You open your mouth to pray and nothing is there. That happens to people with cancer, and to the people who drive them to appointments, and it happens to people who have prayed every day for forty years. A prayer for cancer patients doesn’t have to be long, or well made, or even finished.
This post is about what to say when you can’t think of anything. There are three short prayers you can use as they are, a word about silence, and a few lines on praying with the person next to you. Each one is a prayer for cancer patients and for the people beside them.
When a prayer for cancer patients feels out of reach
The news usually arrives in a hospital corridor, a kitchen, a parked car. Then the days fill up with scans, forms and phone calls, and the part of you that used to pray goes quiet. You sit down in the evening, and there’s nothing there.
Plenty of people think this means something has gone wrong with their faith. It doesn’t. Saint Paul writes that “we don’t know how to pray as we ought,” and then adds that the Spirit himself prays for us with groanings which can’t be uttered (Romans 8:26). Paul says this about everyone, himself included. If he didn’t know, you’re allowed not to know either.
The Catechism describes prayer in very plain terms: the raising of one’s mind and heart to God (CCC 2559). Raising your mind and heart is a small thing. A tired person can do it in a second. So a prayer for cancer patients can be a sigh, a single word, or one sentence said in the car.
Why a short prayer for healing is still a prayer
A short prayer for healing can be six words. “Lord, help me. Stay with me.” That’s a whole prayer, and God doesn’t grade it.
Catholics have prayed this way for a very long time. The Jesus Prayer, “Lord Jesus Christ, have mercy on me,” is one breath long. So is the cry of the father in Mark’s Gospel: “I believe. Help my unbelief!” (Mark 9:24). He said it with tears, in front of a crowd, and Jesus listened to him. A catholic prayer for the sick can be that small, and the Church has never asked for more than a sincere heart.
A short prayer for cancer patients: three you can say
Here are three. Use them word for word, or change them until they sound like you. If you’d rather say something of your own, do that. They are here so there’s something in your hand when the page is blank, and each is a prayer for cancer patients that fits on a card in your wallet.
A prayer for cancer patients on the days you can’t pray
This one is from the book Let Go into Love, from the page called “When I Can’t Pray.” It asks the Holy Spirit to do the praying for you.
Holy Spirit, I can’t pray today. I don’t have the words or the strength. Pray in me. Take every sigh and every groan and make it a prayer. Amen.
You can say it lying in bed, sitting in a chair, or in the middle of a sleepless night. If you only get as far as “Holy Spirit, pray in me,” stop there. That counts.
A prayer before chemotherapy
A prayer before chemotherapy is mostly said in a car park, in a waiting room, or on the way in. It has to be short enough to say while you’re holding a bag and a coat. I wrote this one for this post.
Lord, I’m here. I’m frightened, and I’m here anyway.
Stay with me in this chair, and with the people looking after me today.
Get me through this afternoon, and I’ll leave tomorrow to you. Amen.
Nobody can tell you how a treatment day will go. This prayer doesn’t ask for any particular result. It asks for company. If you want a longer prayer for cancer patients before treatment, the same words work as a first line.
A prayer for the nights
Father, it’s dark and I can’t sleep.
I put this night in your hands, and the person beside me, and the morning.
Into your hands. Amen.
Some people say it with a rosary, a holy card or the edge of the blanket in their fingers. Hands like having something to do. A prayer for someone with cancer, said at three in the morning by the person who’s awake beside them, can be these same three lines.
It helps to tie a prayer to something you already do. Say the first line when you switch off the lamp, or when you put the kettle on, or when the car turns into the hospital drive. After a week the habit carries the prayer for cancer patients on days when you’ve forgotten to decide anything.
Silence counts as prayer
Some days you won’t have even one sentence. Sit still instead. The Catechism says that contemplative prayer is silence (CCC 2717), which means the Church already counts a quiet with God in it as a way of praying.
You don’t have to do silence well. Your mind will wander to the car, the appointment, the money. Let it wander, and come back to one word if you need something to hold: “Jesus,” or “here.” A prayer for cancer patients with no words in it is still a prayer. It can be five minutes on the edge of the bed with the phone turned face down.
If you’re a caregiver, the same is true for you. By evening you may be too tired to say anything at all. Sit down, breathe, and let the day go. A few minutes like that, in a parish side chapel or at your own kitchen table, is a real prayer for someone with cancer, and nobody needs to hear it.
People sometimes ask whether silence is enough. For a prayer for cancer patients, it is. Nobody is counting words, and God doesn’t need them to know what you mean.
Praying together when neither of you knows what to say
Praying out loud with another person can feel awkward, especially if you’ve never done it. A husband and wife married for decades may never have prayed together once. A grown son may not know how to start with his mother.
Jesus made a plain promise about it: “For where two or three are gathered together in my name, there I am in the middle of them” (Matthew 18:20). Two people are enough. One patient and one caregiver, two old friends, a mother and a daughter.
A simple prayer for cancer patients and caregivers together
Hold hands if you both want to. One of you reads the verse above. The other says this, which is from the book (the page called “When We Pray Together”):
Jesus, there are two of us here, and we’re gathered in your name. Be in the middle of us. Hold what we can’t hold, say what we can’t say, and stay in this room with us. Amen.
Then sit for a minute without talking. That minute is part of the prayer. If it feels strange the first time, it may feel less strange the third. A prayer for cancer patients shared like this takes under two minutes, and you can do it before a drive to the hospital or after supper.
Distance doesn’t stop it. A daughter in another city can read the same lines down the phone, and her father can answer with the Amen. A prayer for cancer patients can travel that way, and it often reaches the person who is too tired to talk about anything else.
If you’d like to read more on how faith and illness sit together, the post on cancer and faith goes into it.
One prayer for today
If you remember one line from this post, make it the shortest: “Lord, I’m here.” You don’t need more than that tonight. Tomorrow you can say it again. Say a prayer for cancer patients in the same words tonight, if that’s all you have. A prayer for cancer patients said twenty times in a week, in the same six words, is just as good as a long one said once.
Let Go into Love: A 90-Day Catholic Companion for Cancer Patients and the People Who Care for Them is out in November 2026, and you can read about it on the book page. Each page has a short prayer like the ones above. A free nine-day novena is there too, if you’d like to start praying today.