HealingWell
Search Close Search
☰

Synthroid Dosage

Support Forums
>
Thyroid Disorders
✚ New Topic ✚ Reply
❬ ❬ Previous Thread |Next Thread ❭ ❭
Posted 7/22/2011 4:47 AM (GMT 0)
What is the maximum dosage for Synthroid? I started off at 25 and now I'm at 125. I need to go back for more bloodwork to check to see if my levels are ok, but it seems like every 3 months the meds are being increased. Will I ever get it right? lol
Posted 7/24/2011 5:52 PM (GMT 0)
I'm not sure there is a "max" dose or the "right" dose. The best dose is the dose for you as an individual. I am just starting the process of determining my optimum dose. The doctor started me on 150mcg, but I had my thyroid removed, so I'm not actually supplementing a functioning gland.
Posted 8/11/2011 10:33 PM (GMT 0)
I was told the 'High" end of dosage is 300 mcg, I am on 200 mcg and my levels were still off. But since then my thyroid was removed 08/03/11 and we are in hopes of getting mine regulated. But as BethW says each individual is tested; I had blood work every 6 months and then they up your dosage or decrease it takes time to get to the right dosage were you are where you need to be.

I could never get mine at the right level due to Hashimotto's disease and a nodule on my thyroid, so now I am supplementing for gland I don't have anymore.

Good luck to you!
Posted 8/31/2011 8:44 AM (GMT 0)
Dosages higher than 200 mcg are rarely required. If there is no response to 300 mcg it requires prompt reevaluation of the diagnosis or suggests presence of malabsorption.
Posted 8/31/2011 2:14 PM (GMT 0)
I have malabsorption issues so I was started on 200mcg and will work up/down from there. Get blood work done next week for my Sept. 12th appointment.
Posted 3/5/2016 11:01 PM (GMT 0)
I've been on the 25mcg once a day dosage of either Levoxyl, Levothyroxine, and now finally Synthroid for many years. In the past I hardly ever had my blood tested. And since this new doctor six months ago, I have had it tested one time. I felt better immediately on the Levothyroxine another doctor gave me but it eventually wore off or something. I am starting Synthroid brand tomorrow as it is what my current doctor (I changed due to insurance changes), ordered for me originally but since I was in the middle of the other prescription I had to wait to switch. I am hoping the Synthroid will have me feeling better again but can't help but wonder if I need another blood test as well. I havent's lost any weight without real effort on my part and I am not really all that over weight at 145 and 5'4". I just don't want to continue to have disruptend sleep, depression, poor concentratation, sleepiness, and continued weight gain. I want to feel like me again.
Posted 3/6/2016 6:46 AM (GMT 0)
Hi ,

What were your TSH levels when you tested it last time ?

Blood tests should be done not less than six weeks since starting new dose or new brand.

25 mcg per day is a very small dose and most probably you will need to increase the dose, do you know whether you have hashimoto's disease ? if so then the bood tests for TSH,Free T3 and Free T4 should be performed about 12 weeks to three months after each change in the dose and to increase/decrease the dose accordingly .

To determine whether you have hashi ask your doctor to test you for TGab and antiTPOab.

Best,
✚ New Topic ✚ Reply