Imagine that you have a great BBQ with your friends and come home with a delicious meal. But a few hours later, your whole body suddenly turns red and itchy, your stomach feels like it's going to explode, and you feel a little hard to breathe. Most people think of it as food poisoning. But this is something different, a little more serious, and it could be a new type of allergy that's spreading around the world. The reason for this could be that you were bitten by a tick without realizing it. Today we're talking about this strange, but very important topic: Alpha- gal Syndrome (AGS).
Simply put, what is alpha-gal syndrome (AGS)?
Alpha-gal syndrome (AGS) is an allergy to red meat . It is very special because the main cause of this allergy is the bite of certain types of ticks.
Simply put, some ticks have a sugar molecule called alpha-gal in their saliva. When a tick bites us, this sugar molecule enters our bloodstream. Our immune system then starts making antibodies against this foreign sugar molecule. It's like an army preparing to fight an enemy.
Then, when you eat red meat like beef, pork, or goat, because that meat also contains this sugar molecule called alpha-gal, your body's pre-formed antibodies start to attack it. That's when the allergy symptoms appear.
Even the Centers for Disease Control (CDC) in the United States has paid special attention to this issue. Because even among doctors, there is little knowledge about this disease. Therefore, there are many cases where patients are not properly identified.
What are the symptoms of this allergy?
The important thing to remember is that, unlike other food allergies, symptoms of AGS appear between 2 and 6 hours after eating a food . Because of this delay, many people don't even realize that the food they are experiencing is the cause of their discomfort.
This delay often makes it difficult to diagnose the disease. If you eat meat at night and suddenly feel sick in the morning, you may not think it's because of dinner .
The table below lists some of the most common symptoms seen in this condition.
| Symptom category | Things to see |
|---|---|
| Skin-related symptoms | Hives all over the body, redness of the skin, severe itching. |
| Characteristics of the digestive system | Nausea, vomiting, stomach ache, chest pain, diarrhea. |
| Characteristics of the respiratory system | Difficulty breathing, wheezing, runny nose. |
| Other serious symptoms | Swelling of the lips, tongue, throat, or eyelids, sudden drop in blood pressure, fainting. |
For some people, these symptoms may be very mild. But for others, this can develop into a life-threatening allergic reaction called anaphylaxis . Therefore, do not ignore these symptoms. If severe symptoms occur, immediately go to the Emergency Department (ETU) of the nearest hospital.
How do you know for sure that this is AGS?
If you have the symptoms mentioned above, the first thing you should do is see a doctor immediately . Don't just guess and go for treatment .
The doctor will ask you a few questions:
- When did you start having symptoms?
- How long after eating did the symptoms appear?
- Have you been walking in a forested area recently? Do you remember being bitten by a tick?
Then, to confirm whether it is AGS, a special blood test will be ordered. This test checks for antibodies against alpha-gal in your blood. The doctor will confirm that it is AGS by considering both your symptoms and the blood test results.
If you have AGS, how do you manage your life?
There is currently no cure for AGS. The best thing to do is to avoid the foods that cause this allergy.
Foods to definitely avoid:
These are the meats of mammals.
- Beef
- Pork
- Lamb/Mutton
- Venison
- Rabbit
Foods to avoid sometimes:
Some patients may be allergic to these as well. You should discuss this with your doctor and decide.
- Cow's milk and dairy products - things like cheese, yogurt, butter.
- Gelatin - found in jellies, marshmallows, and some medicine capsules.
- Some vaccines and medications may also contain gelatin, so if you have AGS, it's important to tell your doctor before taking any medication.
To protect yourself from this situation, protect yourself from ticks!
The best way to prevent this disease is to protect yourself from ticks, especially if you are going to forests, plantations, or grassy areas.
- Dress appropriately: Wear long pants and long-sleeved clothing when going into the forest. It's even better if you can tuck your pants into your socks. Wearing light-colored clothing makes it easier to spot ticks.
- Use repellents: Apply tick repellents to your skin and clothing.
- Check when you get home: As soon as you get home from a forest trip, change your clothes and check your entire body thoroughly. Pay special attention to areas like your armpits, groin, between your hairline, and behind your ears.
- If you see a tick: If you see a tick attached to your body, do not try to pull it out with your hands. Doing so can cause the tick's head to become stuck in the skin. If possible, use fine-tipped tweezers to grasp the tick as close to the skin as possible and slowly pull it straight up. After pulling, wash the area thoroughly with soap and water.
Take-Home Message
- Alpha-gal syndrome (AGS) is a serious meat allergy caused by the bites of certain ticks.
- The most distinctive feature is that symptoms appear between 2 and 6 hours after eating red meat.
- If you have these symptoms, do not self-diagnose and see your doctor immediately for a proper medical examination and blood test.
- If AGS is confirmed, management involves primarily eliminating red meat from the diet. Dairy products and gelatin may also need to be avoided.
- The best way to avoid this disease is to protect yourself from ticks. Follow safety precautions when visiting forested and grassland areas.
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