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Doctor insights on: Allergies Urticaria

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Are allergic rhinitis and non-allergic rhinitis chronic?

Are allergic rhinitis and non-allergic rhinitis chronic?

Usually: Although many people with allergic rhinitis only have symptoms during the peak pollen seasons depending on what they are allergic to. ...Read more

Dr. John Chiu
2,648 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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Which allergies cause urticaria?

Which allergies cause urticaria?

Any allergy can.: Urticaria (hives) is due to true allergy only 10% of the time. Any type of allergy can cause the skin rash. Foods & drugs are the most common. Other causes can be physical (direct pressure on the skin; cold; change in skin temperature) or underlying diseases like thyroid or auto-immune disorders, infections, cancer, etc. Urticaria that lasts up tp 4 weeks is considered acute. Longer is chronic. ...Read more

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Can pollen cause seasonal allergies?

Often is the cause: Pollen released from flowers and plants is often a cause for hay fever (seasonal allergies). Spring & summer time is the most challenging time for allergy sufferers. Some people find relief by eating honey that is produced locally because it can help build some tolerance to the pollen that causes one's hay fever. ...Read more

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Is non-allergic rhinitis chronic?

Is non-allergic rhinitis chronic?

Yes and no: It can be, but often times it is not. ...Read more

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Allergic rhinitis course?

Allergic rhinitis course?

lifetime: It waxes and wanes with the seasons but returns annually forever. Claritin, (loratadine) zyrtec, and Allegra are your best choices during the day; Benadryl (diphenhydramine) at night;; Pseudoephedrine combos when it's really bad. ...Read more

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Can hayfever pollen cause anaphylaxis?

Can hayfever pollen cause anaphylaxis?

Hay fever reactions?: While it is possible to see a variety of symptoms with seasonal allergies, such as sneezing, nasal congestion, eye redness, swelling and wheezing, a true anaphylactic reaction is rare. The severe, sudden onset of allergic symptoms associated with anaphylaxis might be seen as a reaction to an allergy shot to treat hay fever, but more commonly is seen with foods, medications, and insect stings, . ...Read more

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Can pollen allergies cause allergic contact chelitis?

Can pollen allergies cause allergic contact chelitis?

Doubtful : Certainly not by inhalation, but maybe if the lips came in contact with a lot of pollen. If your lips are swelling and you haven't been chewing on weed leaves, you should see your doctor ...Read more

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Can seasonal allergies cause asthma?

Can seasonal allergies cause asthma?

Yes: Seasonal pollenosis (the spring time pollen season) can be a trigger for asthma as well seasonal rhinitis and conjunctivitis. ...Read more

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About allergic rhinitis?

What?: This is inflammation of the tissues of the lining of the nasal passages induced by infiltration by immune modulating cells as a result of "allergic" reactions to a foreign chemical antigen. It results in tissue swelling, fluid production, itching, redness and general misery with congestion, coughing and other symptoms. ...Read more

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Is allergic rhinitis contagious?

Is allergic rhinitis contagious?

Allergy: Allergic rhinitis is not contagious. It is not an infectious disease, thus you cannot transmit or be infected by allergies. ...Read more

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Could loratadine treat indoor allergies, or only outdoor allergies?

Could loratadine treat indoor allergies, or only outdoor allergies?

Both: Loratadine (brand name claritin) is fda approved for seasonal allergic rhinitis (hay fever) and hives. However, it is also effective for treating allergies caused by indoor allergens such as animal dander and dust. ...Read more

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Can sun urticaria cause anaphylaxis?

Can sun urticaria cause anaphylaxis?

Not usually: Solar urticaria is not usually associated with anaphylaxis but cold urticaria may. Perhaps extensive exposure can cause problem but most people would have had a sunburn before further complication develops. ...Read more

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Can hayfever / pollen cause anaphylaxis?

Can hayfever / pollen cause anaphylaxis?

Anything is possible: It all depends on what you mean. Anaphylaxis, as defined by the involvement of more than one organ system, could surely cause anaphylaxis by causing asthmatic and urticarial/angioedema reactions. In terms of causing hypotension, i would assume that it is possible, but is rarely seen. ...Read more

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What causes allergic rhinitis?

What causes allergic rhinitis?

Allergic sensitivity: Allergic rhinitis is most commonly due to sensitization to pollens (tree, grass or weeds), animal dander, or dust mite; and even some indoor sensitizers like cockroach, mouse or fungi. The body makes "allergic antibody", or IgE, against the allergen. When inhaled/deposited on the mucosa, immune cells in the nose become activated causing the typical constellation of symptoms. ...Read more

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Can antihistamines help allergic shiners?

Can antihistamines help allergic shiners?

Possible: Allergic shiners are caused by nasal congestion that results in passive congestion of a venous plexus that is under the eyes. So using an antihistamine to help alleviate allergic inflammation and congestion of the nose may be helpful. ...Read more

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What causes crab allergies? Shrimp allergy?

What causes crab allergies? Shrimp allergy?

Muscle protein: The allergen in shrimp and crab is probably a common allergen called tropomyosin which is a muscle protein. ...Read more

Dr. James Fox Dr. Fox
1 doctor agreed:
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Can seasonal allergies cause asthmatic symptoms? Will allergy shots help?

Dr. James Fox Dr. Fox
1 doctor agreed:
Can seasonal allergies cause asthmatic symptoms? Will allergy shots help?

Yes to both: Pollens and outdoor molds can cause both nasal symptoms and asthma. Immunotherapy or allergy shots have been demonstrated to help both conditions. Controlling nasal symptoms can help with the asthma. ...Read more

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What is the best allergy medication for seasonal allergies like pollen, dust, ragweed, hay fever, dogs, cats, hamsters etc?

There are a few: Not one medicine is better than another....Everyone's system is different...Some people get better with allegra..Others with zyrtec..Others with Claritin or even benadryl (diphenhydramine). These are now over-the-counter...Try some and read the labels. If you don't feel better, see a board certified allergist (www.Acaai.Org). Good luck. ...Read more

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Dr. Al Hegab Dr. Hegab
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Are allergy vaccines helpful in allergic dermatitis?

Dr. Al Hegab Dr. Hegab
2 doctors agreed:
Are allergy vaccines helpful in allergic dermatitis?

Probably: Not as strongly effective as with airways allergies, need to be prescribed and monitored by an expert, an allergist, in selected patients, after controlling the environment and trial of other modalities, and control of symptoms, good luck ...Read more

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Dr. Corey Clay
3 doctors shared insights

Hives (Definition)

A condition characterized by an outbreak of red bumps that appear quickly after exposure to certain allergens (foods, medications, or other substances). They can vary in size, are itchy, can burn, and can last for up to ...Read more