Question Summary:
I have a heat rash on my anus but the only way to calm it down is to use medication cream, and this cream contains a substance called steroid. if I use the cream during fasting will it break my fast?

Question Detail:

I have a heat rash on my anus but the only way to calm it down is to use medication cream, and this cream contains a substance called steroid. if I use the cream during fasting will it break my fast? please help me. because you have to use it or I feel intolerable pain. it really hurts. because I scratch hard because my body is not used to the hot humidity

Answer :

In the name of Allah, Most Gracious, Most Merciful

Assalaamu `alaykum waRahmatullahi Wabarakatuh
 
It is permissible for you to put medication cream on your anus while fasting.  It will not break your fast. 
 
(أحسن الفتاوى، كتاب الصوم: 4/440؛ سعيد)
 
(فتاوى محمودية، كتاب الصوم، باب ما يفسد الصوم وما لا يفسد: 10/142؛ فاروقية)
And Allah knows best
Wassalaamu `alaykum
Ml. Abrar Mirza,
Student Darul Iftaa
Darul Iftaa, Madrassah In'aamiyyah