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Doctor insights on: Why Does Your Appetite Change When Using Synthroid

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Nausea, fatigue, low appetite, headaches, vision changes, seeing spots, irritable, hot flashes. All related to TSH .007 needing lower Synthroid or no?

Nausea, fatigue, low appetite, headaches, vision changes, seeing spots, irritable, hot flashes. All related to TSH .007 needing lower Synthroid or no?

get checked: A TSH that low usually means the dose of synthoid might be too high.. Check with the doctor who put you on the meds to see what the next step is. ...Read more

Dr. Joseph Mathews
577 doctors shared insights

Synthroid (Definition)

Synthroid is one of several commercial (non-generic) brands of levothyroxine. Levothyroxine is the most common form ...Read more


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Haven't had much appetite and had little nausea and lost a few lbs since total thyroidectomy 1 wk ago. Can this happen. On synthroid.?

Haven't had much appetite and had little nausea and lost a few lbs since total thyroidectomy 1 wk ago.  Can this happen. On synthroid.?

Synthroid: Synthroid could cause this; however, it is unlikely since you've only been taking it for a week -- with the exception of the nausea. The anesthesia used for surgery may have some effect. In addition, your body is healing from the surgery and the release of certain hormones may be involve in this as well. Other medication may also contribute ( ie: post surgery antibiotics). ...Read more

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I know that Synthroid 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 a doctor prescribe Synthroid to increase a patient's appetite?

Not wise: That would not be a good idea. A high dose of synthroid would increase metabolic rate (and put a stress on the heart) and appetite may/may not go up, but usually it would cause weight loss. Synthroid should only be prescribed for hypothyroidism, or other clear thyroid related conditions, and should not be used for obesity or appetite. ...Read more

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Joint pain throughout body, can't sleep more 2-4 hr weight gain lack appetite on Synthroid .75 TSH 3.17@nite pain wake me up.Otc pain med no good?

Joint pain throughout body, can't sleep more 2-4 hr weight gain lack appetite on Synthroid .75 TSH 3.17@nite pain wake me up.Otc pain med no good?

You need a medical e: A medical exam is what you need. Please go see your primary care doctor and let him/her examine you and find out what is wrong. At your age there is high risk of serious medical ailments which can cause bone pains. Only an examination and check of blood tests and x-ray check ups can help to make a correct diagnosis. ...Read more

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Can I change from taking synthroid at night vs the morning? I take 50 mcg.

Can I change from taking synthroid at night vs the morning?  I take 50 mcg.

Either: It is usually recommended that you take the medicine in the morning about an hour before eating. Fasting prior to the dose appears to be more important than whether it is taken in the morning or in the evening. Therefore nighttime is also fine. Hope this helps. ...Read more

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Do thyroid levels change as a person ages? Does everyone eventually need synthroid?

Do thyroid levels change as a person ages? Does everyone eventually need synthroid?

Thyroid needs : Do change as we get older. However, not everyone will need thyroid supplementation. ...Read more

Dr. David Sneid
1,346 doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid ...Read more