Groin Bumps: Causes and Treatment After Shaving - Dermatology

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Groin acne (?)?


Two days ago, I used a sensitive-type hair removal razor, excluding my armpits and bikini line.
Yesterday, I noticed pain in my right armpit, with some swelling that isn't very noticeable; it only hurts when I press on it.
This morning, I visited a dermatologist who suggested that it might be a bacterial infection caused by shaving.
The doctor prescribed amoxicillin and acetaminophen.
The pain has decreased, but tonight I discovered a bump in my groin area that looks like a pimple and hurts when pressed.
Will the medications I’m taking help with this bump? Are the symptoms on both sides related?

LING, 20~29 year old female. Ask Date: 2019/05/30

Dr. Wu Yuxin reply Dermatology


No lesions were observed, and it is not possible to determine the issue.
If you are very concerned, please seek medical attention promptly.

Reply Date: 2019/05/30

More Info


Understanding groin bumps, especially after shaving, can be quite concerning. It is not uncommon for individuals to experience skin irritation, bumps, or even infections following hair removal, particularly in sensitive areas like the armpits and groin. Let’s delve into the potential causes, treatment options, and how the medications you’ve been prescribed may help.


Causes of Groin Bumps After Shaving
1. Folliculitis: This is an inflammation of the hair follicles, often caused by bacteria, fungi, or irritation from shaving. When you shave, especially with a dull blade or without proper lubrication, you can irritate the skin and hair follicles, leading to bumps that may resemble acne.

2. Ingrown Hairs: After shaving, hair can sometimes grow back into the skin instead of outwards. This can cause painful bumps that may become inflamed or infected.

3. Bacterial Infection: As your dermatologist suggested, shaving can introduce bacteria into the skin, leading to infections. This is particularly true if the skin is broken or irritated.
4. Allergic Reaction: Sometimes, the products used during shaving (like creams or gels) can cause allergic reactions, resulting in bumps or rashes.


Treatment Options
The medications prescribed to you—Amoxicillin and Acetaminophen—are appropriate for your situation:
- Amoxicillin is an antibiotic that will help combat any bacterial infection that may have developed as a result of shaving. If the bump in your groin is indeed due to a bacterial infection, Amoxicillin should help reduce the infection and alleviate symptoms.

- Acetaminophen is a pain reliever that can help manage any discomfort associated with the bumps. It is effective for reducing pain and fever, making it a suitable choice for your symptoms.


Relationship Between Symptoms
The symptoms you are experiencing in both the armpit and groin areas may indeed be related. If the bumps in both areas are due to folliculitis or a bacterial infection, it is possible that the same underlying cause (such as improper shaving technique or bacteria introduced during shaving) is affecting both regions.

Additional Considerations
1. Hygiene: Ensure that you maintain good hygiene in the affected areas. Clean the skin gently with mild soap and water, and avoid tight clothing that may irritate the skin further.

2. Avoid Further Irritation: Refrain from shaving the affected areas until they have healed. If you must shave, consider using a new, sharp razor and a moisturizing shaving cream to minimize irritation.

3. Monitor Symptoms: Keep an eye on the bumps. If they worsen, become more painful, or if you develop fever or other systemic symptoms, it is important to follow up with your healthcare provider.

4. Topical Treatments: In some cases, topical antibiotics or anti-inflammatory creams may be recommended to help with localized infections or inflammation.

5. Consultation: If the bumps do not improve with the prescribed treatment or if you have concerns about the nature of the bumps, consider returning to your dermatologist for further evaluation.

In conclusion, the medications you are taking should help address the symptoms you are experiencing. It is essential to follow your doctor's instructions and monitor your condition closely. If you have any further questions or concerns, do not hesitate to reach out to your healthcare provider for personalized advice.

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