Doctor insights on:
Can I Take Norvasc If Im Allergic To Penicillin
Malaria tablets: Potentially any. There isn't an association between penicillin allergy and allergy to any malaria medication, whether it is for prevention or treatment. The two antibiotics used for malaria are tetracycline and sulfonamides, but these are not related to penicillin and do not have cross-sensitivity to it. ...Read more
I'm allergic to penicillin and erythromycine, can I take bactrim (sulfamethoxazole and trimethoprim)?
Yes but for what?: Yes. You can take Bactrim (sulfamethoxazole and trimethoprim) as it is a sulfa drug and different class of drug from penicillin and erythromycin. The real question is for what condition do you want to take? Because the causative organisms for specific diseases may be virus, bacteria, fungus or parasite and the Bactrim (sulfamethoxazole and trimethoprim) is not a magic bullet for all. See your doctorwho would tailor the antibiotic according to organism & sensitivity. ...Read more
Not related: And no way to know if you are truly allergic to penicillin except by getting professionally tested by an allergist or having a reaction after taking the medicine in any form and establishing a temporal relationship, if there's no alternative to penicillin, and you have a history of? Penicillin allergy, ask your doctor to consult an allergist, otherwise ask your doctor to prescribe an alternative ...Read more
Yes, assuming . . .: The antihistamine Benadryl (diphenhydramine) is not related to antibiotics, penicillin. So if you're allergic to diphenhydramine, you should still be able to take penicillin, assuming that you're not allergic to penicillin, too. Out of curiosity, what were your allergy symptoms? Perhaps you're allergic to filler & dye in pill, not to diphenhydramine. ...Read more
No: Amoxicillin is a type of penicillin. You should not take it if you are sure that you are allergic to penicillin. Other pencillin drugs you need to avoid are ampicillin, ticaracillin, augmentin (amoxicillin and clavulanate) (amoxicillin-clavulanate), piperacillin, and sometimes cephalosporin antibiotics. You should see an allergist to help you out with by testing and clarifying the allergies. ...Read more
Many: You need to avoid penicillin and amoxicillin plus a few related drugs but other antibiotics can usually be tolerated. Cephalosporin cross-sensitivity is possible (as much as 10%) but I have rarely seen one in my practice. The cross-sensitivity in the newer generations of cephalosporin is even rarer. ...Read more
Anything not PCN ok.: Actually the incidence of a true IgE mediated reaction to Penicillin is less than 1% of the population at large. Thankfully there are many alternatives to penicillin for treating susceptible organisms. The big question that occurs almost always is can a penicillin allergic pt be given a cephalosporin. The true incidence of real crossover sensitivity to "cephalo's" is anywhere from 0.5% to 10% ...Read more
Maybe: Penicillins (like amoxil) & cephalosporins (like keflex) are both beta-lactam antibiotics named because of their ringed chemical structure. Allergy to penicillins is sometimes directed against this ring, and an allergic reaction may also occur if a similar antibiotic is taken. It is estimated that about 10% of penicillin-allergic patients are also allergic to cephalosporins like keflex. ...Read more
Depends what for: For instance cipro, (ciprofloxacin) zithromycin ; Nitrofurantoin would both be quite safe. Cephalosporins, such as Keflex or suprax are probably safe, but there is some cross-reactivity at times between penillins ; cephalosporins. Trimthoprim without sulfa would also be ok but bacrtim or septra because they contain sulfa. ...Read more
Since I'm allergic to penicillin, I was prescribed cefazolin, but I'm terrified of needles. Can I take pills instead?
Pen/cephalosporins : It depends. First of all, the first choice substitute antibiotic for a penicillin-allergic person is not a cephalosporin, especially a first-generation one like cephazolin. There is a small chance you will be allergic to the cephazolin, and giving it parenterally is much more dangerous than orally. The type of infection you have determines what antibiotics you can use. Ask your doctor for options. ...Read more
I'm supposed to be allergic to penicillin but I take amoxicillin with no problems. Does this mean I'm not allergic anymore?
Depends.: It depends on how severe your reaction is and who the prescribing practitioner is. There is about a 10% cross reactivity with cephalosporins (Rocephin (ceftriaxone)) and penicillin based drugs. Usually if the reaction is minor, I will prescribe a cephalosporin like Rocephin (ceftriaxone). However, if the reaction to the penicillin based med is severe like shortness of breath, swelling or anaphylaxis I may avoid them completely. ...Read more
No: If you are truly allergic to penicillin, you should avoid all penicillin derivatives and the first generation cephalosporins. Keflex is a first gen. Cephalosporin and may cross react with penicillin. See a board certified allergist to help you determine if penicillin is a true allergy for you. ...Read more
Cross-reactivity: Patients with true allergy to cephalosporins have less than a 3% chance of reaction to penicillins and less than 0.5% of those will have a serious reaction. The reality is that if you take Amoxicillin you should remain in the doctor's office for 30 mins. To ensure that you will not have a serious reaction and if you do that you can be treated effectively. ...Read more
I'm allergic to penicillin and camping in remote area. Will 150 mg. Clindamycin. Treat my strep? Should I double it? How often do I take it?
Talk to doctor: I think catching a strep infection from camping is at the very low risk category. You should be more worried over GI or sinus issues. Discuss with your doctor re the best choice for your travel destination since clindamycin may lead to serious GI issue for some people and this is not something you would ever want to suffer in a remote area. ...Read more
You shouldn't: But it has nothing to do with penicillin allergy. The two drugs are totally unrelated, but mdma is a dangerous drug in kids, even more so in a 39-year old, who should have given up that kind of nonsense long ago. Many mdma pills are not pure, and may contain other related chemicals, some of which are even more dangerous than the ecstacy itself. Molly, a particular brand of mdma has caused deaths. ...Read more
Several choices: Sulfonamides (bactrim, septra) and flouroquinalones (cipro) are good choices. Fyi- up to 90% of people who carry a diagnosis of penicillin allergy are not really penicillin allergic. An allergist can test you for penicillin allergy. A negative test could make your life lots easier. ...Read more
A day to weeks:
There are 2 types of "allergic" reactions, meaning an immune response, that we typically see with penicillin. However, there are numerous non-allergic or adverse reactions that can occur.
For your question, the 2 allergic reactions are Type I and Type III. Type I can be immediately following one dose of Pen or after days. TypeIII can occur a few weeks after stopping! Can only test for Type I. ...Read more
Help please? How long does it take for a rash to go away that's an allergic reaction to penicillin?
Several days: Expect to have the rash from 1 to 3 weeks or some remnant of it. ...Read more
If my wife is allergic to penicillin and I take something that has penicillin in it, can we have sex?
Generally: But there will be some penicillin in your semen. If she has had a life-threatening reaction to penicillin, you should abstain; if she had a milder reaction, she should be prepared to experience some vaginal itching after intercourse (assuming, by the fact that you asked, that you don't use condoms — if you do, there's no problem). ...Read more
If you ate mold on bread and you are allergic to penicillin how long will it take for it to go into effect?
My boyfriend just started taking penicillin for an infected tooth and I am severely allergic are there any precautions I should take?
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