Was heißt das auf Englisch?

Why did you have to stay in the hospital? (einfaches Englisch)

What was the reason for your hospitalizing? (persönlich)

May I ask why you were hospitalized? (höflich- fremde person)

Did you have serious medical issue/s?

What did you have?

What was your diagnose?

What kind of symptoms/sickness did you have?

why you were in the hospital ? due to illness or an accident?

What was the reason that you were taken to hospital?

wenn das Folgewort mit einem Vokal beginnt The (i) Amazings als Beispiel The (i) edge Anhang: auch das U ist ein Vokal :) Das u wird nur wenn es am Anfang steht wie Ju gespochen. The (i) - (j) universe Warum das so ausgesprochen wird? Frag die Geschichte :) Habe kein Englisch studiert ^^

"Why were you in the hospital?"

"What were you in the hospital for?"

^^ was ich persönlich sagen würde

throw all the broken english in the trash,

only good answer is from uǝǝןıǝ.

you also can say :

what ails you?

++

uǝǝןıǝ speaks fluent english, cause she´s living in UK.

and what for she got the thumb down. tz tz tz

Why have you been in the hospital?

What was the reason for you being in the hospital?

evtl. auch: What was wrong with you?

Die Umschreibung mit "haben" ist eine eher deutsche Wendung.

Why were you in the hospital ?

What happened to you ?

I wouldn't have posted, but since there are so many wrong answers here..

These I would ask if the focus is on the fact that they stayed at the hospital for a while, a few days perhaps.

"Why were you in the hospital?"

"What were you in the hospital for?"

If they were at the hospital only briefly, I would say:

"Why did you go to the hospital?"

"What did you go to the hospital for?"

Or in general:

"Why did you have to go to the hospital?"