But only spelling or grammar mistakes.

nausea, diarrhea, indigestion, loss of appetite, increased sweating, shaking or trembling, decreased appetite, inability to ejaculate, and decreased libido.

Oh and projectile vomiting if you miss a dose, messed up sleep if you take it to late in the day, falling asleep at your desk if you take it too early.

Brain jolts, anxiety, vomiting when you try to come back off it.

https://www.nhs.uk/medicines/sertraline/side-effects-of-sertraline/

You can never remember the incantation

you now have tourette's and speak that incantation uncontrolably. the only medication for it is lead-based. lead is otherwise harmless to you.

You fall into a right wing incel cult and get shot by the police after trying to kill a liberal politician.

you notice peculiar signs that foretell great calamities but you can never make sense of it

However, the keyword is average. Sometimes you are extraordinarily good, and sometimes extraordinarily bad, but on the whole the average is slightly above.

You can turn invisible but only parts that are alive, in essence, cells. Your nails, your hair, the food you've eaten, pee... All can be seen though.

You can never sleep as your eyelids are also see through for you.

you can never hold a solid shape

Everyone knows where they are stored, piled up in your backyard, with no protective measures to stop them being stolen.

And I found the loophole

Every device you summon or you transformed into will smell like farts.