We join with you in prayer, Anonymous, lifting up your son and his situation before the Lord. We are thankful that you have acknowledged the power of Jesus' name in your request, for it is by His name that we have access to the Father and it is the only name by with we can be saved. As the scripture says
And in no other is there salvation, for neither is there any other name under heaven, that is given among men, by which we must be saved! WEB
We pray that the medication will bring needed healing to your son.
Father in heaven, we come before You in Jesus' name, lifting up the son of our fellow believer. We pray that the medication he is receiving will be effective in treating his condition, and that it will not cause any serious side effects. We ask for Your divine protection over his body, that the injection will help him and not harm him. Lord, guide the doctors and medical professionals, and help them make informed medical decisions.
We remember those who are sick and their recovery as God hears our prayers.
Is any among you sick? Let him call for the elders of the assembly, and let them pray over him, anointing him with oil in the name of the Lord, and the prayer of faith will heal him who is sick, and the Lord will raise him up. If he has committed sins, he will be forgiven. WEB
In the meantime, trust in the Lord, Anonymous, and rest in His promise to hear us when we pray.
We do not worry because the Lord hears our prayers.
Now we believe, not in ourselves, for our hearts are not fixed, but the Lord is faithful, who will establish us, and guard us against the evil one. WEB
Continue to trust in the Lord, and we will join with you in prayer until you see His goodness manifest in your son's life.