Hives are generally caused by an allergic reaction to something that’s been ingested or inhaled. However, hives can occur as a result of hay fever. The first symptoms you’ll notice are itchiness and possibly red patches or eruptions on the skin.
Can seasonal allergies cause skin rash?
If you have skin allergies, summer is a common time for skin rash flare-ups, including atopic dermatitis (eczema) and urticaria (hives). These steps may help to reduce your symptoms, or even avoid them all together: 1.
What kind of allergies cause hives?
People get hives and angioedema from all kinds of things, including:
- Airborne allergens like tree and grass pollen, mold spores and pet dander.
- Bacterial infections, such as strep throat and urinary tract infections.
- Food allergies to milk, peanuts and tree nuts, eggs, fish and shellfish.
- Insect stings.
Can environmental allergies cause hives?
Hives are usually caused by exposure to some substance to which you are allergic. Things that cause hives include environmental allergies, foods such as tree nuts, peanuts, shellfish and medications such as antibiotics or even aspirin or NSAID’s. In some, even exposure to the cold can cause hives.
What does allergic rash look like?
What does a skin allergy look like? There are several different types of skin allergy reactions that allergists treat. Hives (also known as urticaria) are raised itchy bumps. Typically hives appear reddish, and will “blanch” (or turn white) in the center when pressed.
What kind of allergies cause skin rash?
What Causes a Skin Allergy?
- Nickel. Found in jewelry, belt buckles, zippers, and bra hooks, this metal is the most common cause of contact dermatitis.
- Fragrances. …
- Ingredients in household products. …
- Antibiotic creams. …
- Latex. …
- Poison ivy, oak, or sumac.
What kind of viral infection causes hives?
Some infections that can cause hives in children include respiratory viruses (common cold), strep throat, urinary tract infections, hepatitis, infectious mononucleosis (mono) and many other viral infections.
What autoimmune disease causes hives?
Research has found a strong association between certain autoimmune diseases and outbreaks of chronic hives. These types of hives are often seen in men and women already diagnosed with lupus, thyroid disease, rheumatoid arthritis, celiac disease, and Type 1 diabetes.
Why do I suddenly have hives?
A sudden onset of hives (acute hives) usually has an identifiable cause or trigger — such as insect stings or bites, medications, certain foods, allergens, or infections. Acute hives go away within a few weeks and are usually effectively treated with antihistamines.
Can hives be a sign of something serious?
Hives appear as a rapidly spreading, red, raised and itchy rash in splotches or all over the body. Caused by an allergic reaction to medications or food, hives can be a sign of a life-threatening problem when accompanied by difficulty breathing and a drop in blood pressure.
What is the best antihistamine for hives?
A nonprescription oral antihistamine, such as loratadine (Claritin), cetirizine (Zyrtec Allergy) or diphenhydramine (Benadryl Allergy, others), may help relieve itching.
What do mild hives look like?
What do hives look like? Hives (medically known as urticaria) appear on the skin as wheals that are red, very itchy, smoothly elevated areas of skin often with a blanched center. They appear in varying shapes and sizes, from a few millimeters to several centimeters in diameter anywhere on the body.
What does a hives rash look like?
Urticaria, also known as hives, is an outbreak of swollen, pale red bumps or plaques (wheals) on the skin that appear suddenly — either as a result of the body’s reaction to certain allergens, or for unknown reasons. Hives usually cause itching, but may also burn or sting.
What does a fungal rash look like?
A fungal rash is often red and itches or burns. You may have red, swollen bumps like pimples or scaly, flaky patches.
How can you tell if a rash is serious?
Red, itchy rash? If it comes with other symptoms, it could indicate something serious.
How can you tell if a rash is serious?
- If you have a fever or pain accompanying the rash. You should get it checked out, Kroshinsky said. …
- If you have a sudden spreading of bruise-like lesions. …
- If your rash continues unabated.