Non-blanching spots are spreading with a

Call your local emergency number now and go to the emergency department if there is any fever or they look unwell — and either way, do not wait for the test result to decide: this pattern needs to be looked at in person today. Tell me your city or country in the same breath and I will point you to the actual door and confirm the number for where you are.

Why this combination gets attention

Spots that do not fade under a glass, together with joint or ankle pain, is the pattern clinicians check for two different things:

• Infection. Spots plus fever, or a person going downhill, is the emergency version of this picture, and it can move within hours.
• Small-vessel inflammation (IgA vasculitis, also called Henoch–Schönlein purpura). It shows up as spots that do not fade, mostly on the legs, with joint or tummy pain. Kidney involvement can be quiet for a while — which is exactly why blood pressure and a urine test belong in the work-up next to the blood tests.

Naming these is not a diagnosis, and I cannot diagnose from a message. In most people who are otherwise well, spots like these are not the dangerous cause — but that is a clinician's call after they have seen the person, not a rule to keep at home. If the person is an adult, the review matters even more.

Your decision tree tonight

Step 1 — check the go-now signs: fever; drowsy, confused or hard to wake; vomiting or refusing drinks; fast breathing, pale or mottled skin; spots spreading fast hour to hour; ankle pain far worse than the rash; or a baby under three months with spots.
→ If any of those appear, call your local emergency number now and go straight to the emergency department. Take the photos, the medication boxes and the paper from step 3 below.

Step 2 — no fever, alert, drinking, spots spreading slowly: still a review today, not next week. Do not let it slide because a result is pending. Call the clinic that ordered the tests — after-hours line if they are closed — and ask two things: "when will someone call me about the result?" and "does the person need to be seen today?" If they cannot see the person today, go to the emergency department.

Step 3 — when you reach them, ask for the checks that match this pattern: blood pressure, a urine test, blood count and kidney function, and eyes on the spots themselves.

What you tried, and what I would swap

Do not tonight

• No leftover antibiotics, and no new antibiotic at all.
• No new anti-inflammatory painkiller and no aspirin unless a prescriber has already said to give it.
• No steroid, herbal or "cooling" creams or powders on the spots, and nothing bought online without a prescription.
• Do not press, scratch or massage the spots.
• Do not use a home thermometer or blood-pressure reading as a stay-home rule — record it and let the clinician decide.
• Do not use a platelet count or any lab number as your threshold; how the person looks decides.
• Do not share cups, cutlery or towels with them until they have been seen; wash hands.
• Do not let them do the school pickups, the cooking, or lift anything heavy.

The 20-minute home check (do it once, then set an alarm to repeat in two hours)

1. Glass test. Press a clear glass firmly on one spot for a second. If the spot stays, write "does not fade, checked at [time]".
2. Photos. Two of them — one now, one in two hours, same light and angle, same part of the body. Put a clock or your phone screen showing the time in the frame.
3. One-page timeline. First spot noticed, ankle pain start, any fever reading and when, last urine and its colour, every new medicine, cream or food.
4. Pack the bag. ID, medication boxes and packets, the paper, the photos on the phone, and a list of everyone else who lives at home.
5. Comfort only. Rest, ankle up on a cushion while sitting, loose clothing, a plain cool cloth if it itches, normal food and drink from your kitchen.
6. Logistics. Decide now who takes the person and who does the school run, so if you do end up in the emergency department tonight the plan is already set.

The 30-second script for the clinic or the emergency desk

"My [son / daughter / partner / …] has spots that do not fade under a glass and [ankle / joint] pain. It started [time] and it is [spreading slowly / spreading fast]. [No fever / fever since [time]]. They are alert and drinking. There is a blood and urine test pending, result expected [when]. Could someone see them today, and can you check blood pressure and do a urine test?"

Then add: "Is this the meningococcal screen, or the IgA vasculitis work-up?" and "If it turns out to be an infection, does anyone else in the house need anything?"

Questions worth asking before you leave

• Does this need to be seen today, or is the pending result enough?
• Which blood pressure and urine checks do you want, and when do we come back for them?
• What should bring us straight back in — fever, drowsiness, spreading spots, vomiting, dark or reduced urine, puffy eyes?
• What is the plan for the ankle pain, and what may I give or not give?
• Does anyone else in the house, or the school, need to be told anything?

What "good" looks like in the next 24 hours

Not "the rash is gone" — that is not ours to promise. Good looks like this:

• A clinician has seen the person today, or the ordering clinician has called with a clear plan and a named time to come in.
• Blood pressure and urine have been checked, and you know when the blood results land and who will call.
• The timeline and photos exist, so nobody has to rebuild the story from memory at the desk.
• Everyone at home knows the go-now signs and who to call.
• No new medicine was started, and the ankle was rested rather than numbed.

One question that changes tonight's plan: is there a fever right now, and does the person look unwell — drowsy, off food and drink, or unusually quiet or irritable?

Source: rch-cpg https://www.rch.org.au/clinicalguide/guideline_index/Fever_and_Petechiae_Purpura/
Source: rch-cpg https://www.rch.org.au/clinicalguide/guideline_index/HenochSchonlein_Purpura/