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Does Antibiotic Usage Lead To Recurrent Rash On Neck?

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Posted on Fri, 13 May 2016
Question: I had a rash on my neck few months ego! After a while disapeared this morning i notice it is back. Plus my usual medications i am also taking Apo-Cephalexin given by my GP as i also had itching and redness on my leg after an insect bite which was not going away, he thought might have caused infection. Why this reoccuring rash on my neck? Could antibiotic i am taking trigged the neck rash? I included a photo
doctor
Answered by Dr. Dr. Muhammad Sareer Khalil (2 hours later)
Brief Answer:
Explained in detail

Detailed Answer:
Hello and welcome

Your concern is apprecaited


Antibiotics can cause rashes as advers drug reaction and cephalexin is cephalosporin with which its common but when given topical on leg its unlikely to cause rashes in neck or if given systemic then whole body is affected usually not a specified area.
As you said you had this rash before it may due allergic dermatitis or contact dermatitis allergy to any material can be the reason like jwelry etc
Usually in eczema of particular area the rashes do ghcome back which needs proper managments to precent worsening and flares.
Some times in infectious mononucleosis after ingestion of penicillins one can develop rash but that is global kind .
This can be inflammation due to skin infection .

Local oitments and topical steroids can be used if it still persists eczema should be ruled out .

please consult your doctor before taking any further course of action

let me know if you have any query

Hope it helps
Thanks

Dr M.S Khalil
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Dr. Muhammad Sareer Khalil (4 hours later)
Thanks for this. Are you suggesting that i should continue then or stop my antibiotic? Also In general before they used to say that you should continue antibiotic till is all finish. I recently read that is ok to stop when the problem is resolved. Could please clarify which one is correct? Also at the moment am fasting. I eat before sunrise and break my fast at sunset. As the antibiotic is 3 per day i am just taking one antibiotic in midday with water and nothing else till sunset. Do you see any problem with this? Or should i stop my fast?
doctor
Answered by Dr. Dr. Muhammad Sareer Khalil (3 hours later)
Brief Answer:
Explained

Detailed Answer:
Hello again

The thing with antibiotics is that they are given for particular duration of time in specific indicated doses.
Your doctor would decide to give which antibiotic for that particular infection to cover the organisms involved in how much quantity and for how much period of time.
Usually when an antibiotic dont work we replace it with the stronger one.
So you should complete the duration and dose prescribed by your doctor
If you are fasting and you are not able to take the the required amount of drug that will effect the outcome you should talk to your doctor as either to adjust the doses so that is feasible and won't effect your fast like from three times a day to two times a day or if that is not possible you have to wait for the completion of the course of antibiotics.
Regarding your skin problem it seems that your skin may be sensitive so a minute insect bite and cut can prove very difficult to heal and more likely to be infected so it is possible that if the skin is taking time to heal or there is delayed healing secondary infection is prevented by antibiotics.
If your skin condition is not getting any better with the antibiotics then it require futher evaluation.

Hope it helps
Thanks.

wishing you best of health

Dr M.S Khalil
Note: Hope the answers resolves your concerns, however for further guidance of skin related queries consult our Dermatologist.Click here to book a consultation

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Dr. Muhammad Sareer Khalil

General & Family Physician

Practicing since :2012

Answered : 2906 Questions

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Does Antibiotic Usage Lead To Recurrent Rash On Neck?

Brief Answer: Explained in detail Detailed Answer: Hello and welcome Your concern is apprecaited Antibiotics can cause rashes as advers drug reaction and cephalexin is cephalosporin with which its common but when given topical on leg its unlikely to cause rashes in neck or if given systemic then whole body is affected usually not a specified area. As you said you had this rash before it may due allergic dermatitis or contact dermatitis allergy to any material can be the reason like jwelry etc Usually in eczema of particular area the rashes do ghcome back which needs proper managments to precent worsening and flares. Some times in infectious mononucleosis after ingestion of penicillins one can develop rash but that is global kind . This can be inflammation due to skin infection . Local oitments and topical steroids can be used if it still persists eczema should be ruled out . please consult your doctor before taking any further course of action let me know if you have any query Hope it helps Thanks Dr M.S Khalil