Kids' corner · Comic No 4
Clara and the nitrogen treatment
A reassuring comic to help children understand how a wart is treated with cold. The comic pages are in French; the full text is available in English below.
- 2 pages
- To read together
- Cryotherapy
Well done, you read the whole story!
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Read the comic text in English
Page 1 — Discovering the care, gently
1. Welcome!
- On the poster: “Welcome to our clinic!”
- Clara: “Hello! I'm Clara. We're going to look at your little bump and I'll explain the care.”
- The mother: “Thank you, he was a little worried.”
- The child: “Okay!”
2. Let's chat a little
- Clara: “Does the area hurt? Have you ever had this care before?”
- The child: “No… I just want it to go away.”
- On the poster: “Little care for big victories!”
- Key point: Clara first checks whether the care is appropriate.
3. What is a wart?
- Clara: “Nitrogen is used to freeze the wart to help the body get rid of it.”
- The drawing shows three steps: a little bump on the skin (wart), we freeze it with very cold nitrogen, then the body gradually gets rid of it over time.
- Key point: sometimes more than one treatment may be needed.
4. Looking at the area
- Clara: “I'm looking at the area before we start.”
- The child: “I'm okay.”
- Clara: “I'll explain every step, and we'll stop if you're too uncomfortable.”
5. The care is possible
- Clara: “The care may sting a little and feel very cold, but it's quick.”
- Key point: the treatment is done gently and stops if the child is too uncomfortable.
- Key point: a consultation is used to check whether the treatment is appropriate.
6. Ready for what's next?
- Clara: “I'll stay gentle and tell you what I'm doing.”
- The child: “I'm ready!”
- A little star: “Mission bye-bye wart!”
“A reassuring comic to help children understand their care.”
Page 2 — The care and going home
1. Getting settled
- Clara: “I'm getting you nice and comfy so it's easier.”
- The child: “Like a real brave kid!”
- A little star: “Ready for the mission!”
2. The treatment begins
- Clara: “We apply the very cold nitrogen for a few seconds.”
- The child: “It's cold… but it's okay!”
- Key point: the care is done gently.
3. Checking that you're comfortable
- Clara: “If it's too uncomfortable, you tell me, okay?”
- The child: “Okay!”
- The mother: “You're very brave.”
4. All done!
- Clara: “Well done! The treatment is finished.”
- The child: “Already?”
- Key point: after the care, the area may turn red, feel sensitive or form a small blister.
5. At home
- Clara: “At home, watch especially for significant pain or anything that worries you.”
- Watch for: mild redness, sensitivity, small blister.
- Contact the clinic if there is significant pain or any concern.
6. Time to go
- Clara: “Well done! You were brave.”
- The mother: “Thank you!”
- The child: “Goodbye, Clara!”
- The child holds a card that says “Super brave!”
- On the poster: “Little steps make big victories!”
“Understanding the care often helps children feel more confident.”
For parents: good to know
- A consultation with a nurse practitioner (NP) is required before a liquid nitrogen treatment, unless you have a valid prescription from an authorized professional. The NP checks that the lesion can be treated this way.
- During the application, a burning sensation is usual. Afterwards, redness, swelling or a blister may appear, and several sessions are sometimes needed.
- Contact the clinic if, after 48 hours, the treated area becomes increasingly red, swollen or painful, or if fluid drains from it after 24 hours.
Psst… a little secret from Clara
In the comics, Clara puts on her scrubs to tell the story of the care. In real life, Clara is the website's virtual assistant: the clinic's nurses and health professionals are the ones who provide care. Clara is here to guide you around the website!
Kids' corner
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Clara's comics are intended to inform children and their parents. They do not replace a consultation or an assessment by a health professional. In an emergency, call 911. For health advice, call Info-Santé 811. Page published on October 16, 2026.


