Doctor insights on:
Testing For Antibiotic Allergies
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
I was diagnosed with an antibiotic allergies at a young age. Recent testing failed to prove if I'm really allergic. Can an oral challenge test help?
Drug allergy: Most of the time there is no true allergy to a certain drug, rather an adverse drug reaction interpreted as an allergy, yet we cannot speculate. I'm not sure what kind of allergy testing you had that failed, and why do you want to go for an oral challenge if there is a safer antibiotic alternative that you aren't allergic to. If necessary, consult an allergist, check aaaai. Org for one in your area ...Read more
Immune activation: The body recognizes foreign substances as invaders at time and will immunologically react against them. Antibiotics, especially in certain categories, will unite with bodily chemicals and become more likely to generate an immune response. When this happens, an allergy sets up. This would only be annoying except the reaction can be extreme and even shut down the lungs. ...Read more
Exposure = Risk: Inappropriate/excessive use of antibiotics has multiple potentially negative effects one of which is the increased risk of sensitization, allergy to the medication. ...Read more
It varies.: It can occur within seconds of swallowing the first dose, to hours after the 'umpteenth' time someone takes it. ...Read more
Yes.: Yes, however it is somewhat limited. The only fda approved antibiotic that we can skin test for is penicillin. It is tested in small amounts by scratch testing and then small amounts are injected, in increasing doses. Finally if these are negative a small oral dose is given. It is important to test for possible pencillin allergy as this is still an effective, inexpensive antibiotic. ...Read more
Yes: Drug allergies do not cause allergic reactions to vaccines. ...Read more
Antibiotics prevent: Antibiotics are given to help prevent transmitting a possible infection to the baby. The risks and benefits of all drugs given to a women who is pregnant need to be determined and discussed with her. ...Read more
Not unreasonable: The two forms of rash may look alike and be confused. ...Read more
Yes: One of the most common symptoms for patients allergic to drugs is vomiting in gastric distress. ...Read more
Will an antibiotic allergy go away on its own? I got hives from Hydrochlorothiazide on my face & chest. I've been using Benadryl (diphenhydramine) & water gels for pain
Yes: But the time it takes for remission to occur (if it goes away at all) depends on the medication. People with sulfa allergy almost never loses the allergy but those with penicillin allergy tend to lose it in 5-6 years. Do note that hydrochlorothiazide is not a common allergen and you should consider seeing an allergist to document this allergy. Benadryl (diphenhydramine) gel for pain? Does it work? ...Read more
Lower right flank pain! Not sharp, duller, present & persistent. Need to urinate more than usual. No uti. Antibiotic allergy & steroid shot today. Recent mva w/in 1.5 wk. Have virus/cold. Why/what
Uti: How do you know it's not a uti? Are you on antibiotics? Could be a muscle injury from the mva. The cold is probably not related. ...Read more
48 year old female bladder infec. What can I do fore it sence im allergic to all antibiotics. Dr sending me fore allergy testing?
If you have: An established bladder infection, it would probably not resolve without antibiotics. It is rare for you to have a true allergy to all antibiotics, so your doctor is correct to get allergy testing. I think you should follow your doctor's advice. ...Read more
Every time I have had an antibiotic I have had an allergic reaction. I have a had inconclusive allergy testing. What antibiotics can I use if needed?
Not sure: Many types of adverse reaction occur with antibiotics. Worrisome reactions occur after your body produces antibody against a drug (requiring prior exposure) or severe delayed reactions that may involve rash, liver damage, joint destruction etc. Most adverse reactions are not immune-mediated. Its very abnormal to have true allergy to many antibiotics. See an allergist willing to provide answers ...Read more
My doctor suggested allergy testing after severe rashes after taking two different classes of antibiotics. What exactly is involved in that?
Usually: After giving a good history of allergic symptoms / situation, you get about 100 tiny needle pokes w/different antigens (things you might be allergic to). Then you sit and wait for several minutes. If you are allergic to something tested, will seem longer b/c will start to itch/swell in spot where stuck. Test read by size of reactions around each poke & allergist interprets +/- and goes over w/you. ...Read more
Cat living with me for 3mth, last 1 1/2mths, been sick with fluid in ears/hearing loss-antibiotics not helping. Sign of allergy? Want 2 avoid testing
Dispose of cat: Seems you already have enough health problem without the cat, so why court more trouble? If the cat bothers you, you need to give it away then clean up the house thoroughly from top to bottom. Even then the allergens may linger on for many more months ...Read more
27 year-old woman got treated for H. pylori a month ago, but only got better for a week before nausea and "stomach burning" returned, and lookin.....?
You need a breath test to see if you've been adequately treated and possible a GI consult.
Look for a federally qualifies health clinic near you to get treated at low or no cost. ...Read more
Tricky question: Not as often as people think. Studies have shown that up to 80% of people reporting a medication allergy and not actually allergic to that medicine. Often with antibiotics the rash is actually due to the underlying infection being targeted with medication and not the medication itself. Talk to an allergist. ...Read more
No: Oral antihistamines affect the test results, not antibiotics. ...Read more
Lots of Options: Depends on the infection. Certain infections call for different antibiotics. Penicillin drugs are usually first line for most problems, however there are alternatives that can be used. Your doctor would be the best person to talk about what options are right for you. If you are interested in determining if you still have a penicillin allergy, see an Allergist for penicillin skin testing. ...Read more
Yes: TAO containing bacitracin, polymyxin B, and neomycin are widely available OTC and are generally regarded as safe and effective treatments for superficial skin infections. On occasion, these products can lead to allergic reactions ranging from localized contact dermatitis to very rarely life-threatening anaphylaxis. ...Read more
Treatment plan: Best treatment for allergies is to avoid the allergic trigger if possible/practical. Medications used to treat post nasal drip from allergies include antihistamines (zyrtec, allegra, claritin, xyzal) and topical nasal steroid sprays (most effective!) or nasal antihistamine sprays (astepro). If still not getting relief, allergy immunotherapy (allergy shots) are effective. An allergist can help. ...Read more
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