Create a SOAP note for a 25-year-old female new patient presenting with non-cyclical left breast pain, a family history of breast cancer, and a penicillin allergy.

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Last updated: October 24, 2026 • View editorial policy

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SOAP Note: 25-Year-Old Female with Non-Cyclical Left Breast Pain

Subjective

Chief Complaint: Left breast pain, non-cyclical

History of Present Illness:

  • Pain characteristics: Focal, unilateral left breast pain without relation to menstrual cycle
  • Location: Precise localization of pain (document exact quadrant/area - subareolar, lower inner breast, or other specific location) 1
  • Duration and pattern: Onset, duration, whether constant or intermittent, any exacerbating factors (cold weather, exercise)
  • Associated symptoms: Absence of skin changes (erythema, dimpling, retraction), nipple changes (discharge, scaling), palpable masses, or systemic symptoms (fever, warmth) 2

Breast Health History:

  • Last mammogram: N/A (patient age 25)
  • Breast self-examination practices
  • Previous breast biopsies or surgeries: None documented
  • Hormonal medications: Oral contraceptives, hormone therapy, or infertility treatments 1
  • Other medications: Specifically SSRIs or other drugs that may cause mastalgia 1

Family History:

  • Critical detail: Document breast and ovarian cancer in first-degree AND second-degree relatives on BOTH maternal and paternal sides going back 3 generations 3, 4
  • Age at diagnosis of affected relatives
  • Type of breast cancer (if known)
  • Consider genetic counseling referral criteria

Allergies:

  • Penicillin allergy: Document specific reaction type (rash, anaphylaxis, GI symptoms, headache, or family history only) 5
  • Timing of reaction relative to penicillin exposure
  • Critical distinction: True IgE-mediated reaction versus non-allergic adverse effect 5

Social History:

  • Smoking status (associated with duct ectasia and periductal inflammation) 1
  • Physical activity level
  • Obstetric history, breast-feeding history 1

Review of Systems:

  • Chest wall pain, musculoskeletal symptoms
  • Cardiac, pulmonary, or GI symptoms that could represent referred pain 1

Objective

Vital Signs: Within normal limits

Physical Examination:

Visual Inspection (patient seated, hands on hips contracting pectoralis muscles): 2

  • Breast symmetry and contour
  • Skin changes: erythema, dimpling, retraction absent
  • Nipple changes: scaling, inversion, discharge absent
  • No visible masses or deformities

Palpation (patient supine with ipsilateral arm raised): 2

  • Left breast: Focal tenderness at [specific location], no discrete masses palpable
  • Pain reproducible on palpation: Yes/No
  • Right breast: Non-tender, no masses
  • Lymph nodes: Axillary, supraclavicular, infraclavicular nodes non-palpable bilaterally
  • Chest wall examination: No costochondral tenderness, no chest wall muscle tenderness

Assessment

25-year-old female with focal, non-cyclical left breast pain and significant family history of breast cancer, penicillin allergy documented.

Primary Problem: Non-cyclical mastalgia, left breast

  • Non-cyclical breast pain accounts for 25% of breast pain cases, is predominantly inflammatory rather than hormonal, and requires additional evaluation to exclude underlying benign or malignant lesions even without additional signs 1
  • Risk stratification: Family history of breast cancer elevates baseline risk and warrants heightened vigilance 3, 4
  • While breast cancer rarely presents as isolated pain, non-cyclical focal pain has been associated with underlying pathology in some cases 1

Differential Diagnosis:

  1. Benign breast disease (duct ectasia, cyst, fibroadenoma)
  2. Musculoskeletal/chest wall pain (costochondritis, muscle strain)
  3. Breast cancer (low probability but must exclude given family history)
  4. Medication-related mastalgia
  5. Referred pain from extramammary source

Plan

Diagnostic Imaging: Breast ultrasound is the appropriate initial imaging modality for this 25-year-old patient with focal, non-cyclical breast pain 6. Mammography is not indicated at age 25 unless ultrasound demonstrates suspicious findings requiring further characterization.

Rationale: ACR Appropriateness Criteria recommend ultrasound for women <30 years with clinically significant (focal and non-cyclical) breast pain 6. This avoids radiation exposure while effectively evaluating for cysts, solid masses, or other structural abnormalities.

Family History Management:

  • Genetic counseling referral: Assess whether family history meets USPSTF criteria for genetic counseling (approximately 1.4 million US women meet these criteria) 7
  • Document detailed 3-generation pedigree at this visit 3, 4
  • Discuss potential need for earlier/enhanced screening if high-risk criteria met

Penicillin Allergy Assessment:

  • Document reaction details: If history suggests non-IgE-mediated reaction (headache, GI symptoms, family history only), patient does not require penicillin skin testing 5
  • Consider delabeling: If reaction history inconsistent with true allergy, counsel patient on benefits of removing penicillin allergy label and offer single-dose amoxicillin challenge if patient anxious 5
  • If true IgE-mediated history: Maintain penicillin allergy documentation; use alternative antibiotics (cephalosporins with caution given cross-reactivity risk) 8

Symptomatic Management:

  • Reassurance that most non-cyclical breast pain resolves spontaneously in up to 50% of cases 1
  • Well-fitted supportive bra
  • NSAIDs for pain control (document penicillin allergy does not contraindicate NSAIDs)
  • Smoking cessation counseling if applicable

Follow-up:

  • Return visit after ultrasound completion to review results
  • If ultrasound negative: Clinical breast examination in 3-6 months to reassess symptoms 4
  • If ultrasound demonstrates abnormality: Proceed per imaging recommendations (biopsy, short-interval follow-up, or routine screening)
  • Establish regular screening schedule: Clinical breast examination every 3 years until age 40, then annually 3, 4

Patient Education:

  • Breast self-awareness: Report any new lumps, skin changes, or nipple discharge promptly 4
  • Natural history of non-cyclical mastalgia
  • Importance of maintaining updated family history at future visits
  • Benefits of penicillin allergy delabeling if appropriate

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.