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Doctor insights on: Medicine For Levothyroxine Allergy

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Can you get levothyroxine allergies?

Can you get levothyroxine allergies?

Possible: It is rare to develop allergy to levothyroxine, which is a medication used to treat hypothyroidism. However, there are reports of allergy to such medications. ...Read more

Dr. John Chiu
2,638 Doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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I have controlled hypothyroidism by taking levothyroxine. However I have chronic allergies producing urticaria and rhinorhea. Which antihistamine best?

Benadryl (diphenhydramine) would be an: Effective antihistamine. Ask your allergist if adding an antileukotriene and a steroid would also help. Take care! ...Read more

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Random lip swelling due to allergy or hashimoto's/hypothyroid? Allergist says I need levothyroxine increase- endocrinologist says no, it's an allergy.

Random lip swelling due to allergy or hashimoto's/hypothyroid? Allergist says I need levothyroxine increase- endocrinologist says no, it's an allergy.

Sounds like allergy: Random lip swelling is probably due to an allergic reaction. Have you used a new lip stick, make up, soap, tooth paste, mouth wash, facial products etc? If so you may want to discontinue that one product. If the swelling persist, see your doctor. ...Read more

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Would going on Synthroid (thyroxine) cause new allergy symptoms to emerge?

Would going on Synthroid (thyroxine) cause new allergy symptoms to emerge?

Depend what you mean: If you mean nasal or eye allergy symptoms then no.

If you are getting a rash or more systemic type symptoms this would be possible and could indicate a drug allergy. ...Read more

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Would increasing my levrothroxine 125 to higher give me more energy or could it be a combination of my allergies and harmonies that makes me tired?

Would increasing my levrothroxine 125 to higher give me more energy or could it be a combination of my allergies and harmonies that makes me tired?

Wouldn't advise: Inscreasing it on your own, allergies and hormonal imbalance can cause the symptoms you have, please see your doctor, wish you wellness ...Read more

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Thyroxine intolerance. Works but have sideeffects. May be allergy. Breathlessness, heartpalp, lot of heat, diarrhea, tsh-3.0, armour, erfa, which is best?

Thyroxine intolerance. Works but have sideeffects. May be allergy. Breathlessness, heartpalp, lot of heat, diarrhea, tsh-3.0, armour, erfa, which is best?

Too much too fast: These symptoms all point to too much thyroid. Since the TSH is not suppressed, perhaps you need to start on a lower dose of thyroid with small increments until the optimal dose is reached. Talk to your physician about this. ...Read more

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While taking medicine, Levothyroxine, is it safe to lay in tanning beds?

While taking medicine, Levothyroxine, is it safe to lay in tanning beds?

Never safe!: Sorry but I spend a good part of every day treating wrinkles and skin cancer caused by tanning beds and so I can only answer this one way: It is never safe to lay in a tanning bed!! ...Read more

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Why would your thyroid become enlarged if your already on levothyroxine and medicine has been properly adjusted.?

Why would your thyroid become enlarged if your already on levothyroxine and medicine has been properly adjusted.?

We talk of. ..: Thyroid function and structure separately-
sometimes related, sometimes not

so if function now ok with med
, must address structure issues, ? Nodules, tumor, thyroiditis

see endocrinologists. ...Read more

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Since starting levothyroxine just over a year ago, my periods have been further apart. Could the drug be causing this?

Since starting levothyroxine just over a year ago, my periods have been further apart. Could the drug be causing this?

Yes: Thyroid disorders can affect menstrual periods and the treatment of them can also. See an endocrinologist for specific diagnosis and treatment or OB/GYN specialist ...Read more

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I have hypothyroidism and take levothyroxine fasting every day. I heard I need to stay 30 minutes without eating after taking the medicine. Is true?

I have hypothyroidism and take levothyroxine fasting every day. I heard I need to stay 30 minutes without eating after taking the medicine. Is true?

Yes sensitive med: Administer in the morning on an empty stomach at least 30 to 60 minutes before food. Separate the dose from other vitamins and certain medications (review with pharm) by 4 hours. Also be aware that Soybean flour, soy, grapefruit juice, espresso coffee, cottonseed meal, walnuts, dietary fiber may interfere with absorption of levothyroxine. ...Read more

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Are there any drugs or vitamins that may negatively interact with levothyroxine?

Are there any drugs or vitamins that may negatively interact with levothyroxine?

Yes: Calcium, vitamins and iron should not be taken within 2 hours (before or after) brand name thyroid replacement as they can interfere with it's absorption. Bile salt resins (not used much anymore) can also interfere with thyroid and almost all other meds. ...Read more

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I have hypothyroidism and take Levothyroxine. Is it safe to take the medicine if it is expired?

I have hypothyroidism and take Levothyroxine. Is it safe to take the medicine if it is expired?

Expired medication: Never take expired medicine. Get rid of it. Expired medications may be less potent and some actually breakdown and can cause side effects. Below is a site that directs you to places that take back expired medicines (many walgreens particpate)


http://www.fda.gov/Drugs/ResourcesForYou/Consumers/BuyingUsingMedicineSafely/EnsuringSafeUseofMedicine/SafeDisposalofMedicines/ucm186187.htm ...Read more

Dr. David Sneid
1,422 Doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid agent. ...Read more


Levothyroxine (Definition)

Of the hormone produced by one's own ...Read more