Doctor insights on: Can you take minoycline if your allergic to amoxicililn
Yes: One is a cephalosporin, the other is a sulfa drug, not related, you can take it. ...Read more
Cat allergy shots: Immunotherapy or "shots" for cat allergy are usually only effective at preventing symptoms with brief exposures to cat, like visiting a friend with a cat. Having a cat in your house will usually overwhelm the effect of the "shots" and you will experience symptoms. Also, there is no such thing as a hypoallergenic cat. All cats have skin which produce dander which causes allergic symptoms. ...Read moreSee 1 more doctor answer
Varies: Some reactions are mild, such as hives alone. Others are more serious, with breathing problems and blood pressure drop. Some reactions (like some kinds of rashes) are not actually allergies, but different reactions that may or may not recur when you take the medicine. While it may be easier to just avoid penicillin, if it's important, you can find out if you have a "true" allergy by testing. ...Read moreSee 1 more doctor answer
Med allergy: Seeing an allergist can help, as they can desensitize the person to it. ...Read more
Yes but...: Antihistamines can be taking twice a day safely if required but there are other treatments available. If by allergic reaction you are referring to seasonal allergies, the gold-standard therapy is daily nasal steroid sprays and/or antihistamine nasal sprays. Nasal saline rinses, avoidance measures, and if refractory to treatment, allergy shots can also be helpful. See an Allergist for more details. ...Read more
What medications can I take if I am allergic to dogs, prior to visiting with family/friends that own pets?
I do not have any allergic reactions. Would it be okay to take this medicine, even though there's really nothing to cure or any histamine to block?
Usually: Recent studies have found that a majority of people who are allergic to penicillin can tolerate cephalosporin (of which Keflex is one) and particularly the 3rd generation one. However if you have had an anaphylactic reaction to penicillin, you should check with your allergist before you considering taking any cephalosporin. The risk is very low but it is better to be safe than sorry. ...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 moreSee 1 more doctor answer
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
Usually fast: Most common allergic reactions to pollen, insect stings, foods, etc., are immediate hypersensitivity reactions, meaning they occur within seconds to minutes. But you can also have a late phase, a second-wave of reaction that occurs hours later. Contact allergies (poison ivy, nickel allergy, e.g.) and some medication allergies are delayed, and may take hours, days, or weeks. ...Read more
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