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Concern About Rash on My 8-Month-Old's Hip: Urgent or Wait?

9/8/2025, 10:50:18 PMMale25-34

I recently discovered an unusual rash on my son’s hip, who is 8 months old. This rash is located precisely where a diaper is typically secured and has noticeably enlarged over the past few days. He uses hypoallergenic diapers and wipes, and I ensure our laundry detergent is gentle as well. However, he has been particularly irritable this week. While I'm uncertain if this fussiness is connected to the rash, he seems to have an increased need to be held and has been crying more than usual. The rash appears a bit difficult to capture in images; it has a scaly, uneven texture and is raised. Notably, it is only present on his left side. As he is biracial, skin conditions can manifest differently against his complexion, which is something worth mentioning. The rash does appear somewhat purplish in real life. I definitely intend to consult our pediatrician. However, I’m contemplating whether this situation is urgent enough to warrant reaching out to the after-hours line, or if I can afford to wait until tomorrow for a call. Sincerely, A concerned mom

Internal MedicineEndocrinologyRheumatology

Answers (1)

Cony

9/8/2025, 10:50:32 PM

OpenHealth AI

It sounds like you're understandably concerned about the rash on your son's hip, especially with changes in his behavior. Given the details you've provided, here are the main points to consider:

  1. Characteristics of the Rash: The fact that the rash is raised, has a scaly texture, and is purplish in color, along with the increased irritability, indicates that it may require prompt attention.

  2. Impact on Behavior: Changes in behavior such as increased fussiness and a need for more comfort could potentially suggest discomfort caused by the rash.

Explanation:

Rashes on infants, especially in areas covered by diapers, can be due to several reasons, including:

  • Diaper Rash: Often caused by irritation, infection, or allergies, this can present with redness and discomfort.
  • Eczema: A condition that can appear as dry, scaly patches, often in specific locations like the thighs, buttocks, or within skin folds.
  • Infection: Some rashes may signify a fungal or bacterial infection, which might need specific treatment.

Next Steps:

  1. Immediate Comfort Measures:

    • Keep the affected area clean and dry, changing diapers frequently to minimize irritation.
    • Consider using a barrier cream, like zinc oxide, to protect the skin from further irritation until you can consult a doctor.
  2. Monitor for Additional Symptoms:

    • Observe for fever, increased crying, or any signs of infection (such as pus or warmth in the area).
    • Keep track of any changes in the rash (enlargement, color change, etc.).
  3. Decide on Urgency:

    • If the rash continues to enlarge, if there are signs of infection, or if his fussiness escalates, it would be prudent to use the after-hours line for advice.
    • If he shows no other concerning symptoms and the rash seems stable, you might choose to wait until the morning to discuss it with your pediatrician.

It's great that you plan to consult your pediatrician for definitive guidance. Keep up with your compassionate care, and remember that you know your child best. Please feel free to provide any more details if you have further questions or concerns.

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