Multi-Symptom Decision Tree

Hair Loss + Fatigue

Symptoms: Hair thinning · Hair loss · Fatigue · Brittle nails. Likely cause: Thyroid, iron, or androgenetic alopecia.

Likely cause

Thyroid, iron, or androgenetic alopecia

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First steps

  1. Full thyroid panel: TSH, T4, T3, TPO antibodies
  2. Ferritin (target ≥70)
  3. Iron + TIBC + saturation
  4. Dermatology consult if patches

Treatment options

  • Levothyroxine if hypothyroid
  • Iron supplementation
  • Topical minoxidil
  • Spironolactone (if androgenetic)

When to see doctor

Hair loss ≥3 months or sudden onset. Patches need dermatology asap.

Browse providers for Thyroid, iron, or androgenetic alopeciaTake the matcher

Other symptom combinations

Hot Flashes + Sleep DisruptionBrain Fog + Mood ChangesWeight Gain + FatigueIrregular Periods + AcneLow Libido + Vaginal DrynessJoint Pain + Muscle LossHeavy Bleeding + AnemiaDepression + Anxiety

Informational only — a symptom pattern is not a diagnosis. Only a clinician can diagnose the cause of your symptoms.