Anaphylactic Shock: Causes, Clinical Features, Signs and Symptoms

Definition of Shock:

Shock is a life-threatening condition that occurs when the body is not getting enough blood flow. Many organs can be damaged as a result. Shock requires immediate treatment and can get worse very rapidly. As many 1 in 5 people who suffer shock will die from it.

Classification of Shock:

The following classifications are given below:

Primary shock:

This occur acting at the time of the accident or sudden illness.

Secondary shock:

This may not develop until several hours after the accident or sudden illness and is unusually very serious.

Another Classification:

Oligaemic shock:

This occurs when the tissues have been damaged and there is loss or blood or fluid from the circulation. It is very commonly present in the following circumstances-

  • Fracture,
  • Hemorrhage,
  • Burns and scalds,
  • After surgical operation,
  • In severe vomiting and diarrheas.

What is Anaphylactic Shock?

Anaphylaxis can also be called anaphylactic shock. It is an allergic reaction that can be life- threatening. In most cases, anaphylaxis will mean you need to take a trip to the emergency room.

Anaphylactic Shock
Fig: Anaphylactic Shock

Causes of Anaphylactic Shock:

Common causes include foods such as peanuts, tree nuts (e.g. almonds, walnuts, cashews, and Brazil nuts), sesame, fish, shellfish, dairy products and eggs. Non-food causes include wasp or bee stings, natural latex (rubber), penicillin or any other drug or injection.

Clinical Features/Signs and Symptoms of Anaphylactic Shock:

The first signs of an anaphylactic reaction may look like typical allergy symptoms: a runny nose or a skin rash. But within about 30 minutes, more serious signs appear. There is usually more than one of these-

  1. Coughing; wheezing; and pain, itching, or tightness in your chest.
  2. Fainting, dizziness, confusion, or weakness.
  3. Hives; a rash; and itchy, swollen, or red skin.
  4. Runny or stuffy nose and sneezing.
  5. Shortness of breath or trouble breathing and rapid heartbeat.
  6. Swollen or itchy lips or tongue.
  7. Swollen or itchy throat, hoarse voice, trouble swallowing, tightness in your throat.
  8. Vomiting, diarrhea, or cramps.
  9. Weak pulse, paleness.

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