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An allergy happens when your immune system reacts to certain substances that are usually harmless to people. There can be different causes of allergic reactions. It happens when your immune system identifies a substance as dangerous, despite being harmless, and creates antibodies that attack these substances.  Allergies can be hereditary, which means they can be transferred from one generation to another. In this blog, we’ll discuss some common allergies that affect people.

Drug Allergy

It is a type of allergy where your immune system reacts to the medicine. These medicines can be prescribed, non-prescribed, or even herbal. In most cases, it happens due to certain medicines. Some of the most common symptoms of drug allergy are skin rashes, hives, itching, fever, swelling, etc.

Food Allergy

A food allergy happens when your immune system reacts to a certain type of food. It can occur immediately after eating it. Moreover, even a small amount of such food can cause symptoms of allergy to appear. Fruits, vegetable pollen, peanuts, and fish are some common foods that can cause allergic reactions. Some common symptoms of food allergy are itching in the mouth, itchy red rash, swelling of the face, mouth, throat, etc.

Insect Allergy

An insect allergy happens when the venom from an insect bite or sting enters your body and your immune system reacts against it. The most common insects that can cause allergic reactions through their venom are bees, wasps, fire ants, etc. Some of the most common symptoms of insect allergy include swelling, skin rash, shortness of breath, stomach pain, vomiting, etc.

Mold Allergy

When you breathe mold spores, your immune reacts which results in allergy. Mold allergy can cause coughing, itchy eyes, and some other symptoms. In some people, mold allergy is also liked to the diseases like asthma. Overexposure to mold can affect breathing and other symptoms related to airways.

Pet Allergy

Pet allergy occurs when your immune system reacts to proteins found in animal skin cells. Symptoms of animal allergy are similar to hay fever like sneezing, runny nose, etc. Some people can also experience the signs of asthma due to pet allergies. These signs include difficulty in breathing, wheezing, etc.

Pollen Allergy

Pollen allergy is a type of allergy that affects people in a specific season. It is also called hay fever. Some of the most common sources of pollen allergy are trees, grasses, and weeds. The pollen from these plants is dry, light, and small, which allows it to travel through winds. Some of the most common symptoms of pollen allergy are sneezing, cough, itchy nose, effects on eyes, etc.


An allergic reaction may have mild symptoms, but, some specific allergies can be very dangerous. Allergies can even cause death in just a few minutes. A treatment is a must, in case you are affected by an allergy. Some precautions can help you to prevent allergic reactions. These precautions aim to keep you far from substances that can cause an allergic reaction. It is better to get a consultation with a good physician to control the symptoms of allergies.
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