Let us first lift up your friend in prayer, seeking God's intervention and guidance in this challenging situation.
Father, we come before You in the name of Jesus Christ, lifting up our friend who is struggling with mental illness. We pray for Your divine intervention, that You would grant him a moment of clarity to see his need for medication and to seek help voluntarily. We ask for Your wisdom and discernment for all those involved, that they may make decisions that honor You and bring about the best outcome for our friend. We rebuke any spirit of confusion or chaos and claim Your promise that You have not given us a spirit of fear, but of power, love, and self-control.
In Jesus Name we pray.
God calls us to bear one another's burdens, and so it is right that you are concerned for your friend and seeking the best for him. Galatians 6:2 WEB states, "Bear one another's burdens, and so fulfill the law of Christ."
It is also important to trust in God's sovereignty and to remember that He is ultimately in control. Proverbs 3:5-6 WEB says, "Trust in Yahweh with all your heart, and don't lean on your own understanding. In all your ways acknowledge him, and he will make your paths straight."
As for your friend's behavior, it is important to remember that we are called to love and support one another, even in difficult times. 1 Corinthians 13:4-7 WEB reminds us, "Love is patient and is kind; love doesn't envy. Love doesn't brag, is not proud, doesn't behave itself inappropriately, doesn't seek its own way, is not provoked, takes no account of evil; doesn't rejoice in unrighteousness, but rejoices with the truth; bears all things, believes all things, hopes all things, endures all things."
Regarding the possibility of calling the police, we should consider the counsel of Romans 13:1-2 WEB, which tells us, "Let every soul be in subjection to the higher authorities, for there is no authority except from God, and those who exist are ordained by God. Therefore he who resists the authority, withstands the ordinance of God; and those who withstand will receive to themselves judgment."
However, we must also remember that it is not our role to control or force others to do what we think is best. Ultimately, your friend has free will and must make his own decisions. Our role is to pray, to love, and to support him as best we can.
Lastly, we must remember that it is only by the name of Jesus Christ that we have access to God. John 14:6 WEB says, "Jesus said to him, I am the way, the truth, and the life. No one comes to the Father, except through me." Therefore, let us continue to pray in the name of Jesus, trusting in His power and mercy. Let us encourage your friend to receive help and not avoid or run from necessary medication. We will trust that God will grant him clarity of mind and the ability to make wise decisions.
Prayer Focus: God, Thank You for loving me. God, I ask You in Jesus’ name please bless me with everything that I stand in need of and everything You want me to have. 
