{
  "schema_version": 1,
  "kind": "condition",
  "id": "gastrocnemius-tear",
  "name": "Gastrocnemius (calf) muscle tear",
  "category": "chronic",
  "sources": "Gastrocnemius Strain - StatPearls - NCBI Bookshelf (NBK534766) - https://www.ncbi.nlm.nih.gov/books/NBK534766/ · ICPC-3 (WONCA International Classification of Primary Care, 3rd edition) class LD49.01 - condition scope only, no dose · No dose - referral pathway, no medicine given in primary care",
  "review_status": "reviewed",
  "verified_against": "No dose - referral pathway, no medicine given in primary care · Gastrocnemius (calf) muscle tear - disease-level clinical article (gastrocnemius-tear-clinical.txt)",
  "verified_date": "2026-08",
  "treatments": [
    {
      "id": 775,
      "generic": "No drug therapy in primary care (Referral & Advice)",
      "line": 1,
      "is_adjunct": false,
      "form": null,
      "strength_mg": null,
      "adult_dose": "Sudden calf muscle tear during push-off (\"tennis leg\") or a related Achilles tendon injury; mild strains are managed conservatively with analgesia and rest, but a suspected Achilles rupture needs urgent orthopedic referral.",
      "adult_duration": "Refer, with advice",
      "dose_source": "No dose - referral pathway, no medicine given in primary care",
      "rationale": "Sudden calf muscle tear during push-off (\"tennis leg\") or a related Achilles tendon injury; mild strains are managed conservatively with analgesia and rest, but a suspected Achilles rupture needs urgent orthopedic referral.",
      "cautions": [
        "Positive calf squeeze test / suspected Achilles rupture, inability to plantarflex the foot, calf swelling raising concern for DVT.",
        "No medicine is prescribed for this in primary care - this entry is for recognition and referral. Anything given is decided by the service it is referred to.",
        "RED FLAG - Acute Compartment Syndrome (tense muscle compartment, pain out of proportion to physical exam) is an urgent red flag requiring emergent surgical consultation.",
        "Deep Vein Thrombosis is a red flag, either as a complication or as a differential diagnosis (generalized calf swelling and worsening pain without focal mechanical injury)."
      ],
      "peds_mgkg_low": null,
      "peds_mgkg_high": null,
      "peds_max_mg": null,
      "peds_basis": null,
      "peds_unit": null,
      "peds_note": "Children follow the same pathway: recognise and refer. No primary-care medicine is implied.",
      "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": "gastrocnemius-tear"
    }
  ]
}