9 Common Pre-school Illnesses to Prepare for Now (because they’re coming! )
Starting preschool is an exciting milestone, but it also means your child will likely face common preschool sicknesses as their immune system adjusts. Understanding these illnesses can help Australian parents feel more prepared and confident during this new stage.
Your child is sick. There are many.
Yep. It’s not only a milestone in your child’s social and educational development, but also an opportunity for their immune system to be thrown into the deep end with other cute little germ factories. They put everything into their mouths and have no personal hygiene. toddler development.
But don’t panic. All of this is normal. It’s frustrating, yes. It’s emotionally and physically draining. Absolutely. It’s part of the process to help their immune system grow stronger.
What’s the good news? It’s important to be prepared. Here’s your Survival Guide for Preschool Illness, a comprehensive look at the nine most prevalent illnesses that tend to affect preschoolers in their early years of childcare. baby care. ACECQA.
1. The Common Cold and Its Best Friend, the Ear Infection
What is it? An upper respiratory virus that spreads rapidly through pre-school classrooms.

How it looks:
- Runny or stuffy nasal discharge
- Sneezing
- Coughing
- Sore throat
- Low-grade fever
- General grumpiness
- Tugging the ears is a common sign of an ear infection.
Yes, it’s true. Most children get 8-12 colds per year. It’s like a rite of passage for preschoolers. Their immune systems are still in development, so they’re more susceptible to any sniffle.
Why a cold can feel like it never ends: As soon as the first one is gone, a new one appears. You can also get ear infections (which are caused by fluid accumulation after a cold). This will make your child grumpy and uncomfortable.
What is?
- Rest as much as you’re allowed
- Fluids and fluids and more fluids
- Ibuprofen or paracetamol for fever or pain in children is safe to use
- Warm compresses to soothe ear pain
- Consult your doctor if the symptoms persist for more than a few weeks
When you should stay at home: Keep your child home if he or she has a persistent cough, fever, or is clearly unwell. Bonus tip: Buy tissues in bulk.
2. Influenza (The Big, Bad Flu)
What is it? It’s a viral infection that can make your child and your family sick for several days.
How it looks:
- High fever that suddenly appears
- Muscle aches, chills, and achy muscles
- Headache
- Fatigue or extreme fatigue
- Vomiting and diarrhoea in children (especially young ones)
- Dry cough and sore Throat
The flu is more severe than a cold. It can last for up to a week and leaves children feeling wiped out.
Why is it hard? Children under five are especially vulnerable to complications of the flu, such as pneumonia. Do not delay seeking medical attention if your breathing appears to be struggling to breath or deteriorating.
What is?
- Rest and Comfort
- As directed, take fever-reducing medication
- Drink plenty of fluids.
- Advice from your doctor, especially if you need antivirals
Prevention tip: The influenza vaccine is recommended for all children older than six months. The flu vaccine is not a magical shield, but it can reduce the severity of illness and complications.
Stay at home when: Always. The flu is highly infectious and will take your child at least one week to recover.
3. Croup (The Midnight Bark),
What is it? An infection that causes swelling of the upper airways and throat in children younger than five years old.
How it looks:
- Hoarse voice
- Coughing like a seal
- Loud or labored respiration (especially at Night)
- Stridor is a high-pitched wheezing sound that occurs when you breathe in.
Croup is often a mild cough, which then transforms into the “barking” type of cough. This can send parents into a panic in the middle of the night.
Why is it so hard? It’s usually worse at night, and can be distressing to both you and your children. The majority of cases are mild. However, severe cases may affect breathing and need urgent medical attention.
What is?
- Calm your child down and comfort him (crying may worsen symptoms).
- Steam from a shower or a cold night can ease breathing
- Paracetamol for fever
- If your child has difficulty breathing, is unable to settle, or appears lethargic, you should visit your GP.
Stay at home until symptoms have completely resolved. Early symptoms of croup are contagious.

4. Pertussis (Whooping Cough)
What is it? It’s a bacterial infection that causes severe coughing and the “whooping sound”. It is extremely dangerous for infants and young children.
How it looks:
- Dry cough that becomes violent
- After coughing, you may hear a whooping noise
- Vomiting after coughing
- Runny nose and slight fever
Whooping cough, despite widespread vaccination, has returned in recent years. This is often due to low vaccination rates in some communities. vaccination information.
Why is it so tough? The symptoms can last up to weeks and can even be fatal in infants. Even children who have been vaccinated can get a mild version of the disease.
What is?
- Antibiotics.cs – Early treatment is essential
- Isolation of the patient during the infectious phase (often for weeks).
- Checking for breathing or dehydration issues
Stay at home if you are sick: Definitely, until cleared by your doctor. This is one of the most infectious childhood diseases.
5. Tummy Bugs (Gastroenteritis)
What is it? An infection of the stomach or intestines caused by a virus (often norovirus or rotavirus).
How it looks:
- Vomiting
- Diarrhoea
- Stomach cramps
- Mild fever or fatigue
Gastro can spread quickly and furiously, sometimes through contaminated water, food, or even hands. One child’s vomiting in preschool can cause a widespread outbreak.
Why cleaning is hard: Cleaning up after a messy event can be exhausting and time-consuming. What is the greatest risk? Dehydration–especially in young kids.
What is?
- Rest and quiet time
- Take sips of electrolyte solution (like Hydralyte or water)
- Once vomiting stops, eat bland and small meals
- They’ll need extra cuddles
Stay at home for 48 hours following the last episode of vomiting or diarrhea.
6. Hand, Foot, and Mouth Disease
What is it? It’s a common viral infection. Not to be confused with animal disease (foot-and-mouth).
How it looks:
- Intense pain inside the mouth
- Blisters or red spots on the hands, feet, and buttocks
- Fever
- Reduced appetite and irritability
HFMD can be highly contagious, and it is common to see cases in daycare centers.
Why is it so hard? Mouth sores make eating and drinking difficult, and even mild rashes can look alarming.
What is?
- Pain relief (ibuprofen and paracetamol).
- Fluids and soft food
- Rest and Reassurance
Stay at home until the blisters and fever have healed. Usually between 5-10 days.
7. Conjunctivitis (AKA Pink Eye)
What is it: Inflammation of the conjunctiva membrane (around the eye). It can be viral or bacterial.
How it looks:
- Red and irritated eye
- Yellow or green discharge
- Crusty eyelashes
- Itching or blurred vision
Super contagious–especially when little fingers are involved.
Why is it tough? Children rub their eyes continuously, spreading the virus quickly. Some centers require a doctor’s clearance before children can return.
What is?
- War.m compresses can soothe irritation
- Prescribed eye drops (antibiotics if bacterial)
- Handwashing is important
Stay at home until discharge stops and the eyes no longer appear red.
8. Chickenpox and Measles (Vaccine-Preventable, but Still Around)
Chickenpox symptoms:
- Fever
- Red spots that blister or scab
- Fatigue and crankiness
Symptoms of Measles:
- Runny nose, fever, and cough
- Red eyes (conjunctivitis)
- The hairline is affected by a blotchy rash
Why they’re tough: Both illnesses are highly contagious and can lead to serious complications–especially in infants, pregnant women, and immunocompromised individuals.
What is?
- Paracetamol for fever
- Calamine lotion and oatmeal baths can be used to soothe itching.
- Fluids and TLC
Staying home until fully recovered: This can take up to two weeks in the case of chickenpox, and even longer for measles.
Prevention Vaccination: It’s important. Speak to your GP if your child isn’t vaccinated.
9. Head Lice (Bloody, but Common) and Threadworms
The top problem for preschoolers is not a disease per se, but rather a lack of attention.
Head lice:
- Itchy scalp
- Visible lice or nits in the hair
Treatment: Use combs and lice shampoo available over-the-counter.
Threadworms:
- Itchy skin, especially at night
- Restlessness
- Worms in stool
Treatment: Oral medications for the entire family and obsessive washing of hands.
When you should stay at home: It is not always necessary to stay at home for lice and worms. However, it is important to follow the preschool’s policy.

Conclusion
The list of illnesses that can affect children in preschool is long, and it’s true. When you tell seasoned parents that your child will be starting preschool or daycare, they give you a knowing look. All of it is part of the experience: the constant sniffles and mysterious rashes. The late-night fevers. And the surprise calls asking you to pick up your child. This is not the chapter that anyone looks forward to as a parent, but we must all face it.
It’s important to note that, while these diseases are common, most of them can be managed. The majority of these illnesses are self-limiting. They go away with rest, fluid, and patience. Some may need a doctor’s visit and antibiotics, while others are not a cause for alarm.
This period is difficult for both you and your child because of the emotional impact. It’s heartbreaking to see your child sick or in pain, especially if they can’t express their feelings. This phase can seem endless, especially when you have to juggle work, manage time off, change plans and run on little sleep. children’s health.



