May one enter a permanent bathroom to urinate while wearing tefillin on one's head?

Daily LifeTzitzit & TefillinTefillin

Synopsis

The basic question is whether one may enter a permanent bathroom to urinate with tefillin on one's head. The Mechaber prohibits it as a decree lest one come to defecate; Rambam goes further and forbids it even in a temporary bathroom.

Rishonim
Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

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