Is it permissible to masturbate for treatment, based on the recommendation of a trustworthy doctor, and then stop, while being able to marry and seek a suitable wife?

Masturbation is forbidden by Islamic law. A Muslim should strive to marry a religious woman, even if she is not at the desired level of beauty or wealth, because Allah will compensate him with something better than what he left for His sake, in accordance with the Prophet's (peace be upon him) saying: "Verily, you will not abandon anything for the sake of Allah, the Mighty and Majestic, except that Allah will replace it with something better for you."