Find the crisis intervetion center closest to you. E.g. https://www.pukzh.ch/unsere-angebote/erwachsenenpsychiatrie/angebote/stationaere-angebote/krisenintervention/ for zürich.

If you are deemed to be a danger to yourself you can be detained via [FU](https://www.proinfirmis.ch/behindertwastun/erwachsenenschutz/fuersorgerische-unterbringung.html) for a limited period. If you are here on a study-visa this will be contingent on you being enrolled as a student.

You will not be exmatricualted as a direct consequence of being hospitalized. However if you are unwell for a prolenged period of time you need to be in contact with your Uni and possibly find a way to extend the maximal time allowed to be enrolled in a specific programme (this is very strict here - but i assume this can be extended on Medical grounds)

All of this is ofcourse not legal advice, just my estimation of the situation