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cause of cephalexin allergy

A 28-year-old male asked:
Dr. Powlin Manuel
51 years experience Allergy and Immunology
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
25 years experience Psychiatry
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 43-year-old female asked:
Dr. Peter Ihle
54 years experience Orthopedic Surgery
Sounds like a --: -allergy, but if U try other meds that U have never taken B4 & R not related,& U suddenly have hives, it could B anxiety. Speak 2 Ur PCP about ... Read More
A 27-year-old female asked:
Dr. Susan Rhoads
38 years experience Family Medicine
Not common.: These are not typical side effects of Keflex Other antibiotics are more likely to do this. Are you taking any other meds or supplements? Certain fo ... Read More
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A 43-year-old female asked:
Dr. Ashley Emmert
16 years experience Allergy and Immunology
Not likely: Macrobid and neglects are not in the same class if keflex is your only antibiotic allergy
A 44-year-old member asked:
Dr. Joseph Woods
28 years experience Pathology
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
17 years experience Allergy and Immunology
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
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A 20-year-old male asked:
Dr. Yash Khanna
57 years experience Family Medicine
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 33-year-old male asked:
Dr. Heidi Fowler
25 years experience Psychiatry
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 39-year-old female asked:
Dr. Michael Fisher
32 years experience Dermatology
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

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