I find the lowest tirzepatide amount keeps unwanted reactions minimal, though it really hinges on the prior semaglutide quantity someone took. Coming from the highest sema level, moving directly to double the tirz amount seems quite low risk for most. People often report milder reactions even at the top tirz level compared to that sema dose, yet beginning there isn't something I'd jump into right away. When hunger stayed high and the scale didn't move, raising the amount gradually every couple weeks worked okay after a solid sema run. For those coming off smaller sema quantities, spacing increases further apart like monthly follows the usual pattern. These meds both hit their highest concentration after a full day, meaning side effect checks come the next day. Tirzepatide generally shows fewer stomach issues overall versus semaglutide while delivering greater fat reduction, since the extra hormone action offsets some GLP-1 downsides and boosts the loss effect.