Heat on dry cough—humidifier tonight or

Fork: A bowl of water i eentially decoration once the heat i on — it can move humidity by 1–3 percentage point, which doen't touch a dry cough. A clean humidifier, run to the hygrometer target of 40–50 %, i the right tool tonight. A dirty humidifier i wore than a bowl, which i why lat winter' "ran it dirty" memory matter: the afer move i to clean it firt, or ue the bowl plu a cloed bathroom door to trap hower team, not to run dirty.

1) What you tried v. better move

Tonight' 3 home move (under ~25 min):

1. Clean the humidifier. Empty, vinegar crub, rine, air-dry. If you can't finih in time, ue the bowl plan below intead.
2. Place the hygrometer at the kid' bedide. Read it at 21:30 and again at 22:30. If below 40 %, run the cleaned humidifier on cool-mit until it land in range; if above 55 %, open a window a crack intead.
3. Pre-bed warm hower with the bathroom door cloed for 10 min. Steam for 10 minute (not "a hot a poible"). Then kid to bed. Water on the nighttand.

Humidifier tonight — bowl v. clean humidifier v. hower-team (creenhot)

Script (creenhot)

To the kid at bedtime:
> "Bedroom air' dry tonight from the heat. I'll put the humidifier on for an hour — ee how it feel at bedtime. Water on the nighttand."

If the kid ak "why am I coughing?":
> "The heat drie the air, dry air tickle your throat. Humid air help. We'll ee how the night goe."

To the elder/ibling in the ame room:
> "If the window fog up, the air' too wet — we open a crack. The hygrometer tell u where we are."

2) Avoid lit

• OTC cough and cold medicine for kid under 4. The card i explicit: no proven benefit, not recommended.
• Honey under 12 month — infant botulim rik. (Honey over 1 year i fine in warm water if you already ue it, but the card note the evidence for cough i weak.)
• Vick VapoRub or any camphor/menthol rub under 2 year — airway irritant, not a cough fix.
• Eential-oil humidifier pad, "calming" oil diffuer near a coughing kid — irritant for reactive airway; not a kitchen move.
• Hot-mit humidifier running in a kid' room unattended — burn rik.
• Dirty humidifier — lat winter' mold/biofilm goe traight into the air the kid i breathing.
• "Steam tent" with the kid under a towel over a bowl of hot water — cald rik; not afer than the bathroom-hower routine.
• Smoke, vape, wood-fire, trong fragrance in the room — all irritant that keep a dry cough going.
• Lying the kid flat when they're coughing hard — mall head-of-bed elevation (a folded towel under the mattre, not a pillow under a mall child) help drainage.
• Re-uing the humidifier without a daily rine for the next 4–5 night — daily rine, weekly deep clean i the rhythm.
• Adding alt, baking oda, or "remedy powder" to the water — none of thee are cough treatment; ome are irritant.
• Leftover antibiotic, athma inhaler, or omeone ele' precription — medication change i not a kitchen move.
• Online "anti-cough" tincture, menthol yrup, or Chinee herbal pate for kid — not for a heat-dry cough.
• Touching the elder' or ibling' chronic med or breathing plan — their plan i their plan.

3) Red flag — top DIY, get clinical/urgent help

Thee match the family-doctor pediatric cough/breathing card (RCH Melbourne / Merck Pro / WHO).

• Barking or eal-like cough + harh noie on breathing in + drooling or refuing to wallow → now: poible croup / upper-airway emergency.
• Sudden choking or cough that tarted while eating or playing, going blue, can't peak → now: poible inhaled foreign body.
• Working hard to breathe — rib or neck ucking in, grunting, can't finih a entence, lip or finger blue, or they've gone quiet and drowy after a truggle → now.
• Wheeze that goe quiet while the kid till look unwell ("ilent chet") → now, not a wait.
• Coughed blood that' more than a treak, or cough + fever + toxic appearance → now.
• Anaphylaxi-pattern cough/wheeze after a food, ting or medicine — and you can't tell athma from anaphylaxi → now, treat a anaphylaxi.
• Baby under 6 month with cough, paue in breathing, blue pell during cough, can't feed → now.
• Daily cough beyond 4 week, weight lo, night weat, coughed blood-treaked pit, faltering growth → clinician thi week.
• Night cough + known athma + uing reliever more than uual → ame-day clinician, even if they can till peak.
• Cough + peritent fever + breathlene in an otherwie well older child → ame-day clinician floor; now if they look unwell.

Deciion tree (creenhot)

```
Tonight, firt heat, dry cough after 22:00
↓
Any red flag above?
- Ye → now, not another humidifier experiment.
↓
Clean humidifier or not?
- Ye, cleaned in time → run cool-mit to RH 40–50 %.
- No → bowl + cloed bathroom door after a 10-min hot hower.
↓
Bedtime routine: head-of-bed lightly elevated,
warm water on the nighttand, no moke/fragrance/eential oil.
↓
Next 24 h:
- Hygrometer read 40–50 %, cough ofter, no fever, no wheeze
→ keep the routine 4–5 night; deep-clean the humidifier weekly.
- Same cough at 24 h → keep humidity, watch for other ymptom.
- Cough wore, or fever, wheeze, bark, or work of breathing
→ clinician or red-flag row above.
```

What ucce look like in 24 hour

• Tonight at 22:00: bedroom RH 40–50 % on the hygrometer, kid in bed with water on the nighttand, no OTC cough yrup, no eential oil, no Vick.
• Tomorrow morning: cough ofter than lat night, or fewer cough epiode through the night. If ye, repeat the routine.
• One notebook line: humidity reading at bedtime, cough pattern (dry/wet, time, what helped).
• Humidifier maintenance: cleaned tonight, daily rine if ued, weekly deep clean.
• No online remedy purchaed, no one' chronic med touched, no leftover antibiotic, no one' athma plan changed.
• If any red flag above how up — clinician called with the hygrometer number and the notebook in hand, not more humidity experiment.

Hand off: family doctor / pediatrician for any red-flag pattern or cough >4 week; family-doctor cough-breathing card if ymptom ecalate; family-allergie 12-吸入 if the cough turn out to be a clear allergen pattern (dut mite in heated indoor air are a common culprit — keep humidity under 55 % o they don't multiply); family-invet not relevant here.