Again... you are moving the goal posts... I just pointed out that you started by saying 100 mg was USELESS... as in having no use... some people said that might not be true. Then when YOU posted that 100 mg can be useful in some cases but its still not ideal... which no one every argued...? You also post really long, multiple posts in a row referencing seizures then bipolar then effectiveness data then tolerability data. Its like you keep changing the subject matter to keep an argument. Thats all.
Everyone wants to obsess over that fact that my assertion that the recommended dose was 300, not 200. I looked it up and freely admitted I was wrong.
I said 100 mg is a useless dose - and per the FDA, it is. I made a point of mentioning where there were caveats even in that point - because I'm not trying to move the goalposts, I'm trying to make a point while admitting where I am wrong and trying to clarify. People that want to miss the point do so.
Let's make it clear a last time - the lamictal leaflet says that some benefit *may* or *may not* be seen at 100 mg, benefit can be an indication of responsiveness, but that continuing to titrate to 200 mg is recommended.
I didn't look closely at the study that said 50 mg might have some benefit in sleep in bipolar. I still think stopping there is useless in a symptomatic patient because studies support some dose dependent responsiveness, with 200 mg being superior to 100 mg for depression. Again, I mention it because I didn't include it in my first statement about the utility of 100 mg.
So I guess it's not *strictly* useless, but it seems pretty useless to stay below the recommended dose in a symptomatic patient, especially when the guideline says that even with some benefit being seen at 100 mg, that is not an indication to stop but to keep going. Maybe I should have said, "100 mg is a useless dose in a patient with inadequate treatment response to an inadequate dose of medication."
Doing nothing is not the same thing as being useless. I never said 100 mg does nothing.
I brought up szs and dosing to give some perspective on "how much lamictal is a lot of lamictal." 300-400 mg is not a lot of lamictal. 500 mg is not a lot of lamictal. 600-800 mg of lamictal is a lot, but I've seen it. I'm not recommending anything past 400. Just trying to offer some perspective on why I think 100 mg is not a good dose, and I think going up to 300-400 is a reasonable and safe thing to try, as has providers I've worked with. You all may think this is quackery. OK.
Also consider going up on lamictal in patients on estrogen as it can increase clearance up to 2x is what I learned. Perhaps this is why I have seen 300-400 mg so commonly used.