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Switched from Synthroid to Levothyroxine

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Old 02-22-2005, 09:48 AM   #1
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botteki HB User
Switched from Synthroid to Levothyroxine

This morning I made the switch.

I'm a little concerned because I felt stabilized with my current regimine.

I figured, though, that if I'm going to be on this medicine the rest of my life, I should try to regulate with the generic. Over the years, the financial difference could really add up. Still, I'm a little afraid.

When first going on Synthroid, and then with an increase in the dosage, I experienced massive hair loss both times. Massive. For example.

Has anyone else had any experience with a switch to levothyroxine?

Also, can we take guafenesine (cough expectorant) while on thyroid replacement?

Thanks all.

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Old 02-22-2005, 12:14 PM   #2
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Eeyore22 HB User
Re: Switched from Synthroid to Levothyroxine

As a fellow Synthroid user I'll be interested to see how you make out with the switch. I'm not convinced I'm on the right med...

Anyhoo - as for the cough medicine - check with the pharmacist or your doctor's office but when I called mine he said I could take whatever I wanted that the warning for thyroid disease was for those that are hyperthyroid. I find those cold medicines tend to make me feel shakey, like I've had too much caffeine - which I gave up in May and have a lot fewer headaches might I add...

Good luck,

Old 02-22-2005, 02:07 PM   #3
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KarenM8890 HB User
Re: Switched from Synthroid to Levothyroxine

I switched from Synthroid to levothyroxine and it really didn't do much for me. I was on .175 mg of Synthroid and they switched me to .175 of levothyroxine. After 3 months, I felt like crap. My TSH went from .28 to 1.92 and my Free T3 had dropped from 330 to 241 (Range 230 - 420). I do not know if it was just the switch that did it or if I have other issues (like my Hashimoto's flared or something), but in December, I had them switch me to Levoxyl .175 mg. I figured at least that way I would get the same "generic" each time (Aetna considered Levoxyl to be generic).

Old 02-23-2005, 06:27 AM   #4
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diatron HB User
Re: Switched from Synthroid to Levothyroxine

My pharmacy switched me to Levothyroxine late last year from Synthroid. The generic was made by Sandoz. It caused my ankles to swell and I felt a little anxious. I think it was probably a bit more potent at 100 mcg than the Synthroid. The next month I switched back and all of the untoward symptoms went away.

I too was concerned with the cost over a lifetime of taking these medicines since my co-pay is $35 for name brand and only $10 for generics. I would have probably tried a generic again once I get near the optimum dose, just for cost reasons, although since I switched to Armour it was only $1.41 for a month's supply, so I probably won't. If you do switch, please make sure that you get the same generic manufacturer's drug each time you get a refill. I would think that each manufacturer would be consistent with their own meds but changing to any different manufacturer would give you a slightly different dosage.

Old 02-23-2005, 09:38 AM   #5
Its Megan
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Its Megan HB User
Re: Switched from Synthroid to Levothyroxine

The pharmacy messed up and gave me generic one time and it made me feel really awful and sick!

Old 03-02-2005, 08:03 AM   #6
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botteki HB User
Re: Switched from Synthroid to Levothyroxine

Thank you for your replies.

It's been over a week now and I feel fine.

I have had no noticeable hair loss. Yeah!

I was getting a chest cold at the time of the switch, so I have had some malaise. I have been taking Mucinex to try to help it along.

Nontheless, so far so good.

If the floor falls out from under me, I'll let you know.

Thanks again.

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