Sabtu, 22 Desember 2012

Alcohol intolerance

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Alcohol intolerance

Definition:
Alcohol intolerance

Alcohol intolerance can cause immediate, unpleasant reactions after you consume alcohol. The most common signs and symptoms of alcohol intolerance are nasal congestion and skin flushing. This condition is sometimes inaccurately referred to as an alcohol allergy. Alcohol intolerance is caused by a genetic condition in which the body is unable to break down alcohol. The only way to prevent alcohol intolerance is to avoid alcohol altogether.

In some cases, what may seem to be alcohol intolerance is caused by a reaction to something else in an alcoholic beverage — such as chemicals, grains or preservatives. In other cases, reactions are caused by combining alcohol with certain medications. In rare instances, reactions to alcohol can be a sign of a serious underlying health problem that requires diagnosis and treatment.


Symptoms:

Alcohol intolerance symptoms — or symptoms of a reaction to ingredients in an alcoholic beverage — can include:
  • Facial redness (flushing)
  • Warm, red, itchy bumps on the skin (hives)
  • Worsening of pre-existing asthma
  • Runny or stuffy nose
  • Headache
  • Low blood pressure
  • Nausea
  • Vomiting
When to see a doctor
You may not need to see a doctor if you have a mild intolerance to alcohol or something else in alcoholic beverages. You may simply need to avoid alcohol, limit how much you drink or avoid certain types of alcoholic beverages that seem to be causing your symptoms. However, if you have a serious reaction or you suspect your symptoms could be linked to an allergy or underlying health problem or a medication you're taking, see your doctor.

Causes : 

Alcohol intolerance occurs when your body doesn't have the proper enzymes to break down (metabolize) the toxins in alcohol. This is caused by inherited (genetic) traits.
Intolerance reactions can also be caused by a number of other ingredients commonly found in alcoholic beverages, especially in beer or wine.  These include:
  • Sulfites or other preservatives
  • Chemicals, grains or other ingredients
  • Histamine, a byproduct of fermentation or brewing
In some cases, reactions can be triggered by an allergy to a grain such as corn, wheat or rye or to another substance contained in alcoholic beverages.
Rarely, severe pain after drinking alcohol is a sign of a more serious underlying disorder, such as Hodgkin lymphoma.

Complications:

Depending on the cause, complications of alcohol intolerance or other reactions to alcoholic beverages can include:
  • Migraines. Histamines, contained in some alcoholic beverages and also released by your immune system during an allergic reaction, may trigger migraines in some people.
  • A severe allergic reaction. In very rare cases, an allergic reaction can be life-threatening (anaphylactic reaction) and require emergency treatment.
Treatments and drugs:

The only way to avoid alcohol intolerance symptoms or an allergic reaction is to avoid alcohol or the particular beverage or ingredients that cause the problem. For a minor reaction, over-the-counter or prescription antihistamines may help reduce symptoms, such as itching or hives. However, antihistamines can't treat a serious allergic reaction.

If you've had a severe allergic reaction to a certain food, wear a medical alert bracelet or necklace that lets others know that you have an allergy in case you have a reaction and you're unable to communicate. Ask your doctor if you need to carry emergency epinephrine (adrenaline) in the form of an autoinjector (EpiPen, Twinject). This prescription device has a concealed needle that injects a single dose of epinephrine when you press it against your thigh.



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