Allergies

Acacia trees are popular ornamental plants that also produce allergenic pollen. They typically bloom in the late winter to spring, releasing pollen that can cause seasonal allergy symptoms. People living in areas with a high concentration of acacia trees may experience increased allergic reactions during these bloom periods....

Acarus siro, commonly known as the flour mite, is often found in stored grains and flour. These mites can proliferate in kitchen cupboards and pantries, especially if the storage conditions are humid. For individuals with sensitivities, exposure to Acarus siro can lead to allergic symptoms and can be particularly troublesome for those with pre-existing respiratory conditions....

Alder pollen is a common early spring allergen released by alder trees during their blooming season. This pollen can trigger allergic reactions such as hay fever (allergic rhinitis) in sensitive individuals. Symptoms often worsen on dry, windy days when pollen dispersal is at its highest.

Almond allergy is a condition that reflects the immune system’s reaction to proteins found in almonds, a type of tree nut. It is one of the more common tree nut allergies and can cause symptoms ranging from mild irritation to severe, potentially life-threatening reactions.

Allergies to almonds, pine nuts, and sunflower seeds are common concerns for many individuals. These reactions are triggered by the immune system's response to proteins found in these nuts and seeds, leading to various symptoms. Understanding, identifying, and managing these allergies are essential steps in ensuring safety and health....

Alternaria alternata is a mold that disperses spores into the air, causing allergic reactions. It grows on many plants and materials, thriving in warm, damp conditions. People with sensitivity to this mold may experience symptoms during dry, windy weather when spore counts peak....

Apple allergy is an allergic reaction to proteins found in apples. It's commonly associated with Oral Allergy Syndrome (OAS), particularly in individuals who are also allergic to birch pollen, as the proteins in apples can cross-react with birch pollen. Reactions can range from mild to severe, although severe reactions are less common with apple allergies....

Pollen from ash trees, which is a common allergen during springtime. Can induce respiratory symptoms in allergic individuals.

Aspergillus fumigatus is a type of mold that thrives in soil and decaying organic matter but can also be found indoors. It’s a significant allergen that can lead to respiratory conditions like allergic bronchopulmonary aspergillosis (ABPA) in susceptible individuals, particularly those with asthma or cystic fibrosis...

Grass pollen that is a significant cause of seasonal allergies, especially in late spring and early summer.

Barley is a common grain used in many foods and beverages, ranging from bread and cereals to beer. For some individuals, barley can trigger an allergic reaction due to its protein content. Recognizing the symptoms and managing a barley allergy is crucial for those affected....

Bee venom allergy is a potentially life-threatening condition that occurs when an individual has an allergic reaction to bee stings. This type of allergy triggers the immune system to overreact to the proteins found in bee venom, leading to symptoms that can range from mild local swelling to severe systemic reactions, including anaphylaxis. Understanding and recognizing the signs of a bee venom allergy is key to managing and treating this condition effectively....

Bermuda grass pollen allergy is a type of allergic reaction to the pollen grains released by Bermuda grass, a common grass species in warmer regions, especially used for lawns, parks, and golf courses. This allergy is a form of seasonal allergic rhinitis, often flaring up during the grass-pollinating seasons, typically late spring and summer....

Pollen from birch trees, a common trigger of hay fever, asthma, and other respiratory allergies in the spring.

Shellfish allergies are among the most common food allergies, affecting both adults and children. This type of allergy often encompasses a range of shellfish, including blue mussel, oyster, clam, and scallop. Due to the potential severity of allergic reactions, understanding how to identify and manage an allergy to these shellfish is essential for those affected....

Buckwheat intolerance is a relatively rare condition where the body experiences difficulty digesting buckwheat, leading to various digestive symptoms. Unlike a buckwheat allergy, which involves an immune response and can cause severe reactions, intolerance is generally limited to gastrointestinal discomfort....

Cacao, the primary ingredient in chocolate, is beloved by many but can also be a source of allergies for some individuals. An allergy to cacao can manifest through various symptoms ranging from mild to severe, including skin reactions, gastrointestinal discomfort, respiratory issues, and, in rare cases, anaphylaxis. Understanding your body's response to cacao and related products is crucial for maintaining health and well-being....

Allergenic protein found in the skin, saliva, and urine of cats, which can cause respiratory issues and asthma.

Understanding the role of Cross-reactive Carbohydrate Determinants (CCDs) in allergy testing is crucial for accurately diagnosing allergies. CCDs are complex sugar structures found on the surface of plant and animal proteins that can lead to false-positive results in allergy tests....

Cheddar cheese allergy is primarily related to milk allergy, as cheddar is a dairy product made from cow's milk. Individuals allergic to cow's milk are likely to react to cheddar cheese due to the proteins it contains, such as casein and whey. Recognizing the symptoms and understanding how to manage a cheddar cheese allergy are essential steps for those affected....

Allergies to a citrus mix involve reactions to various citrus fruits without specifying particular types. This category often includes oranges, lemons, limes, grapefruits, and possibly others, such as tangerines and pomelos. Individuals with citrus mix allergies react to the proteins found across these fruits, which can lead to an array of symptoms....

Mold that can cause respiratory problems and exacerbate asthma, prevalent in damp environments.

Insect allergen from cockroaches, which can contribute to respiratory issues and trigger asthma.

Fish commonly consumed and used in various culinary dishes. Cod allergies can provoke digestive symptoms and anaphylaxis.

Common pigweed is a prevalent weed known for causing allergic reactions in late summer and fall. Its pollen can be highly allergenic and is a common cause of hay fever and other allergic symptoms. Those sensitive to pigweed pollen may experience reactions during its peak pollination period....

Common ragweed is notorious for triggering fall allergies. As one of the most potent pollen producers, ragweed can affect individuals miles away from the actual plant. Its high pollen count is a prime cause of seasonal allergic rhinitis, which affects many people as the summer transitions to autumn....

Cottonwood trees, known for their cotton-like seeds, also produce pollen that can cause allergic reactions. During the spring, cottonwood trees release pollen that can aggravate allergies in sensitive individuals. This can lead to an increase in symptoms such as sneezing, congestion, and itchy eyes, particularly on windy days when the pollen is easily spread....

Crayfish allergy is an allergic reaction to proteins found in crayfish, a type of shellfish. Similar to other shellfish allergies, it can range from mild to severe and can be potentially life-threatening in some cases. People with crayfish allergy may react not only to eating crayfish but also to inhaling steam from cooking crayfish....

Cucumber intolerance is a condition characterized by the body's difficulty in digesting cucumber, leading to gastrointestinal discomfort. This intolerance is distinct from a cucumber allergy, which involves an immune system response and can trigger more severe reactions. Cucumber intolerance typically results in digestive symptoms after consuming cucumbers....

Cultivated oat grass (Avena sativa) is a common cereal crop grown widely across temperate regions. In addition to its use in agriculture, it is a known airborne allergen. During its pollination season, oat grass releases pollen that can become airborne and inhaled, potentially triggering allergic reactions in sensitive individuals. Reactions may include symptoms such as sneezing, nasal congestion, itchy eyes, and respiratory irritation. It is one of many grasses whose pollen can contribute to seasonal allergic rhinitis, also known as hay fever.

Cultivated rye releases pollen that is a well-known cause of seasonal allergies. Its pollen season can overlap with grass pollen season, exacerbating symptoms for individuals with grass pollen allergies. When rye fields are flowering, nearby populations may experience a spike in hay fever symptoms....

Pollen from cypress trees, prevalent in the spring and fall. Known to cause hay fever and asthma symptoms.

Dandelions are commonly known as weeds or herbal remedies, but they can also cause allergic reactions or intolerances in some people. These reactions often result from exposure to dandelion pollen or direct contact with the plant. Recognizing this potential allergy is important, especially during their peak blooming season.

Dermatophagoides farinae, or the American house dust mite, is a major allergen in household dust. These mites are ubiquitous in upholstered furniture, carpets, and bedding, where they feed on skin cells shed by humans. Their fecal matter and body fragments can cause allergic reactions year-round, often leading to allergic rhinitis and asthma....

Dermatophagoides pteronyssinus, commonly known as the European house dust mite, is a prevalent source of indoor allergies. These microscopic creatures thrive in warm, humid environments and feed on organic matter like flakes of shed human skin. Their waste products and body fragments can trigger allergic reactions and asthma in sensitive individuals....

Allergenic protein found in the skin, saliva, and urine of dogs, leading to respiratory issues and skin reactions.

Eel meat intolerance is a condition that reflects difficulty in digesting eel meat, a type of seafood commonly enjoyed in various cuisines, especially in Asia and Europe. Unlike an eel meat allergy, which triggers an immune response, intolerance mainly causes digestive discomfort such as stomach pain or upset after eating eel or dishes containing it.

False ragweed (Parthenium hysterophorus), also known as parthenium weed, is an invasive plant species native to the Americas but now found across many parts of the world. It belongs to the Asteraceae family and is a notable allergen due to its highly potent airborne pollen. The plant typically flowers in late summer and autumn, releasing pollen that can trigger allergic rhinitis, asthma, and contact dermatitis in sensitive individuals. Inhalant allergy tests often include false ragweed due to its increasing prevalence and allergenic strength.

Garlic and onion, members of the Allium family, are staple ingredients in many cuisines worldwide. However, for some individuals, these foods can trigger allergic reactions due to their unique compounds. Recognizing and managing garlic and onion allergies are crucial for maintaining a healthy, reaction-free diet....

Goldenrod is often mistakenly blamed for hay fever; however, it's the less visible ragweed that blooms simultaneously and is a more potent allergen. Goldenrod pollen is heavy and sticky, not typically airborne. Allergic reactions to goldenrod are rare but possible, typically causing typical hay fever symptoms....

Guinea pig allergies are caused by proteins found in the animal's dander, saliva, and urine. People with this allergy might experience symptoms when they come into contact with guinea pigs or their living environments. Symptoms can be immediate or develop over time with repeated exposure....

Hamster allergies are triggered by allergens found in the animal's dander, saliva, and urine. People with hamster allergies can have reactions from direct contact with the animal or from the allergens dispersed in the air. Such reactions are common in homes with these pets or in pet care facilities....

Hazel trees are early bloomers, often heralding the start of the allergy season for many individuals. Their catkins release copious amounts of pollen as early as winter or spring, which can cause significant allergic reactions in people with sensitivities to tree pollen....

Pollen from hazelnut trees, known to cause respiratory allergies during its pollination period.

Allergenic animal dander that can cause respiratory symptoms and skin reactions

House dust allergies are triggered by various components of dust, including dust mites, pet dander, mold spores, and pollen. Symptoms can impair daily life, making it essential to minimize exposure and manage the home environment effectively....

Japanese cedar (Cryptomeria) is known for producing highly allergenic pollen. This pollen can trigger a condition called "cedar fever," which causes strong allergic reactions. The pollen is typically released from winter to early spring and can be especially intense in areas where these trees are common, affecting many people.

Japanese hop (Humulus japonicus) is an invasive climbing plant that blooms in late summer, releasing pollen that can trigger allergic reactions. This pollen plays a significant role in seasonal allergies, especially for those sensitive to it, with symptoms often worsening in urban areas where the plant is more widespread.

Johnson grass (Sorghum halepense) is a fast-growing perennial grass native to the Mediterranean region but now widespread in many parts of the world, especially in warm and temperate climates. It is considered both an agricultural weed and a potent source of airborne allergens. Its pollen is released during the warm months and can trigger allergic reactions in susceptible individuals, particularly those with seasonal allergic rhinitis or asthma. Johnson grass is part of the Poaceae (grass) family, which includes many cross-reactive species.

Shellfish that is a common allergen, causing symptoms such as hives, swelling, and anaphylaxis.

Allergies to fruits such as kiwi, mango, and banana are increasingly recognized and can cause discomfort and severe reactions in sensitive individuals. These allergies stem from the body's immune system reacting to specific proteins found in these fruits, leading to a range of symptoms. Recognizing these allergies and managing them effectively is vital for maintaining health and well-being....

Lamb's quarters (Chenopodium album) is a common wild plant found in many temperate regions across the world. While it’s sometimes consumed as a leafy green in foraging and traditional cuisines, it is also a known source of airborne allergens. The plant produces fine, powdery pollen during the summer, which can become airborne and cause allergic reactions such as hay fever, nasal congestion, and asthma symptoms in sensitive individuals. Due to its wide distribution and allergenic potential, lamb's quarters is often included in inhalant allergy panels.

Lenscale refers to microscopic particles of shed skin, hair, or feathers from animals, primarily pets such as cats and dogs. These particles can become airborne, settle on furniture, bedding, or carpets, and trigger allergic reactions in sensitive individuals. Unlike larger fur clumps, lenscale is extremely light and often invisible to the eye, which makes it a persistent allergen indoors even in clean environments. Allergic reactions to lenscale are caused by specific proteins found in the skin secretions or saliva of animals, which adhere to these fine particles. Even without direct animal contact, individuals can experience symptoms if exposed to contaminated environments.

Lobster and Pacific squid are delicacies enjoyed by many but can pose allergy risks for some individuals. Allergies to these seafood items can lead to reactions ranging from mild symptoms to severe, potentially life-threatening conditions. Understanding how to recognize and manage allergies to lobster and Pacific squid is crucial for affected individuals....

Maple leaf sycamore, also known as sycamore maple, is a significant source of springtime allergies. Its pollen can irritate those with sensitivities, leading to seasonal allergic rhinitis. Symptoms often flare up on sunny, breezy days when pollen is most abundant in the air....

Meat allergy occurs when the immune system mistakenly identifies certain proteins found in meat as harmful, triggering an allergic reaction. Unlike food intolerances that primarily affect digestion, meat allergies can cause a wide range of symptoms, from mild to severe....

Dust mite allergen, which is a common indoor allergen causing respiratory issues and skin reactions.

Allergies to mice and rats are a common concern, especially in laboratory environments or households where these animals are kept as pets. Allergens from mice and rats—found in their urine, dander, and saliva—can become airborne and trigger allergic reactions in sensitive individuals.

Pollen from mugwort plants, often causing respiratory symptoms in sensitive individuals during its peak season.

Oak trees are prolific pollen producers and a major source of springtime allergies. When they release pollen, it can provoke significant allergic responses in people with sensitivities. Oak pollen season often leads to an increase in allergy and asthma symptoms due to the high pollen counts....

Pollen from olive trees, typically causing hay fever and other respiratory allergies during blooming periods.

Ox-eye daisy is a charming perennial that can, unfortunately, trigger allergic reactions in sensitive individuals. Its pollen is less commonly allergenic compared to other plants but can still contribute to hay fever symptoms for those with a predisposition....

Stone fruit that can cause allergies ranging from oral allergy syndrome to severe reactions like anaphylaxis.

Penicillium notatum is a common mold known for its role in producing penicillin. In the home, it may cause allergies, particularly in damp areas. Exposure to this mold can trigger respiratory symptoms and allergic reactions in sensitive individuals, especially those with mold allergies....

Perennial rye grass (Lolium perenne) is a cool-season grass commonly used for lawns, pastures, and turf due to its rapid growth and resilience. It belongs to the Poaceae family and is a well-known source of seasonal allergens. During its pollination period—typically late spring to early summer—it releases airborne pollen that can trigger allergic reactions such as hay fever and asthma in sensitive individuals. The allergenic potential of perennial rye grass makes it a significant component in inhalant allergy testing panels.

Allergies to seafood like plaice, anchovy, and Alaska pollock are common yet can significantly impact one's diet and lifestyle. These allergies occur when the immune system reacts to proteins found in these fish, leading to various symptoms. Understanding these allergies, their potential triggers, and how to manage them is essential for those affected....

Plantain weed, not to be confused with the banana-like fruit, is a common allergen found in grassy areas. Its inconspicuous flowers release pollen that contributes to seasonal allergy symptoms. While not as prominent a pollen producer as other weeds, plantain can be problematic for those with specific sensitivities....

Pollen from ribwort plantain, a type of plant that can trigger respiratory allergies, especially in summer.

Russian thistle, also known as tumbleweed, can cause seasonal allergic reactions. Its pollen is a common allergen, especially in arid regions. During blooming seasons, the lightweight pollen can travel long distances, affecting many individuals. Symptoms are typical of hay fever and include sneezing, itchy eyes, and a runny nose....

Pollen from rye grass, a significant cause of hay fever and respiratory allergies during its pollen season.

Sheep wool allergy refers to an allergic reaction often caused not by the wool fibers themselves, but by sensitivity to lanolin (wool grease) or other substances present in the wool. These allergens can trigger symptoms when wearing clothing made from sheep’s wool or coming into contact with wool-containing products.

Shrimp allergy is a common type of shellfish allergy, involving an immune reaction to proteins found in shrimp. It's one of the most common food allergies in adults and can cause a range of symptoms from mild to severe, including the risk of anaphylaxis. Shrimp allergy is typically lifelong and can be triggered by eating shrimp or even by inhaling steam from cooking shrimp....

Silkworm pupa, used in various cuisines and as a source of silk, can cause allergic reactions in some individuals. This allergy stems from proteins present in the silkworm pupae that trigger an immune response. Recognizing symptoms, avoiding triggers, and knowing how to manage an allergy to silkworm pupa are key steps for affected individuals....

Grass pollen allergies, triggered by varieties such as sweet vernal, orchard grass, common reed, and bent grass, significantly impact individuals sensitive to these allergens. Understanding these allergies' nuances, identifying symptoms, and adopting effective management strategies can mitigate discomfort and improve quality of life during peak pollen seasons....

Timothy grass pollen allergy is a condition that results from an immune response to the pollen of Timothy grass, a widespread grass species commonly found in temperate areas and often used in hay. This allergy is a type of seasonal allergic rhinitis, with symptoms that usually appear during the grass’s pollination period, typically in late spring and early summer.

Grass pollen that triggers many seasonal allergies, causing hay fever and asthma symptoms during its season.

Vegetable widely used in culinary dishes. Tomato allergy can cause oral allergy syndrome and digestive issues.

Total IgE testing plays a crucial role in the diagnostic process for allergies. This test measures the overall levels of Immunoglobulin E (IgE) antibodies in the blood, which are produced as a response to allergens. Elevated Total IgE levels can suggest a heightened allergic sensitivity, although they do not pinpoint specific allergens....

Tuna and salmon are popular fish choices worldwide, known for their taste and health benefits. However, some individuals may experience allergic reactions to these fish, a condition that can range from mild discomfort to severe, life-threatening reactions. Understanding the symptoms, triggers, and management strategies for tuna and salmon allergies is essential for those affected....

Tyrophagus putrescentiae, also known as the mold mite, is found in various stored foods and household dust. These mites thrive in high humidity and can cause allergic reactions when their waste or body parts become airborne and inhaled by individuals with sensitivities, leading to various allergic symptoms....

Walnut intolerance is a condition that reflects difficulty in digesting walnuts, causing gastrointestinal discomfort. Unlike a walnut allergy, which triggers an immune system reaction and can lead to severe, immediate symptoms, walnut intolerance usually results in digestive issues after walnut consumption.

Wasp venom allergy is a condition that occurs when the body has an allergic reaction to the sting of a wasp. This allergy can trigger symptoms ranging from localized pain and swelling to severe anaphylaxis. Unlike bee stings, wasp stings can be more dangerous because wasps can sting multiple times, increasing the risk of a serious allergic response.

White ash trees contribute to seasonal pollen counts, particularly in the spring when they flower. The airborne pollen from white ash can trigger allergic reactions in sensitive individuals, adding to the array of tree pollens present during allergy season....

White pine trees, with their long, slender needles, are lesser-known contributors to pollen-related allergies. While their pollen is not as potent as that of some other trees, it can still cause symptoms in those with specific sensitivities, especially when pollen levels peak in the spring....

Willow trees release pollen early in the spring, contributing to seasonal allergy symptoms for many individuals. The light, easily dispersed pollen can provoke an immune response in those with a sensitivity to willow, leading to discomfort during what is often a beautiful time of year....

Pollen from wormwood plants, known to cause hay fever and exacerbate asthma during its blooming season.