Yes, this is easy.
Although most people do well on their first choice, if it is difficult you can change one or all or the drugs.
This will not harm your long-term health. It will not reduce your treatment options. You can still use the same drugs in the future.
You have many choices, especially if your viral load is already undetectable.
You do not have to put up with difficult side effects.
For most people it is often better to see whether it gets easier after the first weeks or month.
A few people may change quickly, even after only a few days.
Everything in HIV care is individual.