Information of interest on research, treatments, and health

Allergy to cypress pollen 1800 1201 Federico de la Roca Pinzón

Allergy to cypress pollen

Cypresses are the oldest plants that exist on Earth. In Spain there are several species of cypress, of which the most important are the common cypress (Cupressus sempervirens), the Arizona cypress (Cupressus arizonica) and the Monterrey cypress (Cupressus macrocarpa). What species of cypress is the most frequent? The common cypress is the most widespread, well-known…

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Pet Allergy 1920 1280 Jaritzy Negrín González

Pet Allergy

Cats and dogs are pets that frequently cause allergies, they can produce: 1. respiratory symptoms such as sneezing, itchy nose, runny nose, shortness of breath or wheezing (rhinitis or asthma). 2. ocular symptoms such as redness, itching and tearing (conjunctivitis), and 3. skin symptoms as itching and redness (pruritus and erythema). All animals with hair…

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Bees and Wasps 2560 1627 Federico de la Roca Pinzón

Bees and Wasps

Bees and wasps belong to the insect order Hymenoptera. These get their name from their characteristic membranous wings. In the case of bees and wasps, there are 2 pairs of wings, the later ones being a little smaller than the previous ones. From an allergological point of view, their importance lies in the fact that…

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Allergy to the sun 1920 1280 Federico de la Roca Pinzón

Allergy to the sun

In summer, or even in spring, they consult us about “sun allergy” symptoms. In general, these are patients who, after being exposed to the sun for a couple of hours, have presented itchy skin and skin lesions that they describe as “rash or rash”. Can the sun cause “allergy”? Ultraviolet radiation from sunlight is one…

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Allergic asthma 1920 1280 Jaritzy Negrín González

Allergic asthma

Bronchial asthma is a chronic inflammatory disease of the airways that causes variable airflow obstruction. How does inflammation occur? Once we inhale the allergen (dust mites, pollen, animal dander, etc.) and it comes into contact with the bronchial mucosa, a process begins in which different cells and inflammatory mediators intervene. Genetic factors have also been…

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Allergic contact dermatitis due to nickel 1920 1280 Jaritzy Negrín González

Allergic contact dermatitis due to nickel

Nickel is a hard, malleable and ductile metal that forms fundamentally divalent compounds, mostly nickel salts (Chloride, Sulfate, Nitrate) of bluish green color. It is the most common cause of allergic contact dermatitis in patients undergoing patch tests. Where do you find it? In multiple everyday objects: jewelry, scissors, keys, doorknobs, coins, clothing buttons, belt…

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Differences between alergic rhintis and cold 1920 1280 Federico de la Roca Pinzón

Differences between alergic rhintis and cold

When we have congestion, runny nose and sneezing, most of us think we are facing a cold. But what about those people who have allergic rhinitis? In them nasal congestion and sneezing are very frequent symptoms. How can a person with allergic rhinitis differentiate the symptoms of a cold from those of rhinitis? In this…

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Allergy to pine pollen and pine processionary caterpilar 1920 1280 Jaritzy Negrín González

Allergy to pine pollen and pine processionary caterpilar

Allergy to pine pollen is not common. It can become relevant in areas with high concentrations, for example in the Basque Country and Galicia. Symptoms can be nasal, ocular or bronchial. Generally, the patient is monosensitive, that is, he has no allergy to other pollens. What is the pine processionary caterpillar? The processionary caterpillar is…

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Nut allergy 1920 1275 Federico de la Roca Pinzón

Nut allergy

Nuts are, with fruits, the first cause of food allergy in adults and one of the first causes in children. What are Nuts? Nuts belong to different and unrelated botanical families. Most are fruits (almond, hazelnut, walnut, pistachio, chestnut and macadamia nut), some are seeds (sunflower seeds, pumpkin seeds and pine nut) and in recent…

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SHELLFISH ALLERGY 1920 1147 Jaritzy Negrín González


What is shellfish? They are aquatic invertebrate animals, edible. They include crustaceans with more than 50,000 species such as shrimp, lobster, lobster, prawn… and molluscs made up of more than 100,000 species of bivalves (clam, mussel, oyster), cephalopods (octopus, cuttlefish, squid) and gastropods (snail, limpets). Not necessarily if you have an allergy to one of…

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