You are right of course, and the confusion is easy to solve by formulating more accuratly like this
If 'used at a lower dose, it might have EVEN fewer side effects'
Also important is to realise that what exactly are 'side effects' is different for each person.
And what is a side effect for one person, can be a cure to another, and, very important, this can also be, and often is in fact a person who didn't receive the medical treatment at all
You are right of course, and the confusion is easy to solve by formulating more accuratly like this
If 'used at a lower dose, it might have EVEN fewer side effects'
Also important is to realise that what exactly are 'side effects' is different for each person.
And what is a side effect for one person, can be a cure to another, and, very important, this can also be, and often is in fact a person who didn't receive the medical treatment at all