A sulfa allergy is a rash or more serious reaction to sulfa drugs. These drugs can treat a range of health problems from eye infections to rheumatoid arthritis (RA). Sulfa drugs, also called sulfonamides, include antibiotics as well as other types of drugs. Allergies happen most often with antibiotics.
What products contain sulfa?
Sulfa-containing drugs include:
- sulfonamide antibiotics, including sulfamethoxazole-trimethoprim (Bactrim, Septra) and erythromycin-sulfisoxazole (Eryzole, Pediazole)
- some diabetes medications, such as glyburide (Diabeta, Glynase PresTabs)
Is Sulfa the same as sulfur?
Sulfur and sulfate are found naturally in the body; sulfa-containing amino acids (eg, cysteine) and sulfate-containing drugs (eg, ferrous sulfate) and dietary supplements (eg, glucosamine sulfate) are not allergenic in patients with antimicrobial sulfonamide hypersensitivity.
What causes a sulfa allergy?
A sulfa allergy occurs when a person has an allergic reaction to drugs that contain chemicals called sulfonamides. Sulfa is a constituent of some antibiotics and other medications.
Is Penicillin a sulfa drug?
Amoxicillin belongs to a class of drugs called penicillins. It is a penicillin type antibiotic and it does not have sulfa in it.
What drugs should be avoided with sulfa allergy?
Drugs to Avoid With Sulfa Allergies
- Sulfamethoxazole / trimethoprim (Bactrim, Sulfatrim), a sulfa combination drug that can be taken in liquid or pill form for many types of infections.
- Sulfacetamide (BLEPH-10), drops for eye infections.
- Sulfadiazine silver (Silvadene), a cream to prevent and treat burn infections.
How common is sulfa allergy?
1 Such a response to sulfa is not all that uncommon. Whether caused by a true allergic reaction or other intolerance, sulfa reactions affect up to 6% of people (women more than men). 2 This rate is similar to what is seen with reactions to other types of antibiotics, including penicillin.
What is Sulfa used for?
Sulfonamides, or “sulfa drugs,” are a group of medicines used to treat bacterial infections. They may be prescribed to treat urinary tract infections (UTIs), bronchitis, eye infections, bacterial meningitis, pneumonia, ear infections, severe burns, traveler’s diarrhea, and other conditions.
Is ciprofloxacin a sulfa drug?
Bactrim (sulfamethoxazole and trimethoprim) is a combination of two antibiotics (a sulfa drug and a folic acid inhibitor) and Cipro (ciprofloxacin) is a quinolone antibiotic. Both drug are used to treat bacterial infections such as urinary tract infections, bronchitis and other lung infections.
Can you be allergic to sulfa and sulfites?
Sulfa drugs and sulfites are not related. Neither are their allergies. There’s no need to give up dried fruit, wine, or other items that contain sulfites if you’re sensitive to sulfa drugs.
Does omeprazole have sulfa in it?
After omeprazole is released from coating, it is converted into active sulfonamide form in the acidic environment (MedicineNet, 2009). This active sulfonamide form is then form covalent bond to cysteine residues to release proton pumps.
How long does sulfa stay in your system?
The average percentage of the dose recovered in urine from 0 to 72 hours after a single oral dose of sulfamethoxazole and trimethoprim is 84.5% for total sulfonamide and 66.8% for free trimethoprim.
How long until sulfa rash goes away?
But in some cases, it can take a drug up to two weeks to cause a rash. The rash usually disappears once you stop taking the drug.
What Antibiotics can I take if allergic to penicillin and sulfa?
Kids or adults who are allergic to penicillin may be able to take one of these antibiotics instead:
- Azithromycin (Zithromax, Zmax, Z-Pak)
- Cephalosporins, including cefixime (Suprax), cefuroxime (Ceftin), and cephalexin (Keflex)
- Clarithromycin (Biaxin)
- Clindamycin (Cleocin)
Is sulfa an antibiotic?
Sulfonamides (sulfa drugs) are drugs that are derived from sulfanilamide, a sulfur-containing chemical. Most sulfonamides are antibiotics, but some are prescribed for treating ulcerative colitis.
Is Neosporin a sulfa drug?
Are there any sulfa or sulfur-containing ingredients in NEOSPORIN® First Aid Antibiotics? No. None of the ingredients are sulfanomide (sulfa) antibiotics. However, if you have any concerns, consult with a healthcare professional before using NEOSPORIN® First Aid Antibiotics.