re: Any pediatricians want to weigh in?

Does the finger light up?



(I am not a doctor)

Agreed.

I don't know anything firsthand, other than it cuts a loving parent to the core when a child is sick or hurting and we can't fix it. My heart goes out to you. I did find this article, might be relevant to your situation. Hang in there.

LINK

How do you trim his fingernails? Could it be swelling from an ingrown nail or hangnail?

No, he is spoon fed still, does not touch the food generally. Plus it’s peas and carrots and squash mainly other than milk

quote:

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His fingers/hands are covered during sleep. He sucks all his fingers and only the tips are swollen of middle finger and thumb

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No lesions? Vesicles? Blister-like formations?

Are the digits cold when swollen? Warm?

Try to think of anything that is done differently the night before.

quote:

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a little warmer

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Due to the extra blood in the area, I presume

from chatGPT:

Things that might fit what you’re describing

1. Dactylitis (inflammation of a whole finger)
This can cause dramatic, sausage-like swelling of an entire finger or thumb.

Can be painless in infants

May come and go

X-rays can be normal early on

In infants, dactylitis is sometimes associated with:

Certain blood disorders (including transient bone marrow issues)

Infection

Inflammatory conditions

Children with Down syndrome can be more prone to certain blood and inflammatory conditions, which is why this one is important to rule out.

2. Bone infection (osteomyelitis)
Even without fever, babies can occasionally have:

Swelling as the only symptom

Normal early X-rays

Usually there’s tenderness, but not always. Sometimes MRI or bloodwork (CRP, ESR) is needed if suspicion remains.

3. Chronic paronychia or deep fingertip infection
If the swelling is more in the fingertip (pad area), possibilities include:

Recurrent soft tissue infection

A deep abscess

A herpetic whitlow (usually painful though)

The fact that antibiotics helped temporarily makes infection worth considering — but recurrence after stopping is a red flag that something deeper or non-infectious may be going on.

4. Down syndrome–associated blood disorders
Babies with Down syndrome can develop:

Transient abnormal myelopoiesis (TAM)

Early leukemias

These can sometimes show up with swelling, unusual inflammation, or strange infections. I am not saying this is what’s happening, but persistent unexplained swelling in a child with Down syndrome is a reason to at least get bloodwork (CBC with differential).

5. Vascular or lymphatic issue

Localized lymphedema

Vascular malformation

These can cause dramatic swelling without pain or fever and may fluctuate.

Things I would ask the pediatrician about
You don’t need to suggest diagnoses — just ask about next steps:

Has bloodwork (CBC with differential) been done?

Would inflammatory markers (CRP/ESR) help?

Is MRI indicated if it keeps recurring?

Should we see pediatric orthopedics or hematology?

Could this be dactylitis?

?? Go urgently (ER) if:

Fever develops

Baby stops using the hand

Skin turns purple/black

Rapid spreading redness

Baby becomes lethargic or unusually fussy

A few clarifying questions (if you’re comfortable answering)



Is the whole finger swollen or just the fingertip pad?

Is the skin red, shiny, or warm?

Does it blanch (turn white) when pressed?

Any unusual bruising elsewhere?

You’re absolutely right to push for answers. Recurrent, severe swelling like that — especially spreading to another digit — deserves deeper evaluation.
If you’d like, you can describe exactly what the swelling looks like (color, texture, whole finger vs tip), and I can help you think through what sounds most consistent.

Thank green bean.
The tip and pad are swollen, red, not particularly shiny, mildly warm. No unusual bruising. The skin does blanch and gets color back quickly.

Any family history of psoriatic arthritis or sickle cell? Could be pediatric dactylitis