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Doctor insights on: Colonic Reactions To Kefles

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Colitis (sigmoid) adverse reaction to Cipro (ciprofloxacin) and/or Flagyl, are there alternative courses of treatment that maybe aren't so harsh?

Colitis (sigmoid) adverse reaction to Cipro (ciprofloxacin) and/or Flagyl, are there alternative courses of treatment that maybe aren't so harsh?

Depends on cause: Cynthia, if this colitis is due to a bacteria, there are several other alternatives. If it is immune (like IBD/ulcerative colitis), then perhaps you may benefit from mesalamine. ...Read more

Dr. Qamar Khan
13 doctors shared insights

Colon (Definition)

The colon is another term for the large intestine. This is the final portion of the digestive system, responsible for absorbing water and storing stool before evacuation. It is divided into sections described as cecum; ascending, transverse, descending and ...Read more


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Are allergic reactions common to antibiotics?

Are allergic reactions common to antibiotics?

Yes: Statistically the penicillin family of antibiotics trigger the most reactions because they are so universally used. Penicillin testing is widely available by allergists and is recommended to avoid needlessly avoiding this inexpensive and effective family of antibiotics. But any kind of antibiotic carries with it the chance of allergy, and as a class, is one of the most common drug causing allergy. ...Read more

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Is doxycycline well tolerated, & is it one of the antiobios more likely to cause allergic reactions? I'm allergic to keflex and nervous to take doxy.

Is doxycycline well tolerated, & is it one of the antiobios more likely to cause allergic reactions? I'm allergic to keflex and nervous to take doxy.

Doxycycline: Doxycycline can sometimes cause stomach upset, and this can potentially limit its use. This side effect is not an allergy, however. People who are allergic to Keflex (generic cephalexin) may need to avoid other so-called beta-lactam antibiotics, which include the penicillins and cephalosporins. An allergy to Keflex would not predispose you to an allergy to Doxycycline as they are not related. ...Read more

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Allergic reaction to all cephalosporins possible?

Allergic reaction to all cephalosporins possible?

Yes: Allergy to the entire class of antibiotics called cephalosporins is indeed possible. That allergy would be the common part of the molecule shared by all cephalosporins and penicillins, the beta-lactam ring. ...Read more

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Would the older or newer generation of cephalosporins antibiotics be more likely to cause anaphylaxis in patients severely allergic to penicillin?

Would the older or newer generation of cephalosporins antibiotics be more likely to cause anaphylaxis in patients severely allergic to penicillin?

See below: Persons with type 1 immediate hypersensity to penicillin antibiotics should generally avoid taking cephalosporin antibiotics because of the low but real risk of cross allergenicity. Safe alternative antibiotics include vancomycin, septra, (sulfamethoxazole and trimethoprim) macrolides, tetracyclines, aztreonam, clindamycin, zyvox, quinolones etc. ...Read more

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Can a person who is allergic to penicillin also have adverse reactions to to fruit mold?

Yes/unrelated: People that are allergic to penicillin can be allergic to "fruit mold" but they are completely different reactions and are unrelated. The "fruit mold" that you are mentioning is probably pennicilium - the mold that actually makes penicillin. However, allergic reactions to those are separate and unrelated. ...Read more

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Possible to have an allergic reaction to Ceclor and amoxicillin?

Possible to have an allergic reaction to Ceclor and amoxicillin?

Yes: Allergies to penicillins (including amoxicillin) are more common than allergies to cephalosporins (including ceclor), but you can be allergic to either or both. A small percentage of people who have penicillin allergies are also allergic to cephalosporins. ...Read more

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What in crustaceans causes allergic reactions to some people?

What in crustaceans causes allergic reactions to some people?

Tropomyosin: A muscle protein called tropomyosin is the actual allergen for most people with crustacean allergies. This protein is common to many arthropods including the ubiquitous house dust mite. ...Read more

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Have ulcerative colitis in sigmoid and ascending colon/cecum (just confirmed by colonoscopy). Will enema treat this (allergic to NSAIDs)?

Have ulcerative colitis in sigmoid and ascending colon/cecum (just confirmed by colonoscopy). Will enema treat this (allergic to NSAIDs)?

Consider allergy ref: Thanks for your question. Depending on the NSAID allergy, sometimes it can be desensitized through introduction of small amounts initially, then gradual increase in dose under supervision by an allergy specialist. However, would discuss the side effects/risks/benefits with a specialist. ...Read more

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If the oral allergy syndrome is due to x-reactions between homologous proteins in ingested food and aero-allergens why aren't food skin tests +?

If the oral allergy syndrome is due to x-reactions between homologous proteins in ingested food and aero-allergens why aren't food skin tests +?

Too complex...?!: The gut is both an immune privileged site and responds adversely (and often unpredictably) to ingested materials (e.g. Bacteria, food, dirt, etc.). There may be too many variables to easily answer your question. A case in point is eosinophilic esophagitis. Sadly, given our knowledge gap, too many patients take too many supplements or exclude too many products for questionable reasons. ...Read more

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I'm allergic to penicillin, will other antibiotics work against a streptococcal b infection?

I'm allergic to penicillin, will other antibiotics work against a streptococcal b infection?

Yes: There are a number of effective antibiotics that your doctor can choose. Most patients who think that they are allergic to penicillin are not. Even patients who had a reaction in the past usually lose the allergy. An allergist can test to see if you are allergic. ...Read more

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I'm allergic to penicillin. Am I also allergic to penicillin derived antibiotics?

I'm allergic to penicillin.  Am I also allergic to penicillin derived antibiotics?

Maybe: Penicillin allergy is usually secondary to either the beta-lactam components or the minor determinants. If you are found to be allergic (via skin testing) to the beta-lactam component then you are at risk for sensitization to all beta-lactam medications, including cephalosporins. Fortunately in the majority of people, this is not the case. You should consult with your local allergy specialist. ...Read more

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Dr. Stephen Scholand
12 doctors shared insights

Colonic (Definition)

This is a combining term referring to some condition, treatment or disease of the colon. Such as colonic enema, colonic ...Read more