Title: Sulfa allergies: Overview and what to avoid
Headings: What to know about sulfa allergies
What to know about sulfa allergies
Symptoms
Medications that contain sulfa
Medications to avoid
Sulfa vs. sulfite allergy
Complications
Anaphylaxis
Stevens-Johnson syndrome
Treatment
Outlook

Content: In this article, we look at the signs and symptoms of a sulfa allergy, medications to avoid, complications, and treatment. We also look at the difference between sulfa and sulfite allergies. Symptoms
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Itchy skin, itchy eyes, and light-headedness may be symptoms of sulfa allergies. Symptoms of a sulfa allergy can include: a rash or hives on the skin
itchy skin
itchy eyes
feeling congested
swelling of the mouth or throat
asthma or wheezing
nausea or vomiting
light-headedness
abdominal cramping
A severe allergic reaction, such as anaphylaxis, is a medical emergency, as it can be life-threatening. It is not clear why some people react to sulfa medications. However, people who are living with HIV or AIDS may be more likely to have a sulfa allergy. Medications that contain sulfa
People have used sulfa-containing since 1936 to treat bacterial infections. Today, sulfa is present in many medications, including eye drops, burn creams, and vaginal suppositories. Medications to avoid
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Sulfa is a constituent of some medications.