What food allergies can cause headaches
Dr. Sarita Patil, an allergist with Massachusetts General Hospital’s Allergy Associates in Boston, talked to Live Science about strategies for outdoor lovers with seasonal allergies.
Patil suggested figuring out exactly what type of pollen you’re allergic to, and then avoiding planning outdoor activities during peak pollinating times in the months when those plants are in bloom. Numerous grasses, for example, typically pollinate in tardy spring and early summer and release most of their spores in the afternoon and early evening.
Her other strategies: Be capable to identify the pollen perpetrator by sight; monitor pollen counts before scheduling outdoor time; go exterior at a time of day when the plants that make you go achoo are not pollinating; and wear protective gear love sunglasses, among other tips.
[7 Strategies for Outdoor Lovers with Seasonal Allergies]
Allergy sufferers may also select to combat symptoms with medication designed to shut below or trick the immune sensitivity in the body. Whether over-the-counter or prescription, most allergy pills work by releasing chemicals into the body that bind naturally to histamine — the protein that reacts to the allergen and causes an immune response — negating the protein’s effect.
Other allergy remedies attack the symptoms at the source.
Nasal sprays contain athletic ingredients that decongest by soothing irritated blood vessels in the nose, while eye drops both moisturize and reduce inflammation. Doctors may also prescribe allergy shots, Josephson said.
For kids, allergy medications are tricky. A nationally representative poll of parents with kids between ages 6 and 12 found that 21% of parents said they had trouble figuring out the correct dose of allergy meds for their child; 15% of parents gave a kid an adult form of the allergy medicine, and 33% of these parents also gave their kid the adult dose of that medicine.
Doctors may also recommend allergy shots, a neti pot that can rinse the sinuses, or a Grossan Hydropulse — an irrigating system that cleans the nose of pollens, infection and environmental irritants, Josephson said.
Alternative and holistic options, along with acupuncture, may also assist people with hay fever, Josephson said.
People can also avoid pollen by keeping their windows closed in the spring, and by using air purifiers and air conditioners at home.
Probiotics may also be helpful in stopping those itchy eyes and runny noses. A review published in the journal International Forum of Allergy and Rhinology found that people who suffer from hay fever may benefit from using probiotics, or «good bacteria,» thought to promote a healthy gut. Although the jury is still out on whether probiotics are an effective treatment for seasonal allergies, the researchers noted that these gut bacteria could hold the body’s immune system from flaring up in response to allergens — something that could reduce allergy symptoms.
[5 Myths About Probiotics]
This article was updated on April 30, , by Live Science Contributor Rachel Ross.
This is a list of allergies, which includes the allergen, potential reactions, and a brief description of the cause where applicable.
How do scientists know how much pollen is in the air? They set a trap. The trap — generally a glass plate or rod coated with adhesive — is analyzed every few hours, and the number of particles collected is then averaged to reflect the particles that would pass through the area in any hour period. That measurement is converted to pollen per cubic meter.
Mold counts work much the same way.
A pollen count is an imprecise measurement, scientists confess, and an arduous one — at the analysis stage, pollen grains are counted one by one under a microscope. It is also highly time-consuming to discern between types of pollen, so they are generally bundled into one variable. Given the imprecise nature of the measurement, entire daily pollen counts are often reported simply as low, moderate or high.
The American Academy of Allergy, Asthma & Immunology provides up-to-date pollen counts for U.S.
Main article: Drug allergy
|Balsam of Peru||Redness, swelling, itching, allergiccontact dermatitis reactions, stomatitis (inflammation and soreness of the mouth or tongue), cheilitis (inflammation, rash, or painful erosion of the lips, oropharyngealmucosa, or angles of their mouth), pruritus, hand eczema, generalized or resistant plantardermatitis, rhinitis, conjunctivitis, and blisters.||Present in numerous drugs, such as hemorrhoid suppositories and ointment (e.g.
Anusol), cough medicine/suppressant and lozenges, diaper rash ointments, oral and lip ointments, tincture of benzoin, wound spray (it has been reported to inhibit Mycobacterium tuberculosis as well as the common ulcer-causing bacteria H. pylori in test-tube studies), calamine lotion, surgical dressings, dental cement, eugenol used by dentists, some periodontal impression materials, and in the treatment of dry socket in dentistry.
|Tetracycline||Many, including: severe headache, dizziness, blurred vision, fever, chills, body aches, flu symptoms, severe blistering, peeling, dark colored urine|
|Dilantin||Many, including: swollen glands, simple bruising or bleeding, fever, sore throat|
|Tegretol (carbamazepine)||Shortness of breath, wheezing or difficulty breathing, swelling of the face, lips, tongue etc., hives|
|Penicillin||Diarrhea, hypersensitivity, nausea, rash, neurotoxicity, urticaria|
|Cephalosporins||Maculopapular or morbilliform skin eruption, and less commonly urticaria, eosinophilia, serum-sickness–like reactions, and anaphylaxis.|
|Sulfonamides||Urinary tract disorders, haemopoietic disorders, porphyria and hypersensitivity reactions, Stevens–Johnson syndrometoxic epidermal necrolysis|
|Non-steroidal anti-inflammatories (cromolyn sodium, nedocromil sodium, etc.)||Many, including: swollen eyes, lips, or tongue, difficulty swallowing, shortness of breath, rapid heart rate|
|Intravenous contrast dye||Anaphylactoid reactions and contrast-induced nephropathy|
|Local anesthetics||Urticaria and rash, dyspnea, wheezing, flushing, cyanosis, tachycardia|
Main article: Allergy §Other environmental factors
|Balsam of Peru||Redness, swelling, itching, allergiccontact dermatitis reactions, stomatitis (inflammation and soreness of the mouth or tongue), cheilitis (inflammation, rash, or painful erosion of the lips, oropharyngealmucosa, or angles of their mouth), pruritus, hand eczema, generalized or resistant plantardermatitis, rhinitis, conjunctivitis, and blisters.||A number of national and international surveys own identified Balsam of Peru as being in the «top five» allergens most commonly causing patch test reactions in people referred to dermatology clinics.|
|Pollen||Sneezing, body ache, headache (in rare cases, extremely painful cluster headaches may happen due to allergic sinusitis; these may leave a temporary time period of 1 and a half to 2 days with eye sensitivity), allergic conjunctivitis (includes watery, red, swelled, itchy, and irritating eyes), runny nose, irritation of the nose, nasal congestion, minor fatigue, chest pain and discomfort, coughing, sore throat, facial discomfort (feeling of stuffed face) due to allergic sinusitis, possible asthma attack, wheezing|
|Cat||Sneezing, itchy swollen eyes, rash, congestion, wheezing|
|Dog||Rash, sneezing, congestion, wheezing, vomiting from coughing, Sometimes itchy welts.||Caused by dander, saliva or urine of dogs, or by dust, pollen or other allergens that own been carried on the fur. Allergy to dogs is present in as much as 10 percent of the population.|
|Insect sting||Hives, wheezing, possible anaphylaxis||Possible from bee or wasp stings, or bites from mosquitoes or flies love Leptoconops torrens.|
|Mold||Sneeze, coughing, itchy, discharge from the nose, respiratory irritation, congested feeling, joint aches, headaches, fatigue|
|Perfume||Itchy eyes, runny nose, sore throat, headaches, muscle/joint pain, asthma attack, wheezing, chest pain, blisters|
|Cosmetics||Contact dermatitis, irritant contact dermatitis, inflammation, redness, conjunctivitis ,sneezing|
|Semen||Burning, pain and swelling, possibly for days, swelling or blisters, vaginal redness, fever, runny nose, extreme fatigue||In a case study in Switzerland, a lady who was allergic to Balsam of Peru was allergic to her boyfriend’s semen following intercourse, after he drank large amounts of Coca-Cola.|
|Latex||Contact dermatitis, hypersensitivity|
|Water (see note)||Epidermal itching||Strictly aquagenic pruritus or aquagenic urticaria, but freezing urticaria may also be described as a «water allergy,» in which water may cause hives and anaphylaxis|
|House dust mite||Asthma||Home allergen reduction may be recommended|
|Nickel (nickel sulfate hexahydrate)||Allergic contact dermatitis, dyshidrotic eczema|
|Gold (gold sodium thiosulfate)||Allergic contact dermatitis|
|Chromium||Allergic contact dermatitis|
|Cobalt chloride||Allergic contact dermatitis|
|Formaldehyde||Allergic contact dermatitis|
|Photographic developers||Allergic contact dermatitis|
|Fungicide||Allergic contact dermatitis, fever, anaphylaxis|
Main article: Food allergy
|Balsam of Peru||Redness, swelling, itching, allergiccontact dermatitis reactions, stomatitis (inflammation and soreness of the mouth or tongue), cheilitis (inflammation, rash, or painful erosion of the lips, oropharyngealmucosa, or angles of their mouth), pruritus, hand eczema, generalized or resistant plantardermatitis, rhinitis, conjunctivitis, and blisters.||Present in numerous foods, such as coffee, flavored tea, wine, beer, gin, liqueurs, apéritifs (e.g. vermouth, bitters), soft drinks including cola, juice, citrus, citrus fruit peel, marmalade, tomatoes and tomato-containing products, Mexican and Italian foods with red sauces, ketchup, spices (e.g. cloves, Jamaica pepper (allspice), cinnamon, nutmeg, paprika, curry, anise, and ginger), chili sauce, barbecue sauce, chutney, pickles, pickled vegetables, chocolate, vanilla, baked goods and pastries, pudding, ice cream, chewing gum, and candy.|
|Egg||Anaphylaxis, swelling, sometimes flatulence and vomiting||An allergic individual may not own any reaction to consuming food only prepared with yolk and not glair, or vice versa.|
|Fish||Respiratory reactions, Anaphylaxis, oral allergy syndrome, sometimes vomiting||One of three allergies to seafood, not to be conflated with allergies to crustaceans and mollusks. Fish allergy sufferers own a 50% likelihood of being cross reactive with another fish species, but some individuals are only allergic to one species, such as; tilapia, salmon,  or cod.
A proper diagnosis is considered complicated due to these cross reactivity between fish species and other seafood allergies.  Hazard extends to exposure to cooking vapors or handling.
|Fruit||Mild itching, rash, generalized urticaria, oral allergy syndrome, abdominal pain, vomiting, anaphylaxis||Mango, strawberries, banana, avocado, and kiwi are common problems. Severe allergies to tomatoes own also been reported.
|Garlic||Dermatitis, asymmetrical pattern of fissure, thickening/shedding of the outer skin layers,anaphylaxis|
|Hot peppers||Skin rash, hives, throat tightness, tongue swelling, possible vomiting|
|Oats||Dermatitis, respiratory problems, anaphylaxis|
|Maize||Hives, pallor, confusion, dizziness, stomach pain, swelling, vomiting, indigestion, diarrhea, cough, tightness in throat, wheezing, shortness of breath, anaphylaxis||Often a hard allergy to manage due to the various food products which contain various forms of corn.|
|Milk||Skin rash, hives, vomiting, diarrhea, constipation, stomach pain, flatulence, nasal congestion, dermatitis, blisters, anaphylaxis||Not to be confused with lactose intolerance.|
|Peanut||Anaphylaxis and swelling, sometimes vomiting||Includes some cold-pressed peanut oils. Distinct from tree nut allergy, as peanuts are legumes.|
|Poultry Meat||Hives, swelling of, or under the dermis, nausea, vomiting, diarrhea, severe oral allergy syndrome, shortness of breath, rarely anaphylactic shock||Very rare allergies to chicken, turkey, squab, and sometimes more mildly to other avian meats.
Not to be confused with secondary reactions of bird-egg syndrome. The genuine allergy has no causal relationship with egg allergy, nor is there any shut association with red meat allergy. Prevalence still unknown as of 
|Red Meat||Hives, swelling, dermatitis, stomach pain, nausea, vomiting, dizziness, fainting, shortness of breath,, rarely anaphylaxis||Allergies to the sugar carbohydrate found in beef, venison, lamb, and pork called alpha-gal.
It is brought on by tick bites. Allergic reaction to pork is an exception, as it may also be caused by pork-cat syndrome instead of alpha-gal allergy.
|Rice||Sneezing, runny nose, itching, stomachache, eczema.||People with a rice allergy can be affected by eating rice or breathing in rice steam.|
|Sesame||Possible respiratory, skin, and gastrointestinal reactions which can trigger serious systemic anaphylactic responses.||By law, foods containing sesame must be labeled so in European Union, Canada, Australia, and New Zealand.|
|Shellfish||Respiratory symptoms, Anaphylaxis, oral allergy syndrome, gastrointestinal symptoms, rhinitis, conjunctivitis||Shellfish allergies are highly cross reactive, but its prevalence is generally higher than that of fish allergy.
As of six allergens own been identified to prawn alone; along with crab it‘s the major culprit of seafood anaphylaxis. In reference to it as one of the “Big 8”  or “major 14” allergens it is sometimes specified as a “crustacean shellfish” allergy, or more simply, a “crustacean allergy”. Sometimes it is conflated with an allergy to molluscan shellfish but finish tolerance to one but not the other isn’t unusual.
Most generally, a mono-sensitive individual will experience a crustacean allergy alone with tolerance to mollusks, rather than vice versa.
|Soy||Anaphylaxis, sometimes vomiting|
|Sulfites||Hives, rash, redness of skin, headache (particular frontal), burning behind eyes, breathing difficulties (anaphylaxis)||Used as a preserving agent in numerous diverse foods, such as raisins, dried peaches, various other dried fruit, canned or frozen fruits and vegetables, wines, vinegars and processed meats.|
|Tartrazine||Skin irritation, hives, rash||Synthetic yellow food coloring, also used for bright green coloring|
|Tree nut||Anaphylaxis, swelling, rash, hives, sometimes vomiting||Hazard extends to exposure to cooking vapors, or handling. Distinct from peanut allergy, as peanuts are legumes.|
|Wheat||Eczema (atopic dermatitis), Hives, asthma, hay fever, angioedema, abdominal cramps, Celiac disease, diarrhea, temporary (3 or 4 day) mental incompetence, anemia, nausea, and vomiting||Not to be confused with Celiac Disease or NCGS (Non Celiac Gluten Sensitivity).
While wheat allergies are «true» allergies, Celiac Disease is an autoimmune disease.
Many substances can cause an allergic reaction when in contact with the human integumentary system.
The symptoms of allergic rhinitis may at first feel love those of a freezing. But unlike a freezing that may incubate before causing discomfort, symptoms of allergies generally appear almost as soon as a person encounters an allergen, such as pollen or mold.
Symptoms include itchy eyes, ears, nose or throat, sneezing, irritability, nasal congestion and hoarseness.
People may also experience cough, postnasal drip, sinus pressure or headaches, decreased sense of smell, snoring, sleep apnea, fatigue and asthma, Josephson said. [Oral Allergy Syndrome: 6 Ways to Avoid an Itchy, Tingling Mouth]
Many of these symptoms are the immune system’s overreaction as it attempts to protect the vital and sensitive respiratory system from exterior invaders. The antibodies produced by the body hold the foreign invaders out, but also cause the symptoms characteristic of allergic responses.
People can develop hay fever at any age, but most people are diagnosed with the disorder in childhood or early adulthood, according to the Mayo Clinic.
Symptoms typically become less severe as people age.
Often, children may first experience food allergies and eczema, or itchy skin, before developing hay fever, Josephson said. «This then worsens over the years, and patients then develop allergies to indoor allergens love dust and animals, or seasonal rhinitis, love ragweed, grass pollen, molds and tree pollen.»
Hay fever can also lead to other medical conditions. People who are allergic to weeds are more likely to get other allergies and develop asthma as they age, Josephson said. But those who get immunotherapy, such as allergy shots that assist people’s bodies get used to allergens, are less likely to develop asthma, he said.
Tests & diagnosis
A physician will consider patient history and act out a thorough physical examination if a person reports having hay-fever-like symptoms.
If necessary, the physician will do an allergy test. According to the Mayo Clinic, people can get a skin-prick test, in which doctors prick the skin on a person’s arm or upper back with diverse substances to see if any cause an allergic reaction, such as a raised bump called a hive. [7 Strange Signs You’re Having an Allergic Reaction]
Blood tests for allergies are also available. This test rates the immune system’s response to a specific allergen by measuring the quantity of allergy-causing antibodies in the bloodstream, according to the Mayo Clinic.
The most common allergen is pollen, a powder released by trees, grasses and weeds that fertilize the seeds of neighboring plants.
As plants rely on the wind to do the work for them, the pollination season sees billions of microscopic particles fill the air, and some of them finish up in people’s noses and mouths.
Spring bloomers include ash, birch, cedar, elm and maple trees, plus numerous species of grass. Weeds pollinate in the tardy summer and drop, with ragweed being the most volatile.
The pollen that sits on brightly colored flowers is rarely responsible for hay fever because it is heavier and falls to the ground rather than becoming airborne. Bees and other insects carry flower pollen from one flower to the next without ever bothering human noses.
Mold allergies are diverse.
Mold is a spore that grows on rotting logs, dead leaves and grasses. While dry-weather mold species exist, numerous types of mold thrive in moist, rainy conditions, and release their spores overnight. During both the spring and drop allergy seasons, pollen is released mainly in the morning hours and travels best on dry, warm and breezy days.
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