Information of interest on research, treatments, and health

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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Autumn allergies: molds 1920 1280 Federico de la Roca Pinzón

Autumn allergies: molds

Molds are microorganisms invisible to the human eye, but their accumulation in the form of colonies makes them visible as moisture stains on walls or in the moldy appearance in colonized food. Molds alone does not induce allergy symptoms, they require spores to reach the mucous membranes of allergic patients. Spores are the reproductive particles…

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Allergic Conjunctivitis 1270 768 Jaritzy Negrín González

Allergic Conjunctivitis

What is allergic conjunctivitis? Allergic conjunctivitis It is the inflammation of the ocular conjunctiva caused by exposure to an allergen (pollen, dust mites, molds, animal epithelia, among others) causing an immune response mediated by specific antibodies called specific immunoglobulin E It is considered the most frequent of eye allergies. Depending on the causal allergen it can be perennial…

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Allergic reactions and COVID-19 vaccines 1270 768 Federico de la Roca Pinzón

Allergic reactions and COVID-19 vaccines

We are currently immersed in a COVID-19 vaccination campaign (SRAS -CoV-2) and there are many doubts about this regard. “From ClinicAL we want to convey that vaccination, with the different vaccines approved by the European Medicines Agency (EMA) and the Spanish Medicines and Health Products Agency (AEMPS), is safe.” Currently, 4 vaccines have been approved for…

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