Urticaria (nettle) - Angioedema (hives)
Urticaria (hives) is a common skin disease that appears as a pink and strongly itchy rash that often produces blisters. Urticaria, commonly referred to as hives. Hives are frequently caused by allergic reactions, however, there are many non-allergic causes. The rash similar to mosquito bites, and can appear anywhere on the body. Hives can occur in minutes. Urticaria is usually transient and resolves by itself again. However, there is a chronic form, which may last for up to several years. In the acute form shows "nettles" in 2-3 hours, only to disappear and then possibly occur elsewhere on the body. After 24 hours, "nettles" is usually completely gone. If the condition persists over a month, it is called chronic urticaria. Urticaria can be caused by many things such as cold exposure, excessive sun exposure, pressure on the skin, medications frequently penicillin or reactions to food additives. In most cases (9 out of 10 cases), one can not determine the cause of urticaria. A special form of urticaria caused by direct contact such as nettle and hogweed, like bee stings and wasp stings can develop urticaria.
Angioedema - Hives
A more severe form of urticaria, angioedema (hives), which is a swelling of the skin and mucous membranes, that is typical of the lips, mouth, throat, around your eyes and the external genitalia. The swelling is greater than 'ordinary urticaria'. If swelling is in the throat and respiratory tract, the condition is serious. Urticaria can be treated with allergy medications that contain antihistamines - available over the counter at pharmacies eg Alnok or Cetirizine tablets. In extremely rare cases where Urticaria (hives) as mentioned proves with swelling of the face and mouth, you should immediately contact a doctor.
Symptoms of Urticaria
Itching is usually the first symptom of urticaria. The itching can be very violent, and can generate both daily activities and sleep. After a few minutes comes nettles, which appears as a raised pink to red rash on the skin, varying in size from small buds to large contiguous areas of the body. The areas are slightly paler in the middle. The typical rash is similar to the result of contact with a larger quantity of nettles or 'Box Jellyfish'. Nettles lasts for 2-3 hours, then disappear - and arises then maybe somewhere else on the body. After a day's nettles are usually completely gone. If the areas are still there after 24 hours, there may be a special form of urticaria, which is usually caused by connective tissue (angioedema). A more severe form of urticaria, which is a swelling of the skin and mucous membranes of the face around the mouth. Does such swellings cause swallowing or breathing, immediately seek emergency physician or emergency ward.
Medication and treatment of Urticaria
There are different remedies for treating allergies such as antihistamine tablets, oral solution, eye drops, nasal sprays and creams. Urticaria is treated with allergy drugs, and tablets which contain an antihistamine such as Alnok tablets, tablets or Cetirizine Cetirizine PCD tablets. The tablets acts by inhibiting the action of histamine which are responsible for the development of the allergic reaction.
Generally distinguish between narcotic and non-sedating antihistamines. Choose an antihistamine, which is not blunt. But do you suffer from such severe itching, the sedative tablets be an advantage if you take them at night. Otherwise, the itching would make it impossible to fall asleep. In severe allergies, it is rarely enough to use antihistamines. Here it is advantageous to combine with other agents, such as eye drops, nasal spray or cream. Your doctor may recommend that you also take a tablet with corticosteroids (steroids). In most cases, urticaria disappears after weeks to months. The chronic cases may last years.
Internal and external causes of Urticaria
At the onset of urticaria, you should pay attention to what you've just eaten, resided in, or touched, just before the hives developed. Think about whether you have ever had urticaria, and whether there might be a connection.
- External causes of Urticaria is contact with stinging nettles, Box Jellyfish, insect bites and flea bites. In some people Urticaria can also be induced by eg light, cold, heat and pressure.
- Internal factors are drugs such as penicillin, aspirin and other acetylsalicylic-containing headache pills, some anti-rheumatic drugs and analgesics. Urticaria can be triggered, for example, shellfish, nuts and strawberries. Foodstuffs may also contain preservatives, and coloring agents can also develop urticaria.
The diagnosis 'Urticaria' is rarely difficult to make, whereas it is only about 10 percent of the cases that it manages to find the cause.
Contact Your doctor
If you get several cases of urticaria. If you have other signs of hypersensitivity such as asthma or eczema. If rashes found on large parts of the body makes little itch or if you become unwell. If there is suspicion that a particular thing or substance is Urticaria. If Urticaria sits on the lips, mouth or throat. If you have a history of angioedema. If you get short of breath at the same time and become unwell with dizziness and nausea.