You can pray for him to repent, then Jesus will heal him as a christian.

Never as a moslem.

If you remember the standoff Elijah had with the 450 prophets of baal.

God let them move first so there is no mix up on whose God.
1 Kings 18:20-39.

Also remember when Daniel (Chapter 2) interpreted the dream of Nebuchadnezzar, God let his occult men try and fail.
Then and only then did Daniel step in.
That way there's no confusion.

Note in verse 27, first thing daniel did was to make a distinction between God & their idols

Daniel answered in the presence of the king, and said, The secret which the king hath demanded cannot the wise men, the astrologers, the magicians, the soothsayers, shew unto the king;

Stupid, ignorant, inbred, mouth breathing fanatics everywhere.

With Christ in Christians Blood, Christians pray for friends and foes always, leaving God to answer in His Own Ways and at His Pleasure.
Christians are Apostles superior to Prophets.

Timi141:
Stupid, ignorant, inbred, mouth breathing fanatics everywhere.

Go read Surah 5:51 that allah denounces christians.
So why will our God that heals heal the follower of allah who never healed anybody?

orisa37:
With Christ in Christians Blood, Christians pray for friends and foes always, leaving God to answer in His Own Ways and at His Pleasure.
Christians are Apostles superior to Prophets.

God will never give His Glory to another, He gave Jesus Christ.