What to say to a family whose child has cancer, and the well-meant mistakes to skip

Say less, offer something specific, keep showing up

When a family's child has cancer, the most helpful things to say are short and honest: I am so sorry, I am thinking of you, and here is one specific thing I will do this week. Avoid explanations, comparisons, medical questions and advice about staying positive. What matters most is not finding perfect words but continuing to show up, with practical help, long after the first wave of messages has stopped.

I help connect families, donors and volunteers with Leia's Kids, a national 501(c)(3) that walks alongside children and families facing childhood cancer. The foundation was started by Leia Hunt Toellner, a two-time childhood cancer survivor, and the families we serve are generous about telling us what helped and what hurt. This guide gathers what they say, along with guidance from the National Cancer Institute. It is meant for friends, neighbors, coworkers, teachers and extended family.

Words that tend to help

Simple is better. Parents in the middle of a diagnosis are flooded with information and decisions, and they do not need anyone else's words to carry weight. They need to know they are not alone and that you are not going anywhere. A text that asks nothing of them is often the kindest message of the day.

If you are not sure what to say in person, it is fine to say exactly that. Honesty lands better than a polished speech. Then follow the parents' lead. Some want to talk about treatment; others want ten minutes of ordinary conversation about anything else.

Think about the channel as well as the words. A text or a card can be read whenever there is a quiet moment, while a phone call demands attention right now and a surprise visit may come at the worst possible time. Ask before visiting, keep visits short, and stay home if you have so much as a cold, because a child in treatment may be far more vulnerable to infection than you realize.

• I am so sorry. I love you all.
• No need to reply. I am thinking of you today.
• I am bringing dinner Tuesday. Any foods to avoid?
• Can I take the kids to school this week?
• I do not know what to say, but I am here.
• Would it help to talk about something completely different?

Phrases that land badly, even when meant kindly

Most hurtful comments come from love and nervousness. Knowing the common ones makes them easy to avoid. The pattern behind almost all of them is the same: they ask the family to manage your feelings, explain their situation or adopt an attitude, when what they need is simply to be accompanied.

Medical questions deserve a special note. It is natural to want to know the type of cancer, the stage or the odds, but those details belong to the family to share if and when they choose. The same goes for stories about someone else's cancer, especially ones that ended badly, and for articles about alternative treatments. If the family wants that kind of information, they will ask their child's doctors.

• Everything happens for a reason
• Stay positive; attitude is everything
• I know exactly how you feel
• My aunt had cancer and she ...
• What are the chances?
• Have you tried this diet or supplement?
• Let me know if you need anything

Myths that shape what people say

Some awkwardness comes from myths about childhood cancer itself. The first is that it is so rare it will never touch anyone you know. The National Cancer Institute estimated that 14,910 children and adolescents ages birth to 19 would be diagnosed with cancer in the United States in 2024, and it reports that cancer is the leading cause of death by disease after infancy among children in the U.S. It is less rare than people assume, which is why so many of us eventually know a family living through it.

The second myth runs the other way: that a diagnosis means there is no hope. The same NCI fact sheet reports five-year survival rates above 80 percent for every childhood age group in its 2013 to 2019 data, while also noting that some cancers and some age groups still lag far behind. Survival is not every child's story, and you should never assume an outcome either way. The right posture is to take your cues from the family, neither predicting the worst nor promising the best.

A third myth is that young children do not understand what is happening. NCI's guidance for parents says children should be told as soon as possible, in calm, honest, age-appropriate conversations. As a friend, that means following the parents' lead about what their child knows, and never discussing the diagnosis in front of a child in a way the parents have not chosen.

If you want to do more than talk

Words matter, and so does help a family can hold. If you know a family facing childhood cancer and want to connect them with practical support, or you want to support children and families you will never meet, reach out. I can tell you what Leia's Kids offers families, from grants for treatment-related costs to Royal Deliveries for a child in treatment, and how friends, schools and businesses can help.

Turning let me know into real help

Let me know if you need anything is the most common thing people say, and the least used offer in the world. It puts the work of asking on the person with the least energy to do it. NCI's guidance for parents notes that family and friends may want to help but not know what is needed, and it suggests keeping a list of concrete tasks others can do, such as cooking, cleaning, grocery shopping or driving siblings to activities.

You can make that easier from your side. Offer one specific task with a day attached, and accept a no gracefully. Coordinate with other friends so the family is not fielding ten separate offers. Gas cards, grocery deliveries and meals that freeze well are almost always welcome. If you would rather give a gift, I wrote about which gifts actually help a child with cancer, because more is not always better.

• A meal delivered on a set day, in containers they do not have to return
• School drop-off or pickup for siblings
• Lawn care, laundry or a house cleaning
• Gas or grocery cards for hospital weeks
• Sitting with a sibling so parents can be at the hospital together
• Running point on updates so parents do not repeat news all day

The brothers and sisters at home

Siblings are often the quiet casualties of a diagnosis. Their parents disappear into the hospital, their routines collapse and they watch every gift and visitor head toward the sick child. NCI encourages parents to spend some time with their other children every day, keep them informed and keep normal activities going as much as possible. Friends can make that possible.

Ask the sibling how they are doing, not only how their brother or sister is. Take them to the practice, the birthday party, the movie. Include them when you bring something for the patient. The Leia's Kids Hope Library includes a four-week grief journal written for a child who has lost a sibling, a reminder of how deeply brothers and sisters are affected.

Teachers and coaches are in a particularly good position here. A sibling may say nothing at home to avoid adding to their parents' worry, yet show the strain at school or on the field. A quiet word to the parents, or simply a little extra patience and attention, can matter more than anyone realizes at the time.

When the patient is a teenager or young adult

Teenagers and young adults with cancer face something particular: they lose the ordinary life their friends are living at the age when that life matters most. Talk to them as the young adult they are, not as a patient. Ask about their interests, not only their treatment. Keep inviting them, even when they cannot come, because being left off the list hurts more than declining.

Leia's Kids runs all-inclusive mental health retreats for patients ages 17 to 24, so they can connect with peers who understand. If a teenager in the family, whether patient or sibling, seems withdrawn or not themselves, encourage the parents to raise it with the care team. The guide for parents on teen mental health from a North Texas foundation is a helpful place to start.

Staying present after everyone else drifts away

The first weeks bring a flood of messages, meals and visits. Then life resumes for everyone except the family. Treatment can last months or longer, and the loneliest stretch is often the middle. Put a reminder in your calendar to check in a month from now, and the month after that. Remember the hard dates: scan days, the end of treatment, the anniversary of the diagnosis.

Small, steady gestures carry a long way in that middle stretch. A text on a scan day, a coffee left on the porch, an offer to sit with a sibling on a Saturday: none of these take much, and all of them tell a family that someone still remembers.

If the family needs organized help, you can gently point them to it. I wrote for parents on when to apply for childhood cancer financial help, and a broader piece on what the months after a diagnosis ask of a family. And if you live in Dallas–Fort Worth and want to talk through how to help a family you know, reach out to me. You do not have to get this perfect. You just have to stay.

Questions people ask me