When “Growing Pains” Turn Out to Be a Bone Condition

Most children experience what parents call “growing pains.” These are usually harmless aches in the legs, often occurring in the late afternoon or evening. However, sometimes limb pain can signal a more serious bone condition. Here’s how to tell the difference—and when to seek help.

What Are Growing Pains?

Growing pains are common in children between 3 and 12 years old. Key features include:

• Location: Typically in the calves, shins, thighs or behind the knees
• Timing: Often late afternoon or evening, sometimes waking a child from sleep
• Quality: Dull, achy discomfort, usually in both legs
• Duration: Minutes to a couple of hours, coming and going over weeks or months
• No other symptoms: No redness, swelling or fever

These pains usually resolve with gentle massage, a warm bath or over-the-counter pain relief (like ibuprofen or acetaminophen). They’re not linked to actual bone growth but may arise from active play or minor muscle strain.

When to Suspect Something Serious

Though growing pains are benign, certain “red flag” signs suggest a more serious bone or joint issue. Watch for:

• Persistent pain that lasts most of the day or night
• Uneven pain—only one leg or one spot hurts
• Swelling, redness or warmth around a joint or bone
• Fever or chills alongside pain
• Significant limping or refusal to bear weight
• Loss of appetite, unexplained weight loss or fatigue
• Night pain that won’t improve with comfort measures
• Family history of bone disorders or juvenile arthritis

If any of these occur, the “ache” may not be simple growing pains. Early evaluation can help rule out or treat conditions that affect the bones and joints.

Common Bone Conditions That Mimic Growing Pains

1. Osteomyelitis (Bone Infection)

   • Bacterial infection often following an injury
   • Symptoms: Intense, localized pain; fever; swelling; refusal to use the limb
   • Diagnosis: Blood tests, imaging (X-ray, MRI), sometimes bone biopsy
   • Treatment: Antibiotics, sometimes surgery

2. Juvenile Idiopathic Arthritis (JIA)

   • Chronic inflammation of one or more joints
   • Symptoms: Joint pain/stiffness (worse in the morning), swelling, limited range of motion
   • Diagnosis: Physical exam, blood tests (e.g., ANA, RF), imaging
   • Treatment: NSAIDs, disease-modifying drugs, physical therapy

3. Bone Tumors

   • Examples: Osteosarcoma, Ewing’s sarcoma
   • Symptoms: Persistent bone pain (often worse at night), swelling or a palpable lump, sometimes fever or fatigue
   • Diagnosis: X-ray, MRI/CT, biopsy
   • Treatment: Surgery, chemotherapy, radiation

4. Slipped Capital Femoral Epiphysis (SCFE)

   • Occurs when the top of the thigh bone slips at the growth plate
   • Symptoms: Hip, groin or knee pain; limp; limited hip motion
   • Diagnosis: Hip X-ray
   • Treatment: Surgical pinning

5. Osgood–Schlatter Disease

   • Inflammation where the patellar tendon attaches to the shinbone
   • Symptoms: Painful lump below the kneecap, worsened by running/jumping
   • Diagnosis: Clinical exam, sometimes X-ray
   • Treatment: Rest, ice, stretching exercises, sometimes a knee brace

6. Legg–Calvé–Perthes Disease

   • Interrupted blood supply to the femoral head (part of hip joint)
   • Symptoms: Hip/knee/groin pain, limp, reduced hip motion
   • Diagnosis: X-ray or MRI of the hip
   • Treatment: Rest, casting/bracing, physical therapy, sometimes surgery

How to Evaluate Your Child’s Pain

A careful history and exam help distinguish growing pains from something more serious. Consider these steps:

1. Ask about pain timing and location
   • Does it happen daytime, nighttime or both?
   • Is it in both legs or just one spot?
2. Look for other symptoms
   • Fever, redness, swelling?
   • Limping or refusal to walk?
   • Changes in energy level or appetite?
3. Check response to treatment
   • Does gentle massage or a warm bath ease the pain?
   • Do over-the-counter pain relievers work?
4. Note any recent injuries or infections
   • Even minor cuts or sprains can lead to bone infection.
5. Get professional input
   • If any red flags appear, schedule a doctor’s visit promptly.

If you’re unsure where your child’s pain falls on the spectrum—from benign to worrisome—you might consider a free, online symptom check, using the doctor approved Ubie Symptom Checker.

What to Do Next

• For mild, typical growing pains:
  • Offer rest and comfort measures (massage, warm compress)
  • Encourage stretching and low-impact activities
  • Use age-appropriate doses of ibuprofen or acetaminophen

• If red flags appear:
  • Contact your pediatrician right away
  • Be prepared to describe symptoms, duration and any treatments tried
  • Keep a pain diary if the issue is ongoing—it helps your doctor

• In urgent cases (emergency department or call 911):
  • High fever (above 102°F or 38.9°C) with bone/joint pain
  • Severe pain that prevents walking or using the limb
  • Obvious deformity, sudden swelling or extreme tenderness

Talking to Your Child’s Doctor

When you speak with a healthcare provider, share:

• Exact location and description of the pain
• Onset and duration, including any pattern you’ve noticed
• Any other symptoms: fever, rash, bruising, fatigue
• Recent injuries, infections or medical history

Your doctor may order blood tests (to check for infection or inflammation), X-rays, MRI scans, or refer you to a pediatric orthopedist or rheumatologist.

Final Thoughts

While most “growing pains” are harmless and pass with time, it’s important to remain vigilant. Bone infections, arthritis, tumors and growth-plate disorders can present with similar aches. Early detection and treatment make a big difference in outcomes.

If ever in doubt, speak to your doctor about anything that could be life threatening or serious. And remember, a free, online symptom check, using the doctor approved Ubie Symptom Checker, can help guide your next steps. Your child’s health deserves careful attention—never hesitate to seek professional advice.