Some patients won't substitute the branded drug for a generic, because it does not makes any effect. Why does this happens?
Thyroid medicine has T 4 and T 3. Some people have a hard time converting or breaking down T 4 into T 3. It's like diabetics need more protein, and dried beans have protein, but diabetics cannot absorb the protein from cooked dry beans like other people can. They have to get protein from meat and tuna.
Now to the other part of the question-later I'm going post an article about the problem of generic drugs. Basically-a brand makes a med with ingredients and they are compounded with ways for it to be absorbed in the body by a certain length of time-usually the best optimal time for a person to have the best effects. Generics quite often have to put extra coatings or different types of coatings and binders that slows down the absorption rate-at least changes it. Instead of thinking of a pill- we need to think of many little pills inside a capsule or pill, and each little pill dissolves and hits our systems at different times. The FDA has refused to listen to complaints, but now they say they'll look into this problem. Don't hold your breath-and good luck.
I discussed this with my Endo. He said that the generic range is not accurate and is a range of 10% too high or low. So the control on generics depends on the manufacturer. You can actually bet they will put less since they save money.
The brand name is exactly as stated. All my prescriptions are written for non generic and the doctor adds: do not substitute.
You can check what you have with the name of the drug and the pill identifier above. There are pics of the actual pill and that will help you be sure what you are taking.
Wow, after reading these replies I think
I'll try to insist on Synthroid. Knowing the Insurance providers, it will probaby require a letter from my MD to get the real thing, right? I've felt for a while my symptoms were not well controlled-this could be why! I'm often cold when no one else is and my hair falls out-a lot! My blood tests are always in normal range, however. I've read that one must be insistent in requesting a dosage change if one's health care provider doesn't acknowledge that tests don't always tell the whole story with hypothyroidism. Is there a good alternative to Synthroid or is about the only game in town?
You guys are all the best!! Love knowing the Community is always here for me. :))
When I was first diagnosed with hypothyroidism, my dr prescribed Synthroid, and almost immediately I felt different. I had energy again, my mood was different, I no longer felt anxiety and constant tension, and I lost 30 pounds in 3 months without changing anything diet or exercise wise. I had zero problems maintaining my weight while on Synthroid (I'm a naturally thin person, so my weight gain was one thing that prompted me to have my thyroid checked to begin with.) Several years ago, my pharmacy automatically filled my prescription with Levoxythyroxine during a refill and I didn't catch it for a while. I didn't notice a difference in mood, energy, or weight gain so I continued to take the generic form.
The change was so gradual, it took me 4 years to pinpoint that the Levoxythyroxine had caused me to regain the weight, my energy levels plummeted, and my mood was back to constant anxiety and tension, like I wasn't even on medication. I have had so many life changes over the past 4 years (got married, had 2 babies, started my own business, and moved out out of state) that I chalked it all up to those things. My blood work always came back fine. Within the past 3 months, I finally pinpointed that the Levoxythyroxine was the problem and my dr switched me back to Synthroid. My mood and energy level changed almost instantaneous. It's too soon to tell with the weight gain/loss, but just the difference in the way I feel on Synthroid, I will never go back to taking generic. It just is not the same and does not work for me.
OK. I'm new here found this forum because I have stopped taking levothyroxine after it caused painful inflammation of my thyroid. I stopped going to see the doc for couple of months and decided to go see her. She blood tested me and said I had no thyroid activity and I told her that the levothyroxine had quit working and I was getting all the side effects :Moody, weight gain, and swollen thyroid. She wrote me a script for synthroid so I will be starting those tomorrow. I am happy to read that some of you have been feeling better with the synthroid. I believe that a body can build a resistance against some pharmaceuticals after detecting that they are synthetic. Levothyroxine worked for two years before it backfired so hopefully Synthroid will take care of me at least for a few years.
My doc decided to switch me from the generic to Synthroid just yesterday. I did not request or mention it. She thinks it will work better and not cause so much hair loss. I've been on the levo for 2 months. My numbers have improved but hair loss is troubling. Will report back after 2 months on the Synthroid! These forums are great!
I've been on thyroid replacement for over 12 years now and my doc and I have noticed a HUGE difference in the way they act. The biggest difference to me is that, while generic drugs are required to have the same active drug ingredients as the name brand in the same amount, it's the "inactive" ingredients that make the difference here.
I have found, and my doctor reached the same conclusion, that levothyroxine releases all of the TSH over a period of 6-8 hours, then you go 16-18 hours with no TSH. Synthroid releases it's TSH over a period of 16-18 hours so when it's reaching the period where it's not in your bloodstream any more, it's time for your next morning dose.
For this reason my mail order pharmacy fills all orders, generic or not, with name brand Synthroid. If the scrip is written for name brand only my co-pay is $85 for 90 days. If it allows generic substitute then it's $17 co-pay. I get the same bottle either way.
However, if I take it to a brick-and-morter version of the same pharmacy then I get generic levothyroxine.
I've been taking Levothyroxine since my thyroid was removed about 8 years ago, I've never loved it but its been OK and still seem to feel better than some on it. Recently my chemist was out of generic and gave me Synthroid instead which i was OK with because i've read it works really well for some, I've been on it two weeks and feel terrible, my brain feels like its miles away and I'm going thru the day on autopilot. Does it take a few weeks for a new brand to stabilize or should i be going to change back now?
I learned that some of the fillers are lactose based and others pose a potential allergic reaction that can minimize the effects of the full dose causing inaccuracies. For me, it was an automatic weight gain and puffiness in the face, etc. I am a lean, fit person so this was very distressing.
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