Kid spiked a fever the night before our

I'll be straight with you: this is a fever decision that depends on a few facts you haven't told me yet. I'll lay out the framework and the red flags, then ask the one cluster of facts that decides go / delay / cancel.

Lint returned PASS. Here is the answer, as it stands:

Kid with a fever the night before the trip — what to do tonight and how to call the trip

A practical guide for a tired caregiver. No diagnoses, no doses, no prescription medicine. Just the framework, the red flags, and the trip decision.

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First — four facts that decide tonight and the trip

I can't honestly answer "go, delay, or cancel" without these. One short line each is enough:

1. Age of the child (and corrected age if they were born early).
2. Fever pattern — highest reading, when, where on the body it was measured.
3. Right now — alert and talking to you? Drinking and keeping fluids down? Breathing easy? Any rash, stiff neck, severe headache, vomiting, ear or joint pain?
4. Any of these since the fever started — a fit, very fast or hard breathing, blue lips, a rash that stayed when you pressed a clear glass on it, no urine in 8+ hours, or "just not themselves"?

Send those four and I'll tell you which branch you're in.

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Red flags — stop DIY, get urgent help now

Any one of these means: call your local emergency number now. If you can reach an emergency department faster and the exit is safe, set off — but call on the way if you can. Don't wait for the thermometer to "decide".

• Child under 3 months with a fever (38 °C / 100.4 °F or above).
• Hard to wake, won't stay awake, floppy, limp, won't stop crying or won't be consoled.
• A fit (seizure) lasting more than 5 minutes, or one that stops but the child does not return to themselves.
• Working hard to breathe — sucking in below the ribs, grunting, blue lips, or suddenly quiet after struggling.
• A rash with red or purple spots that stay visible when you press a clear glass on them (especially with fever).
• Stiff neck with severe headache, or a child who can't bend their chin to their chest.
• Severe pain anywhere, or a hot swollen joint they refuse to use.
• Refusing all fluids, signs of dehydration (sunken eyes, no wet nappy / no urine in 8+ hours), or green (bile-stained) vomit.
• On chemotherapy, with a central line, or a known immune problem.
• A behaviour you can't explain away — you just know they're "not right".

If none of those match, keep reading.

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Tonight — one main action

Drink schedule, not temperature schedule. Small sips of water, oral rehydration solution, or usual milk every 15–30 minutes they're awake. Note the time of last drink and last urine. Sleep is recovery — a sleeping, breathing-comfortably child is the goal.

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Decision tree — go, delay, or cancel

Branch A — any red flag above matched.
Call your local emergency number now. Trip is cancelled. Reschedule around the child, not the calendar.

Branch B — red flags excluded, but the child is "not themselves": listless, off food, won't drink, fever still climbing after a medicine already prescribed to this child, or a localising sign (ear pain, sore throat, bad cough, joint pain, bad headache, lots of vomiting, painful wee).
Same-day clinician before you leave. Delay the trip until they've been seen and you've got a plan for the journey: who drives, who watches the sibling, who covers school the rest of the week. Most fevers are viral and a same-day review will usually tell you whether travel is reasonable in 24–48 hours.

Branch C — alert, drinking, weeing, breathing easy, no rash, fever settling or responsive to the medicine already prescribed to this child.
Trip can usually go, with three adjustments:

• A named adult sits in the back seat with the child, not the driver alone.
• Carry: fluids, the thermometer, any medicine already prescribed to this child with the original label, the allergy and chronic-conditions list.
• Plan a low-key first 24 hours on arrival — long rest after the drive, an earlier night, no big outings. If anything changes (breathing, rash, fluid refusal, behaviour), treat as Branch B.

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What to avoid tonight

• Don't treat the thermometer number as the decision. How they look and behave is the useful signal.
• Don't give aspirin to a child.
• Don't use leftover antibiotics "to be safe".
• Don't wipe them down with rubbing alcohol, and don't put them in a cold bath.
• Don't buy prescription medicine online tonight.
• Don't dose paracetamol or ibuprofen by guess. If a clinician or the product label has already given this child a plan, follow that. If not, the answer is on the bottle in your hand, not in a chat.
• Don't wake them every hour to take the temperature. One alarm halfway to departure, otherwise rest.

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What you tried vs. better alternatives

You said: hourly checks through the night, no sleep.

For the next 8–10 hours:

• Stop the hourly check while they sleep. Visual check only — breathing easy, no grunting, normal skin colour, comfortable position. You don't need to touch them.
• One alarm, set halfway to the original departure time, e.g. 04:00 if you were leaving at 09:00.
• Pack as if you might still go, but with a fold-out plan: which adult goes, which stays, who covers the school week, who takes over childcare if the trip falls through. Decide this tonight so nobody is negotiating at 07:00.
• Have the kit reachable, not buried in a packed bag: thermometer, fluids, the child's health card / allergy list, any medicine already prescribed to this child with the label, a clean nappy or two if relevant.
• Run the family script — the calm one-liner for the other adults in the house so you're not repeating yourself: *"Fever, no red flags, watching through the night, deciding in the morning."* That single sentence lets you go back to sleep instead of explaining.

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What success looks like in 24 hours — no cure promised

• You slept more than tonight, even if not eight hours.
• The child is drinking, weeing, and breathing normally.
• The fever is one number among several, not the headline. A well-appearing child with a number is a different child from a flat, refusing-fluids child with a smaller number.
• If they're well-appearing by morning, the trip can usually proceed with the Branch C adjustments.
• If they're not well-appearing by morning, you've already got a same-day appointment booked and a delay plan agreed with the other adults.
• No new red flag has shown up. If one has, you've already acted on it.

The honest promise I can make: this is a framework, not a forecast. The fever may turn out to be a 24-hour bug or the start of something that needs a clinician — the four facts you send me decide which.