I had severe leg, feet and hand swelling, The doctors checked my circulation and heart-and there was no problem there. Close to this time I had and allergic reaction and went into anaphaltic shock. Soon following this I was diagnosed with hypothyroidism and given medication for this and a lasic to take the swelling down. The doctor informed me that some people do have a severe allergic reaction before their thyroid problem is found-what is this connection?