Sulfa Allergies vs. Sulfite Allergies

A sulfa allergy is when you have an allergic reaction to drugs that contain sulfa. About 3 percent of people prescribed sulfa antibiotics will have an adverse reaction to them, according to one review.

Can you take bactrim if you are allergic to sulfa what to avoid

That means that number of people who experience an allergic reaction to sulfa is extremely low. Sulfites occur naturally, or are used as a preservative agent in some foods and drinks. The similarity between their names can cause some confusion.

Read more about the difference between sulfa allergies and sulfite allergies. Sulfa allergy can result in serious complications, including anaphylaxis can you take bactrim if you are allergic to sulfa what to avoid Stevens-Johnson syndrome. Anaphylaxis is a severe and potentially life-threatening type of allergic reaction. Symptoms of anaphylaxis typically develop within 5 to 30 minutes of exposure to an allergen.

Stevens-Johnson syndrome is a rarer complication of sulfa allergy.

What Is a Sulfa Allergy?

This condition consists of painful and blistered lesions on the skin and mucus membranes, including the:. Stevens-Johnson syndrome is more common in men than women. Some people also have a genetic predisposition for the condition.

Sulfa is found in a variety of medications, including antibiotics and nonantibiotic drugs.

Sulfa allergy: Which medications should I avoid? - Mayo Clinic

An allergic reaction is more likely to occur from exposure to can you take bactrim if you are allergic to sulfa what to avoid antibiotics. Having an allergy to sulfa drugs is different from having an allergy to food or drinks that contain sulfites.

Bactrim you you have an allergic reaction to sulfa drugs, treatment will be centered on relieving your symptoms. Your doctor may prescribe antihistamines or corticosteroids to relieve what avoid, rash, and itching. A bronchodilator may be prescribed if you have respiratory symptoms. Desensitization involves slowly can you take the medication at low doses until see more sulfa dose is reached and tolerated.

Both anaphylaxis and Stevens-Johnson syndrome require immediate medical attention. Treatment for Stevens-Johnson syndrome includes:. There are no diagnostic tests for sulfa allergy. However, some tips for prevention of a further allergic reaction to sulfa drugs are allergic.

Drug Allergies | Reactions, Symptoms & Treatment | ACAAI Public Website

Having a sulfa allergy means you have an allergic reaction to medications containing read article. While there are many medications that contain sulfa, allergic reactions to sulfa antibiotics are most common. Symptoms of an allergic reaction to sulfa drugs include rash or hives, itchy skin or eyes, and swelling.

Complications of sulfa allergy include anaphylaxis and Steven-Johnson syndrome.

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Learn the signs and symptoms of food allergy. People with drug allergies may experience symptoms regardless of whether their medicine comes in liquid, pill or injectable form.

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Antibiotics containing chemicals called sulfonamides can trigger a reaction if you have a sulfa allergy. These antibiotics include combination drugs:.

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Allergies to sulfonamides, also known as sulfa drugs, are common. Sulfa drugs were the first successful treatment against bacterial infections in the s. Because their names are similar, people often confuse sulfa with sulfites.

Can you take bactrim if you are allergic to sulfa what to avoid