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Cephalexin allergy medication

A 28-year-old male asked:
Dr. Powlin Manuel
Allergy and Immunology 51 years experience
Drug allergy?: Some patients with an allergy to penicillin could develop an allergic reaction to cephalexin, which is related in chemical structure to penicillin.

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A 33-year-old male asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
Keftabs allergy: Keftabs (cephalexin) is a is a cephalosporin antibiotic. Allergic reactions occur when your body produces antibodies to substance that are harmless to... Read More
A 44-year-old member asked:
Dr. Joseph Woods
Pathology 28 years experience
Probably rash, etc.: Symptoms include rash, itching, swelling, trouble breathing, or red, blistered, swollen or peeling skin. Overall, allergies are seen in less than 0.1%... Read More
A 25-year-old female asked:
Dr. Jack Mutnick
Allergy and Immunology 17 years experience
Allergy vs fungus: This could be an allergic reaction although it should be everywhere on your body, not just scalp, ears and groin. It could very well be that the Cepha... Read More
A 20-year-old male asked:
Dr. Yash Khanna
Family Medicine 57 years experience
Yes it is good: Yes Montelucast is used for allergies and cephalexin is a broad spectrum antibiotic used for Bacterial Infection of Sinuses and other respiratory trac... Read More
A 39-year-old female asked:
Dr. Michael Fisher
Dermatology 32 years experience
Penicillin Allergy: If you have an allergy to Keflex that means you cannot take penicillin or cephalosporin antibiotics. There are other classes of antibiotics like sulfa... Read More
A 33-year-old male asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
Keflex allergy: Keflex (Cephalexin) is an antibiotic. An allergy occurs when your body’s immune system creates antibodies to a foreign substance causing a reaction t... Read More
A 56-year-old female asked:
Dr. Creighton Wright
General Surgery 56 years experience
Several: Generations of cephalosporins any other allergies? Penicillin for example?
A female asked:
Dr. Al Hegab
Dr. Al Hegabanswered
Allergy and Immunology 40 years experience
Complex question: it depends on the type of reaction when you were exposed to penicillin, what's comforting though is that it took place 45 yrs ago, and possibility of ... Read More
A 40-year-old female asked:
Dr. John Chiu
Allergy and Immunology 57 years experience
It is uncommon: First you need to describe what kinds of problem you have had with each of the drugs since some may not really be from an allergy. Becoming "allergic... Read More

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