Hives or urticaria are skin aversions which show red and itchy bumps on ears, tongue, skin and even the lips. Hives are recognized to be traveling in various parts of the body and has the ability to change its size and shape. Hives are characterized as pale in color and shows up at times when the body reacts to allergens for no acceptable reason at all. This means that it may appear in whatever occasion. They are also known to appear and vanish at various times of the day. It has the tendency to appear in the morning and be vanished by afternoon, and then reappears during night time.
There are 3 types of hives which are based on how long they last:
1. Extreme - This type arises at the shortest possible time. It is the most typical type though, and can last for a day up to a week. This could be brought about by infection like the cold virus and drugs like pain killers and muscle relaxants, insect's stings just like bees and wasps, allergies from a few foods like nuts. Typically, it seems like 30 minutes after eating the food.
2. Recurring - This type lasts for six weeks to even a year. This type of hives upset daily routines as it appears and vanishes repeatedly, and its causes are unknown.
3. Physical - This is commonly caused by too much heat from the sun or sudden changes of temperature. Typically, holding on to something in a prolonged time would bring out this type of hives.
Causes
This skin ailment is a reaction caused when the blood plasma leaks out through tiny blood vessels to the skin. Additionally, it is a response to histamine, which is a chemical secreted by the mast cells that are near the blood vessels of the skin. It leads to fluid to leak to the skin, hence the response that brings about hives. Histamine is liable for the characteristics of hives; redness, itching and the swelling.
Allergies
Hives is considered as a result of allergic reactions in usual instances. These include: bee stings, specific foods, medication and sunlight exposure. They are liable of histamine secretion which reacts to the skin.
Though there are no known reasons for hives, it occurs in 3 determined causes:
(a) Idiopathic - This means that there is no recognized reason for the break out of hives. They just appear when they do and vanish suddenly too.
(b) Immunological - Alterations in the immune system may cause hives. Hence, as mast cells release histamine because of immune system modifications, hives show up when something comes into contact with it.
(c) Non-immunological - This type appears when foreign compounds bring about histamine secretion without proven connection to the immune system. By the time a person gets close with these substances, hives may show up.
Moving away from these causes can prevent allergic reactions such as hives from appearing.
There are 3 types of hives which are based on how long they last:
1. Extreme - This type arises at the shortest possible time. It is the most typical type though, and can last for a day up to a week. This could be brought about by infection like the cold virus and drugs like pain killers and muscle relaxants, insect's stings just like bees and wasps, allergies from a few foods like nuts. Typically, it seems like 30 minutes after eating the food.
2. Recurring - This type lasts for six weeks to even a year. This type of hives upset daily routines as it appears and vanishes repeatedly, and its causes are unknown.
3. Physical - This is commonly caused by too much heat from the sun or sudden changes of temperature. Typically, holding on to something in a prolonged time would bring out this type of hives.
Causes
This skin ailment is a reaction caused when the blood plasma leaks out through tiny blood vessels to the skin. Additionally, it is a response to histamine, which is a chemical secreted by the mast cells that are near the blood vessels of the skin. It leads to fluid to leak to the skin, hence the response that brings about hives. Histamine is liable for the characteristics of hives; redness, itching and the swelling.
Allergies
Hives is considered as a result of allergic reactions in usual instances. These include: bee stings, specific foods, medication and sunlight exposure. They are liable of histamine secretion which reacts to the skin.
Though there are no known reasons for hives, it occurs in 3 determined causes:
(a) Idiopathic - This means that there is no recognized reason for the break out of hives. They just appear when they do and vanish suddenly too.
(b) Immunological - Alterations in the immune system may cause hives. Hence, as mast cells release histamine because of immune system modifications, hives show up when something comes into contact with it.
(c) Non-immunological - This type appears when foreign compounds bring about histamine secretion without proven connection to the immune system. By the time a person gets close with these substances, hives may show up.
Moving away from these causes can prevent allergic reactions such as hives from appearing.
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