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Developed Bruise On Underarm. Tender To Touch. Developed Frozen Shoulder. Due To Deodorants?

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Posted on Thu, 28 Feb 2013
Question: I developed bruising on my both of my underarms on Monday. I'm not sure why. The areas are slightly tender to the touch. There is a three inch long by one inch wide bruising that is slightly on the outer side of my underarm. And there are three half inch spots on the right side. The only thing that I have done different is I changed my natural deorderant to a commercial one. My underarm odor got strong after I developed frozen shoulder in my left arm. Which I am pretty sure is caused by lack of air circulation. I hope that this information will help. Thank You. XXXXXXX
doctor
Answered by Dr. Kalpana Pathak (46 minutes later)
Hi,
Thanks for writing to us.
Deodorants and antiperspirants contain plethora of chemicals and fragrances which can irritate underarm skin. However response to deodorant depends upon a person's sensitivity. So some people develop reactions to particular deodorant while some do not.
Deodorants can cause
1)Contact irritant dermatitis where one gets severely itchy red burning swollen rash that might be a bit tender.
This can be treated by stopping the use of deodorant, taking antiallergic like cetirizine and application of topical steroid.
2) deodorants and antiperspirants can block sweat ducts leading to eruption of furuncles or boils or sometimes can lead to abscess formation. The lesions are red inflammed warm to touch and tender. Sometimes a head forms in the centre due to pus formation.
Treatment requires topical and oral antibiotics.

Now to help you out specifically,
I would like to know since how long are you having these lesions
When did you switch to new deodorant
If the spots in your right under arm are more like boils.
Uploading the image of concerned area would be of immense help.

As far as underarm odour is concerned
Wearing loose cotton clothes
Keeping under arms dry and clean
Shaving the area frequently
And dusting it with antifungal powder would help in reducing the odour to large extent.
Hoping to hear from you soon. Take care.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Kalpana Pathak (27 minutes later)
I developed the bruising around Monday of this week. I just switched deodorant two days ago. The spots are not like boils. They just look like bruising or dark spots. Thank You.
doctor
Answered by Dr. Kalpana Pathak (3 hours later)
Hi,
Thanks for writing back.
It seems that you might have developed intertriginous dermatitis in underarms and due to application of deodorant the area got irritated further.
Intertriginous dermatitis or intertrigo is characterised by a red macerated rash that might be itchy or might give a burning sensation and usually develops due to friction in sweat prone areas.
To treat the same
1)Wear loose cotton clothes
2)Keep the area well ventilated and dry. Air the area as much as possible.
3)Apply a steroid cream like fluticasone cream twice in a day
4)Also dust the area with absorbant antifungal powder
5)Stop using deodorants and fragrant soaps in the involved area.
6) if the lesions itch, take tablet cetirizine.
Follow these suggestions for a week and let me know.
Regards.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Kalpana Pathak (7 minutes later)
Hi Dr. Pathak,

Thank you so much for your help. I will try these suggestions and hope for the best.
I will contact you in a week if nothing changes.

Thanks,

XXXXXXX
doctor
Answered by Dr. Kalpana Pathak (32 minutes later)
Hi,
Wish you a speedy recovery.
Take care.
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
doctor
Answered by
Dr.
Dr. Kalpana Pathak

Dermatologist

Practicing since :2006

Answered : 2014 Questions

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Developed Bruise On Underarm. Tender To Touch. Developed Frozen Shoulder. Due To Deodorants?

Hi,
Thanks for writing to us.
Deodorants and antiperspirants contain plethora of chemicals and fragrances which can irritate underarm skin. However response to deodorant depends upon a person's sensitivity. So some people develop reactions to particular deodorant while some do not.
Deodorants can cause
1)Contact irritant dermatitis where one gets severely itchy red burning swollen rash that might be a bit tender.
This can be treated by stopping the use of deodorant, taking antiallergic like cetirizine and application of topical steroid.
2) deodorants and antiperspirants can block sweat ducts leading to eruption of furuncles or boils or sometimes can lead to abscess formation. The lesions are red inflammed warm to touch and tender. Sometimes a head forms in the centre due to pus formation.
Treatment requires topical and oral antibiotics.

Now to help you out specifically,
I would like to know since how long are you having these lesions
When did you switch to new deodorant
If the spots in your right under arm are more like boils.
Uploading the image of concerned area would be of immense help.

As far as underarm odour is concerned
Wearing loose cotton clothes
Keeping under arms dry and clean
Shaving the area frequently
And dusting it with antifungal powder would help in reducing the odour to large extent.
Hoping to hear from you soon. Take care.