no hives are not contagious. hives or urticaria are a rash of pink or red raised spots that itch. hives may be due to an allergic reaction an infection or an unknown cause. they generally appear within minutes and disappear within a few hours. most people experience the acute form of hives which goes away on its own. a few people experience chronic urticaria: hives that occur on most days of the week for at least six weeks. infections by viruses bacteria or parasites can occasionally cause hives. this is more common in children than adults. even when hives are due to infection the hives themselves are not contagious. no hives are not contagious. hives can appear from a allergic reaction ( eg. foods injections etc. ) allergy medication such as bendryl can take the terrible itch away and dense up the color. if one spot goes away another cluster can form. if you have chest tightness a fever or trouble swallowing get to the hospital. hives can last for days months or even years. no they are not! hives are normally just a reaction to something that that particular person is allergic to. but if they go away and come back or stay for a long time then go to the hospital to ave is checked out. some people just get hives and take medication for it but it's not some rare condition or decease just a few bumps or a small rash that is also normally very itchy.
are hives contagious?