- By sahlhealth
- May 18, 2021
- 61 views
Anaphylaxis is a severe, potentially life-threatening allergic reaction. It can occur within seconds or minutes of exposure to something you’re allergic to, such as peanuts or bee stings.Anaphylaxis causes your immune system to release a flood of chemicals that can cause you to go into shock â€” your blood pressure drops suddenly and your airways narrow, blocking breathing.Signs and symptoms include a rapid, weak pulse; a skin rash; and nausea and vomiting. Common triggers include certain foods, some medications, insect venom and latex. Anaphylaxis requires an injection of epinephrine and a follow-up trip to an emergency room. If you don’t have epinephrine, you need to go to an emergency room immediately. If anaphylaxis isn’t treated right away, it can be fatal.
-Anaphylaxis symptoms usually occur within minutes of exposure to an allergen. Sometimes, however, it can occur a half-hour or longer after exposure. Signs and symptoms
- Skin reactions, including hives and itching and flushed or pale skin
- Low blood pressure (hypotension)
- Constriction of your airways and a swollen tongue or throat, which can cause wheezing and trouble breathing
- A weak and rapid pulse
- Nausea, vomiting or diarrhea
- Dizziness or fainting
When to see a doctor
- Seek emergency medical help if you, your child or someone else you're with has a severe allergic reaction. Don't wait to see if the symptoms go away.
If the person having the attack carries an epinephrine autoinjector (EpiPen), administer it right away. Even if symptoms improve after the injection, you still need to go to an emergency room to make sure symptoms don't recur, even without more exposure to your allergen. This second reaction is called biphasic anaphylaxis.
- Make an appointment to see your doctor if you or your child has had a severe allergy attack or signs and symptoms of anaphylaxis in the past.
The diagnosis and long-term management of anaphylaxis are complicated, so you'll probably need to see a doctor who specializes in allergies and immunology.
-During an anaphylactic attack, you might receive cardiopulmonary resuscitation (CPR) if you stop breathing or your heart stops beating. You might also be given medications, including:
- Epinephrine (adrenaline) to reduce your body's allergic response
- Oxygen, to help you breathe
- Intravenous (IV) antihistamines and cortisone to reduce inflammation of your air passages and improve breathing
- A beta-agonist (such as albuterol) to relieve breathing symptoms
What to do in an emergency
-If you're with someone who's having an allergic reaction and shows signs of shock, act fast. Look for pale, cool and clammy skin; a weak, rapid pulse; trouble breathing; confusion; and loss of consciousness. Do the following immediately:
- Call for help
- Use an epinephrine autoinjector, if available, by pressing it into the person's thigh.
- Make sure the person is lying down and elevate his or her legs.
- Check the person's pulse and breathing and, if necessary, administer CPR or other first-aid measures.
- Using an autoinjector
-Many people at risk of anaphylaxis carry an autoinjector. This device is a combined syringe and concealed needle that injects a single dose of medication when pressed against the thigh. Always replace epinephrine before its expiration date, or it might not work properly.Using an autoinjector immediately can keep anaphylaxis from worsening and could save your life. Be sure you know how to use the autoinjector. Also, make sure the people closest to you know how to use it.
-If insect stings trigger your anaphylactic reaction, a series of allergy shots (immunotherapy) might reduce your body's allergic response and prevent a severe reaction in the future.Unfortunately, in most other cases there's no way to treat the underlying immune system condition that can lead to anaphylaxis. But you can take steps to prevent a future attack â€” and be prepared if one occurs.Try to avoid your allergy triggers.Carry self-administered epinephrine. During an anaphylactic attack, you can give yourself the drug using an autoinjector (EpiPen, others).