Are gifts given to doctors—due to compulsion from the company and the doctor—considered bribery, and is the sin lifted from the compelled employee, and what is the legitimate way to dispose of the money resulting from it, and is it obligatory to leave this job?

It is impermissible to give gifts to doctors so they prescribe specific company products to patients, as this falls under the ruling of bribery. It is forbidden to act as an intermediary between the briber and the bribed, or to cooperate in any way in such an act, as Allah Almighty says: "And do not cooperate in sin and aggression." The Prophet (peace be upon him) cursed the briber, the bribed, and the intermediary.

If you are unable to refrain from this mediation or cooperation, you must leave this job, unless leaving it would place you in a compelling necessity that can only be averted by remaining in it. In such a case, you may stay until you find another job, and the sin is then lifted due to necessity, as Allah Almighty says: "And He has explained in detail to you what He has forbidden to you, except what you are compelled to."

The compelling necessity means that you would not find food, clothing, or shelter for yourself and your dependents if you left the job, and there is no other work available, even if the salary is lower. So, if you mean by compulsion that refraining from the forbidden mediation will lead to your dismissal from work and reaching the point of compelling necessity, then compulsion in this case lifts the sin from you. Otherwise, the sin is not lifted due to the absence of legitimate duress.