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Allergies: types, symptoms and treatment

Allergies: types, symptoms and treatment
Allergies are abnormal and exacerbated reactions to the presence of substances that are usually tolerated by most people, but that are not tolerated by the allergic person. These substances are called allergens and can cause different annoying and dangerous symptoms for those who suffer from them.
If you suffer from allergies, your immune system will produce antibodies to fight allergens or substances that are not necessarily harmful to your health; The appearance of these antibodies causes you to then experience different symptoms, depending on the types of allergies that afflict you.
The severity of allergies can vary according to each person's immune system, the type of allergy diagnosed and the medical check-up performed. The symptoms of allergies can range from slight irritation, sneezing, itching, etc., to an allergic reaction that can affect the entire body a few minutes after having contact with the allergens . Allergens can enter the body through contact with the skin, through the respiratory tract or through the digestive tract. In recent years there has been a rapid increase in allergies.

Types of allergies

Food Allergy

It occurs due to the intake of a particular food.


  • Swollen lips
  • Inflammation of the face, tongue and throat
  • Reddish welts accompanied by itching
  • Tingling in the mouth
  • Explosive allergic reaction that affects the entire body

Respiratory allergies

They manifest as allergic rhinitis, allergic conjunctivitis and allergic bronchial asthma.


  • Nasal congestion
  • Repetitive sneezing
  • Itching of the palate, eyes and nose
  • Eye irritation
  • Crying eyes

Skin allergies

Skin allergies generally arise from allergens such as latex, other industrial materials, pollen, some plants, pets, etc.


  • Redness of the skin
  • intense itching
  • Scales in different areas of the body

Insect bite allergy

Generally the insects that cause this allergy are bees and wasps.


  • Reddish welts accompanied by itching all over the body
  • Suffocation
  • intense cough
  • Chest pressure
  • Edema or large swelling in the bite area

Drug allergy

Drug allergies can arise from the intake of different drugs. However, most allergies come from some antibiotics and pain relievers.


  • Reddish welts accompanied by itching
  • Inflammation of the face
  • Shortness of breath
  • Itching in different areas of the body
  • Rashes on the foot
  • Explosive allergic reaction that affects the entire body


Food allergy, insect sting allergy, and other types of allergies can cause a severe allergic reaction that affects the entire body (anaphylaxis). This is a state of medical emergency and is life-threatening.


  • Decreased blood pressure
  • Choking or serious difficulty breathing
  • Loss of consciousness
  • Feeling of lightheadedness
  • Vomiting and nausea
  • Weak and fast heart rate
  • Skin rash

Allergy symptoms

Although you already know several symptoms depending on the different types of allergies , below we give you a list of general symptoms so you can identify the presence of an allergy at any time.

The allergies They tend to manifest themselves a few hours after you have come into contact with them. allergens . In more serious situations, the allergies They can even cause anaphylactic shock, so it is very important that you contact your GP or go to the nearest hospital immediately if you have any of these symptoms. It is important that you always carry the medications you have been prescribed to control allergies.

Some of the symptoms most frequently reported by patients are:

  • Itchy nose and eyes
  • Rash on the skin
  • Edema
  • Sudden hives or skin redness
  • Eczema
  • sneezing
  • Sudden swelling of the lips, face or hands after eating food or medications.
  • Whistling when breathing
  • Nasal fluid
  • Dermatitis
  • Cough
  • Difficulty breathing
  • Red eyes
  • Nausea vomiting
  • Diarrhea
  • Conjunctivitis
  • Dizziness/unconsciousness

Allergy treatment

Once the allergens and the type of allergy that afflicts you have been diagnosed, the next step is to stick to a strict treatment or follow some key tips to prevent the symptoms from appearing again.

Eliminating the source of the allergy is the most effective method of prevention and treatment at the same time. Of course, avoid allergens This is not always possible, as is the case with pollen and dust mites that are present in the environment, at home or outdoors. It is easier to avoid the source of the problem when it is nutritional or focuses on certain products-substances.

It is possible that the specialist doctor, after identifying the cause, will suggest some medication. The medications aim to reduce allergy symptoms and improve the patient's quality of life. Some are usually prescribed antihistamines, decongestants, anti-inflammatories and/or bronchodilators.

Despite this, almost the only treatment capable of changing the course of the allergy is immunotherapy , which will have to be indicated and administered by the allergist. In any case, your doctor will choose the most appropriate medication for you, based on your general medical history.

"Because prevention is better than cure"
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