in pregnancy are benadryl, (diphenhydramine) doxylamine, and vit b6. Your OB doctor would also be able to offer more suggestions, and you should discuss this with them. ...Read more

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Will I be able to eat foods with added calcium, iron and magnesium if I'm on synthroid (thyroxine)?

Food and thyroid...: You can eat any kind of food if taking Synthroid (thyroxine) as long as you take this tablet away from all food and all medications. I highly recommend for it to be taken in the middle of the night so you are sure nothing interferes with its absoprtion. Once absobed - typically in one hour - then any food will not affect this medication. ...Read more

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I've been on Synthroid (thyroxine) 25 mcg for 1 month for hypothyroidism & the last 2 weeks my energy level has dropped. I don't even want to eat. Is that normal?

Wrong medication?: It could be your dose is too low or you are on the wrong medication for your thyroid. Some people need Armour Thyroid instead of synthroid (thyroxine).
Read: DrFairchild. Org/endo/thyroid. Htm ...Read more

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I have hypothyroism. I take 50mcg thyroxine and 20mcg of tertroxine daily. I exercise intensly 3xweek and eat 1200cal/day and no weight loss help!

I have hypothyroism. I take 50mcg thyroxine and 20mcg of tertroxine daily. I exercise intensly 3xweek and eat 1200cal/day and no weight loss help!

Math does not add up: From your question, the math does not add up
if you are taking 50 microgrm of thyroxin and your thyroid function like tsh, t3, (liothyronine) T4 are normal and you are on 1200 calories daily diet and you exercise intensely 3 times a week and still do not loose weight.
I will recommend you see your doctor and/or nutritionist as to what you are doing is right or wrong. ...Read more

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What should I avoid taking alongside my synthroid?

What should I avoid taking alongside my synthroid?

Potentially: Hundreds of other meds might interact in some way with Synthroid. Your doctor can run an interaction check between Synthroid & your other Rx's. In general, however, if you take Synthroid 2 hours after and 1/2 hour before meals, other meds, mineral & fiber supplements and antacids, you will avoid most interactions with Synthroid. Best wishes! Dr. Anne. ...Read more

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Each morning before I take my synthroid I feel very bad and about 1 hr after taking it feel good. Why is that? Does it wear off by the morning?

Each morning before I take my synthroid I feel very bad and about 1 hr after taking it feel good. Why is that? Does it wear off by the morning?

Possibly, ..: Everyone metabolizes medications differently, and in your case, your symptoms are what they are, so it is possible the meds are waxing in the AM. Try talking to your Dr. And maybe taking the meds at Noon or even in the PM hours may help decrease the feeling you get in the AM. Best wishes. ...Read more

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Can I take St. John's wort if I am taking thyroxine?

Can I take St. John's wort if I am taking thyroxine?

No interactions: It should be safe to take thyroxine with St. John's wort. A lot of medications do interact with St. John's however, so it is good that you are considering it. Good luck. ...Read more

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Are the brand name "synthroid" &levothyroxine equally effective? M taking synthroid. Can I switch 2 levothyroxine, looks like levothyroxine is cheaper

Are the brand name "synthroid" &levothyroxine equally effective? M taking synthroid. Can I switch 2 levothyroxine, looks like levothyroxine is cheaper

Levothyroxine is: Cheaper since it's a generic, but the blood levels with Synthroid (thyroxine) are more consistent and reliable. It is a product with a "narrow therapeutic window" where generics can vary from batch to batch, company to company and prescription to prescription -- while the brand name product does not. If you can afford it, take the brand name drug. ...Read more

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Is it okay to sunbathe while taking synthroid (thyroxine)?

Is it okay to sunbathe while taking synthroid (thyroxine)?

Sun sensitivity: No sunbathing while taking synthroid, (thyroxine) there are reports of sun sensitivity while taking this medication. ...Read more

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What could be the effects of taking too much synthroid (thyroxine)?

What could be the effects of taking too much synthroid (thyroxine)?

Being hyper: Too much synthroid (thyroxine) can make you feel hyper, cause diarrhea, weight loss, feeling hot or hot flashes, anxiety, poor sleep, heart pounding. Please speak with your doctor if you are having these symptoms. ...Read more

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Will taking Synthroid (thyroxine) give you exopthalmos?

Will taking Synthroid (thyroxine) give you exopthalmos?

No: Exophthalmos, a component of a subset of thyroid disorder called Graves disease is due to a secretion from the brain - EPF which produces the exophthalmos. It is not due to thyroid hormone or thyroid stimulating hormone so taking synthroid (thyroxine) cannot cause esophthalmos. ...Read more

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Would taking 1500 mcg of synthroid (thyroxine) kill you?

Would taking 1500 mcg of synthroid (thyroxine) kill you?

It's possible: The average full replacement dose of levothyroxine sodium is about 1.7 mcg/kg/day (e.g., 100-125 mcg/day for a 70 kg adult). Larger doses may result in serious or even life-threatening events. ...Read more

Dr. Joseph Mathews
615 Doctors shared insights

Synthroid (Definition)

Synthroid is a thyroid agent. ...Read more