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A child age 1.5yrs complaint of frequents vomits after having egg omelet prescribe medicine

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Now I have enough information from the medical library to give a thorough, practical prescription and management plan.

Clinical Assessment: Egg Allergy in a 18-Month-Old Child

Diagnosis: IgE-mediated Egg Allergy (Food Allergy) - The pattern of vomiting specifically after eating egg (omelet) in a toddler is a classic presentation of an IgE-mediated or non-IgE-mediated food allergic reaction.

Prescription

⚠️ Important Notice: This information is for educational reference only. A licensed physician must physically examine the child, rule out anaphylaxis, and prescribe medications. Dosing must be verified before dispensing.

Rx 1 - Antihistamine (for allergic reaction / urticaria)

Tab./Syrup Cetirizine (Zyrtec, Alerid)
  • Dose: 2.5 mg once daily (for age 1-2 years: 2.5 mg OD)
  • Route: Oral
  • Duration: 5-7 days or as needed for allergic symptoms
  • Alternatively: Syrup Levocetirizine 1.25 mg OD

Rx 2 - Antiemetic (for symptomatic relief of vomiting)

Syrup Ondansetron (Emeset, Zofran)
  • Dose: 0.15 mg/kg/dose, 3 times daily (for 1.5 yr child ~11 kg: approx. 1.5-2 mg TDS)
  • Route: Oral
  • Duration: 2-3 days (short-term use only)
  • Alternatively: Syrup Domperidone 0.25 mg/kg TDS (before meals)

Rx 3 - ORS / Hydration

Oral Rehydration Solution (ORS)
  • Give 5-10 mL/kg after each vomiting episode
  • To prevent dehydration

Rx 4 - Probiotics (optional, supportive)

Syrup Lactobacillus (Bifilac, Vizylac)
  • 1 sachet daily for 7-10 days
  • Helps restore gut flora

Key Management Points

ActionDetails
Stop egg immediatelyAvoidance of egg and all egg-containing foods is the cornerstone of management (Yamada's Textbook of Gastroenterology, p. 3151)
Allergy testingRefer for SPT (Skin Prick Test) - a wheal ≥4-5 mm in children ≤2 years has 95% PPV for egg allergy. Serum egg-specific IgE ≥2 IU/mL also has 95% PPV in this age group (Tietz Textbook of Laboratory Medicine, p. 3945)
Watch for anaphylaxisSigns: urticaria, angioedema, respiratory distress, hypotension - requires IM Epinephrine 0.01 mg/kg immediately
Epinephrine auto-injectorParents should be trained to use an EpiPen/adrenaline autoinjector for accidental exposures (Yamada's, p. 3151)
Dietitian referralEnsure nutritional completeness - eggs are a key protein source; substitute with lentils, meat, dairy (if tolerated)
Follow-upRepeat allergy testing every 6-12 months - many children outgrow egg allergy by age 5-7 years

Red Flags - Send to Emergency Immediately If:

  • Difficulty breathing / wheezing
  • Swelling of lips, tongue, throat
  • Hives spreading over body
  • Loss of consciousness / limpness
  • Sudden pallor or flushing with collapse
These indicate anaphylaxis - treat with IM Adrenaline 0.01 mg/kg (max 0.3 mg) immediately.

Advice to Parents

  1. Strict egg avoidance - read food labels; eggs are hidden in biscuits, bread, cakes, mayonnaise
  2. Introduce safely later - some children tolerate baked egg (in cakes) before tolerating raw/boiled egg; do this only under medical supervision
  3. Carry antihistamine syrup at all times
  4. School/caregiver alert - inform all caregivers about the allergy
Sources: Tietz Textbook of Laboratory Medicine 7th Ed.; Yamada's Textbook of Gastroenterology 7th Ed.
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