the Bible is full of promises that can be claimed relative to health and healing. I have been claiming these promises for many years and have personally seen answers come in answer to prayer, as well as heard many testimonies in the same regard. I hope providing such a list will help you in your prayers for the sick.
Matthew 10:1 And when He had called His twelve disciples to Him, He gave them power over unclean spirits, to cast them out, and to heal all kinds of sickness and all kinds of disease.
Exodus 15:26 If you diligently heed the voice of the LORD your God and do what is right in His sight, give ear to His commandments and keep all His statutes, I will put none of the diseases on you which I have brought on the Egyptians. For I am the LORD who heals you.”
Mark 10:27 But Jesus looked at them and said, “With men it is impossible, but not with God; for with God all things are possible.”
James 5:14-16 Is anyone among you sick? Let him call for the elders of the church, and let them pray over him, anointing him with oil in the name of the Lord. And the prayer of faith will save the sick, and the Lord will raise him up. And if he has committed sins, he will be forgiven. Confess your trespasses to one another, and pray for one another, that you may be healed. The effective, fervent prayer of a righteous man avails much.
1John 5:14-15 Now this is the confidence that we have in Him, that if we ask anything according to His will, He hears us. And if we know that He hears us, whatever we ask, we know that we have the petitions that we have asked of Him.
John 14:12-14 “Most assuredly, I say to you, he who believes in Me, the works that I do he will do also; and greater works than these he will do, because I go to My Father. And whatever you ask in My name, that I will do, that the Father may be glorified in the Son. If you ask anything in My name, I will do it.
John 15:7 If you abide in Me, and My words abide in you, you will ask what you desire, and it shall be done for you.
John 16:23 If you abide in Me, and My words abide in you, you will ask what you desire, and it shall be done for you.
Psalms 41;1-3 Blessed is he who considers the poor;
The LORD will deliver him in time of trouble.
The LORD will preserve him and keep him alive,
And he will be blessed on the earth;
You will not deliver him to the will of his enemies.
The LORD will strengthen him on his bed of illness;
You will sustain him on his sickbed.
Malachi 4:2 But to you who fear My name
The Sun of Righteousness shall arise
With healing in His wings;
And you shall go out
And grow fat like stall-fed calves.
Isaiah 53:5 But He was wounded for our transgressions,
He was bruised for our iniquities;
The chastisement for our peace was upon Him,
And by His stripes we are healed.
Isaiah 58: 8 Then your light shall break forth like the morning,
Your healing shall spring forth speedily,
And your righteousness shall go before you;
Psalms 103:2-4 Bless the LORD, O my soul,
And forget not all His benefits:
Who forgives all your iniquities,
Who heals all your diseases,
Who redeems your life from destruction,
Who crowns you with lovingkindness and tender mercies,
Psalms 107:18b-20 And they drew near to the gates of death.
Then they cried out to the LORD in their trouble,
And He saved them out of their distresses.
He sent His word and healed them,
And delivered them from their destructions.
Oh, that men would give thanks to the LORD for His goodness,
And for His wonderful works to the children of men!
Let them sacrifice the sacrifices of thanksgiving,
And declare His works with rejoicing.
Isaiah 41:10 Fear not, for I am with you;
Be not dismayed, for I am your God.
I will strengthen you,
Yes, I will help you,
I will uphold you with My righteous right hand.’
Jeremiah 17:14 Heal me, O LORD, and I shall be healed;
Save me, and I shall be saved,
For You are my praise.
3John 1:2 Beloved, I pray that you may prosper in all things and be in health, just as your soul prospers.
Matthew 18-19 “Again I say to you that if two of you agree on earth concerning anything that they ask, it will be done for them by My Father in heaven. For where two or three are gathered together in My name, I am there in the midst of them.”
Acts 5:12 And through the hands of the apostles many signs and wonders were done among the people. And they were all with one accord in Solomon’s Porch.
Acts 14:3 Therefore they stayed there a long time, speaking boldly in the Lord, who was bearing witness to the word of His grace, granting signs and wonders to be done by their hands.
Philippians 4:4-6 Rejoice in the Lord always. Again I will say, rejoice! Let your gentleness be known to all men. The Lord is at hand. Be anxious for nothing, but in everything by prayer and supplication, with thanksgiving, let your requests be made known to God.
All these texts come from the NKJV bible.