Omnipotent and eternal God, the everlasting Salvation of those who believe, hear us on behalf of Thy sick servant, N., for whom we beg the aid of Thy pitying mercy, that, with his bodily health restored, he may give thanks to Thee in Thy church. Through Christ our Lord. Amen.
Further reading
Joyce Rupp offers reflections and prayers on the companionship of Jesus in suffering. Arranged for the forty days of Lent, this devotional may also support personal prayer during illness.
Jesus, Companion in My Suffering: Reflections for the Lenten Journey by Joyce Rupp (paperback) on Amazon (paid link)