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Raynaud's phenomenon

Morbus Raynaud · Raynaudův fenomén

What it is

Small arteries clamp shut in cold or stress; fingers go white, blue, then red.

Symptoms & signs

  • White then blue then red fingers
  • numbness
  • pain on rewarming
  • triggered by cold

🚩 Get help if…

  • call 112 / 911 now Finger that stays white or blue and painful for hours
  • see a doctor soon Ulcers or black patches on fingertips
  • see a doctor soon Attacks starting after 30 or on one side only
  • see a doctor soon Joint pain, rash or hard, tight skin with attacks

Where it strikes

Medical treatment

  • Nifedipine
  • topical nitrates
  • sildenafil in severe cases
  • treat underlying scleroderma or lupus

Natural & lifestyle

  • Keep the whole body warm, not just hands
  • gloves and hand warmers
  • stop smoking
  • no beta blockers
  • ginkgo (modest evidence)

Emerging & experimental

  • Botulinum injections to the digits
  • stem-cell fat grafting

Alternative, off-label & anecdotal

Approaches used outside the guidelines, with what their supporters report and what testing has found so far.

  • Ginkgo biloba — a small trial reduced attacks; a later trial found it weaker than nifedipine mixed evidence
  • Fish oil — a small trial improved cold tolerance early / small studies
  • Biofeedback hand-warming — trials disagree early / small studies
  • Cayenne and ginger — warming spices; untested anecdotal / traditional

ICD codes