What are allergies symptoms
Common symptoms of an allergic reaction include:
- sneezing and an itchy, runny or blocked nose (allergic rhinitis)
- wheezing, chest tightness, shortness of breath and a cough
- swollen lips, tongue, eyes or face
- tummy pain, feeling ill, vomiting or diarrhoea
- a raised, itchy, red rash (hives)
- itchy, red, watering eyes (conjunctivitis)
- dry, red and cracked skin
The symptoms vary depending on what you’re allergic to and how you come into contact with it.
For example, you may have a runny nose if exposed to pollen, develop a rash if you own a skin allergy, or feel sick if you eat something you’re allergic to.
See your GP if you or your kid might own had an allergic reaction to something.
They can assist determine whether the symptoms are caused by an allergy or another condition.
Read more about diagnosing allergies.
Severe allergic reaction (anaphylaxis)
In rare cases, an allergy can lead to a severe allergic reaction, called anaphylaxis or anaphylactic shock, which can be life threatening.
This affects the whole body and usually develops within minutes of exposure to something you’re allergic to.
Signs of anaphylaxis include any of the symptoms above, as well as:
Anaphylaxis is a medical emergency that requires immediate treatment.
Read more about anaphylaxis for information about what to do if it occurs.
Sheet final reviewed: 22 November 2018
Next review due: 22 November 2021
What is an allergy blood test?
Allergies are a common and chronic condition that involves the body’s immune system.
Normally, your immune system works to fight off viruses, bacteria, and other infectious agents. When you own an allergy, your immune system treats a harmless substance, love dust or pollen, as a threat. To fight this perceived threat, your immune system makes antibodies called immunoglobulin E (IgE).
Substances that cause an allergic reaction are called allergens. Besides dust and pollen, other common allergens include animal dander, foods, including nuts and shellfish, and certain medicines, such as penicillin. Allergy symptoms can range from sneezing and a stuffy nose to a life-threatening complication called anaphylactic shock.
Allergy blood tests measure the quantity of IgE antibodies in the blood. A little quantity of IgE antibodies is normal.
A larger quantity of IgE may mean you own an allergy.
Other names: IgE allergy test, Quantitative IgE, Immunoglobulin E, Entire IgE, Specific IgE
Eye allergies: Get relief from itchy, watery eyes
By Gary Heiting, OD
Eye allergies — red, itchy, watery eyes that are bothered by the same irritants that cause sneezing and a runny nose among seasonal allergy sufferers — are extremely common.
In addition to having symptoms of sneezing, congestion and a runny nose, most of these allergy sufferers also experience itchy eyes, watery eyes, red eyes and swollen eyelids.
In some cases, eye allergies also can frolic a role in conjunctivitis (pink eye) and other eye infections.
If you ponder you own eye allergies, here are a few things you should know — including helpful tips on how to get relief from your red, itchy, watery eyes.
Eye allergy relief
To get relief from your eye allergies and itchy, watery eyes, you can take a few approaches:
The best approach to controlling your eye allergy symptoms is to do everything you can to limit your exposure to common allergens that you know you are sensitive to.
For example, on days when the pollen count is high, stay indoors as much as possible, with the air conditioner running to filter the air.
Use high quality furnace filters that can trap common allergens and replace the filters frequently.
When you do go outdoors during allergy season, wear wraparound sunglasses to assist shield your eyes from pollen, ragweed, etc., and drive with your windows closed.
Use eye drops
Because eye allergies are so common, there are numerous brands of non-prescription eye drops available that are formulated to relieve itchiness, redness and watery eyes caused by allergies.
If your eye allergy symptoms are relatively mild, non-prescription eye drops for allergy relief may work extremely well for you and may be less expensive than prescription eye drops or other medication.
Enquire your eye doctor to recommend a brand to try.
Ask about prescription medications
If your allergy symptoms are relatively severe or over-the-counter eye drops are ineffective at providing relief, you may need your eye doctor to prescribe a stronger medication.
Prescription eye drops and oral medications used to relieve eye allergies include:
Part of the body's natural allergic response is the release of histamine, a substance that dilates blood vessels and making the walls of blood vessels abnormally permeable.
Symptoms caused by histamine include a runny nose and itchy, watery eyes.
Antihistamines reduce allergic reactions by blocking the attachment of histamine to cells in the body that produce an allergic response.
Remove your contacts
Because the surface of contact lenses can attract and accumulate airborne allergens, consider wearing glasses instead of contacts during allergy season. Or consider switching to daily disposable contacts that you discard after a single use to avoid the buildup of allergens and other debris on your lenses.
Often, the best choice if allergies are bothering your eyes is to discontinue wearing contacts altogether — at least until every your allergy symptoms are gone.
Also, wearing eyeglasses with photochromic lenses can reduce allergy-related sensitivity to light and can assist shield your eyes from airborne allergens.
Like people, our feline friends can develop allergies.
This happens when their immune systems become sensitive to substances present in their surroundings. Known as allergens, these irritating substances may not annoy you or other animals in your home, but as your cat’s body tries to get rid of the offending substances, he might show every kinds of symptoms.
Because there is such a wide variety of allergens, cat allergies are generally divided into 3 main categories: flea allergy, environmental allergies (atopic dermatitis), and food allergy. Flea allergy and environmental allergies – the ones that cause “hay fever” symptoms in humans – are the most common. However, cats often own multiple allergies, so a thorough examination by your veterinarian or veterinary dermatologist is recommended.
Allergic kitties are often extremely itchy and own skin problems associated with allergic dermatitis.
They also might exhibit some of these symptoms:
- Sneezing, coughing, and wheezing – especially if the cat has asthma
- Ear infections
- Vomiting or diarrhea
- Snoring caused by an inflamed throat
- Itchy, runny eyes
- Paw chewing or swollen, sensitive paws
There are a variety of allergens that cause these symptoms:
- Pollen, grass, plants, mold, mildew, and other organic substances
- Perfumes and colognes
- Household cleaning products
- Prescription drugs
- Fleas or flea-control products
- Some cat litters
Gastrointestinal symptoms generally accompany a food allergy, so it is significant to avoid feeding your cat food to which he or she has a known allergy.
Also, allergies tend to be more common among outdoor cats because they are exposed to a wider range of potential allergens, especially from plants and organic matter.
If something appears to be making your kitty miserable, the best thing to do is pay your veterinarian a visit. He or she will initially do a finish history and physical exam for your cat to determine the source of the allergies.
If your vet suspects your cat has allergies, he might desire to act out blood tests or experiment with your kitty’s diet to narrow below the cause.
Or, if your vet thinks your cat has a skin allergy, your cat might be referred to a veterinary dermatologist.
Treatment & Prevention
The best way to treat your cat’s allergies is to remove the allergens from his or her environment. For instance, if your cat’s allergies are caused by fleas, using veterinarian-recommended flea and tick preventatives can eliminate the cause. If the problem is cat litter, substituting your normal litter for a dust-free alternative could do the trick. In fact, this might assist correct a bigger problem if your cat’s been missing his or her litter box.
When it comes to pollen, fungus, mold, or dust, bathing your cat a couple of times per week can assist alleviate itching.
Your veterinarian can recommend an appropriate shampoo to assist you avoid drying out your cat’s skin.
A diagnosis of food allergies may require you to provide your cat with a prescription diet or even home-cooked meals free of the offending allergens. Your veterinarian will provide recommendations as to the best course of action. It is possible that your cat will need dietary supplements to ensure he gets every the vital nutrients he needs.
Medication is sometimes prescribed for cats in case certain allergens cannot be removed from the environment. Medications include:
- Cortisone, steroids or allergy injections for airborne pollens
- Antihistamines as a preventative
- Flea prevention products
How do allergies affect asthma?
If your cat is allergic to environmental pollutants, it may worsen your cat’s asthma.
In this case, your vet may prescribe medications that open your cat’s airway for the short-term; endless term solutions include corticosteroids.
And here’s a excellent reminder: cigarette smoke is bad for your cat, especially if your cat has asthma.
If you own any questions or concerns, you should always visit or call your veterinarian – they are your best resource to ensure the health and well-being of your pets.
Around the world, children are far more likely than ever before to develop food allergies.
Inquiries into the deaths of British teenagers after eating buttermilk, sesame and peanut own highlighted the sometimes tragic consequences.
Final year, a six-year-old girl in Western Australia died as the result of a dairy allergy.
The rise in allergies in recent decades has been particularly noticeable in the West. Food allergy now affects about 7% of children in the UK and 9% of those in Australia, for example. Across Europe, 2% of adults own food allergies.
Life-threatening reactions can be prompted even by traces of the trigger foods, meaning patients and families live with fear and anxiety. The dietary restrictions which follow can become a burden to social and family lives.
While we can’t tell for certain why allergy rates are increasing, researchers around the world are working hard to discover ways to combat this phenomenon.
What causes an allergy?
An allergy is caused by the immune system fighting substances in the environment that it should see as harmless, known as allergens.
These innocent substances become targets, leading to allergic reactions.
Symptoms range from skin redness, hives and swelling to — in the most severe cases — vomiting, diarrhoea, difficulty breathing and anaphylactic shock.
Some of the most common foods for children to be allergic to are:
- tree nuts (eg walnuts, almonds, pine nuts, brazil nuts, pecans)
- shellfish (eg crustaceans and molluscs)
What causes eye allergies
Common allergens include pollen, animal dander and mold.
Eye allergies also can be caused by reactions to certain cosmetics or eye drops, including artificial tears used for treating dry eyes that contain preservatives.
Food allergies and allergic reactions to bee stings or other insect bites typically do not affect the eyes as severely as airborne allergens do.