Familial Cold Urticaria: This is an inherited form of the condition and is extremely rare. Symptoms may take 30 minutes to 48 hours to appear and can last for a day or two. Cold urticaria can ...

Patients with familial cold autoinflammatory syndrome (FCAS) suffer fever, urticaria and other conjunctivitis when exposed to cold air. Those with Muckle-Wells syndrome (MWS) frequently have ...