{
  "schema_version": 1,
  "kind": "condition",
  "id": "cows-milk-protein-allergy",
  "name": "Cow's milk protein allergy (infant)",
  "category": "paediatric",
  "sources": "SW London Integrated Medicines Optimisation Committee: Cow's Milk Protein Allergy primary care guidance (NHS, 2024) · No labelled dose - a dietary exclusion, not a medicine · SW London Integrated Medicines Optimisation Committee: Cow's Milk Protein Allergy primary care guidance (NHS,)",
  "review_status": "reviewed",
  "verified_against": "No labelled dose - a dietary exclusion, not a medicine · SW London Integrated Medicines Optimisation Committee: Cow's Milk Protein Allergy primary care guidance (NHS,) · Cow's milk protein allergy (infant) - disease-level clinical article (cows-milk-protein-allergy-clinical.txt)",
  "verified_date": "2026-08",
  "treatments": [
    {
      "id": 539,
      "generic": "Maternal cow's milk exclusion (breastfed infant)",
      "line": 1,
      "is_adjunct": false,
      "form": null,
      "strength_mg": null,
      "adult_dose": "The mother excludes cow's milk protein strictly for 2-4 weeks while breastfeeding continues",
      "adult_duration": "2-4 weeks, then reintroduce to confirm",
      "dose_source": "No labelled dose - a dietary exclusion, not a medicine",
      "rationale": "Breast milk stays the best feed for these babies. The allergen is what leaves, not the breastfeeding.",
      "cautions": [
        "Encourage her to keep breastfeeding. The commonest harm in this diagnosis is a mother being moved onto formula she did not need.",
        "A mother off dairy needs 10 micrograms (400 units) of vitamin D daily, and 1,000 mg of calcium if her diet will not cover it. Excluding dairy without replacing calcium takes it out of her bones."
      ],
      "peds_mgkg_low": null,
      "peds_mgkg_high": null,
      "peds_max_mg": null,
      "peds_basis": null,
      "peds_unit": null,
      "peds_note": "The infant carries on breastfeeding throughout. It is the mother's diet that changes.",
      "peds_min_weight_kg": null,
      "peds_max_weight_kg": null,
      "peds_age_min_months": null,
      "peds_age_max_months": null,
      "peds_age_bands": null,
      "peds_doses": null,
      "brands": [],
      "condition_id": "cows-milk-protein-allergy"
    },
    {
      "id": 540,
      "generic": "Extensively hydrolysed formula",
      "line": 1,
      "is_adjunct": false,
      "form": null,
      "strength_mg": null,
      "adult_dose": "Not applicable - an infant feed",
      "adult_duration": "2-4 week trial, then reintroduce to confirm",
      "dose_source": "SW London Integrated Medicines Optimisation Committee: Cow's Milk Protein Allergy primary care guidance (NHS,)",
      "rationale": "First line for a formula-fed infant. At least nine in ten respond to it, which is why an amino acid formula is not where you start.",
      "cautions": [
        "Three things that get used for this and should not be: soya formula, which is not for infants under 6 months; lactose-free formula, which removes the sugar and leaves the protein that is causing the problem; and goat or sheep milk, which cross-reacts.",
        "Reintroduce cow's milk over a week after 2-4 weeks. If nothing comes back, it was not CMPA and the diagnosis should be dropped rather than carried for years. If symptoms return, it is confirmed.",
        "Refer any suspected IgE-mediated case - immediate hives, swelling, wheeze, vomiting within minutes - to paediatric allergy without delay. Non-IgE disease, the slow gut-and-skin picture, can be managed in primary care.",
        "Faltering growth alongside gut symptoms, or any acute systemic reaction, is a referral not a formula trial."
      ],
      "peds_mgkg_low": null,
      "peds_mgkg_high": null,
      "peds_max_mg": null,
      "peds_basis": null,
      "peds_unit": null,
      "peds_note": "Replaces the usual formula for 2-4 weeks. If the response is partial, try a second different EHF before moving on.",
      "peds_min_weight_kg": null,
      "peds_max_weight_kg": null,
      "peds_age_min_months": null,
      "peds_age_max_months": null,
      "peds_age_bands": null,
      "peds_doses": null,
      "brands": [],
      "condition_id": "cows-milk-protein-allergy"
    },
    {
      "id": 542,
      "generic": "Referral & safety-netting (no drug therapy)",
      "line": 1,
      "is_adjunct": false,
      "form": null,
      "strength_mg": null,
      "adult_dose": null,
      "adult_duration": null,
      "dose_source": "Cow's milk protein allergy (infant) - disease-level clinical article (cows-milk-protein-allergy-clinical.txt)",
      "rationale": "Carries the referral criteria and warning signs for this condition, which apply whichever treatment is chosen.",
      "cautions": [
        "RED FLAG - Avoid soy-based formulas due to the high cross-intolerance risk.",
        "RED FLAG - An oral food challenge must be conducted in a medical setting."
      ],
      "peds_mgkg_low": null,
      "peds_mgkg_high": null,
      "peds_max_mg": null,
      "peds_basis": null,
      "peds_unit": null,
      "peds_note": null,
      "peds_min_weight_kg": null,
      "peds_max_weight_kg": null,
      "peds_age_min_months": null,
      "peds_age_max_months": null,
      "peds_age_bands": null,
      "peds_doses": null,
      "brands": [],
      "condition_id": "cows-milk-protein-allergy"
    },
    {
      "id": 541,
      "generic": "Amino acid formula",
      "line": 2,
      "is_adjunct": false,
      "form": null,
      "strength_mg": null,
      "adult_dose": "Not applicable - an infant feed",
      "adult_duration": "Ongoing, under dietetic review",
      "dose_source": "SW London Integrated Medicines Optimisation Committee: Cow's Milk Protein Allergy primary care guidance (NHS,)",
      "rationale": "For the roughly one in twenty who do not settle on hydrolysed formula, and for severe disease.",
      "cautions": [
        "Two different EHFs first. Amino acid formula is far dearer and is not a stronger version of the same idea.",
        "Get a dietitian involved before weaning starts - the solid diet is where the exclusion goes wrong."
      ],
      "peds_mgkg_low": null,
      "peds_mgkg_high": null,
      "peds_max_mg": null,
      "peds_basis": null,
      "peds_unit": null,
      "peds_note": "Second line, after two different extensively hydrolysed formulas have been tried.",
      "peds_min_weight_kg": null,
      "peds_max_weight_kg": null,
      "peds_age_min_months": null,
      "peds_age_max_months": null,
      "peds_age_bands": null,
      "peds_doses": null,
      "brands": [],
      "condition_id": "cows-milk-protein-allergy"
    }
  ]
}