Formal:
* Me fatigue (vous/tu/ils/elles). (This literally translates to "You are tiring me out.")
* Vous/Tu/Ils/Elles me donnez/donne/donnent des nerfs. (This translates to "You are giving me nerves.")
Informal:
* Tu/Vous me/m' cassez/casse les nerfs! (This is the most common way to say "You're getting on my nerves!" and is quite strong.)
* Tu/Vous me/m' fatiguez/fatigues! (Similar to "You're tiring me out!")
* Tu/Vous me/m' faites/fais péter un câble! (This translates to "You're making me go crazy!")
* Tu/Vous me/m' sortez/sort du cerveau! (This means "You're driving me crazy!")
Choosing the best option depends on the context and your relationship with the person you're talking to.
* The formal options are more polite.
* The informal options are more casual and can be used with friends or family.
* "Cassez les nerfs" is the most common and direct, but it can be quite rude.
Remember to use the appropriate pronouns (vous/tu/ils/elles) depending on who you are talking to.