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Can taking testosterone cause groin odor and irritation?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I am a transgender man and have been on testosterone for about six months. Recently, I have noticed a strong odor from my groin, even through my pants. There is also occasional itching or a burning sensation around the edges of my groin, and I am unsure if it is chafing or related to the odor. I am wondering if this is a common effect of testosterone and whether it will resolve on its own. Please help.

Thank you.

Answered by Dr. Georges Hany Kozah

Education:

MD

Professional Bio:

Dr. Georges Hany Kozah is an experienced Lebanese Gynecologist with an MD from The Lebanese University Faculty of Medical Sciences (2016) and a Fellowship completed in 2022. Specializing in high-risk obstetrics, advanced ultrasound, oncology, colposcopy, and hysteroscopy, he combines expertise with a patient-centered approach. Passionate about women’s health, Dr. Kozah strives for excellence and optimal outcomes in collaborative, innovative care.

This doctor is not available for online consultations on the platform anymore.

Hi,

Welcome to icliniq.com.

I read your query and can understand your concern.

Your symptoms include increased groin odor, occasional itching or burning, and possible chafing. It could be due to a combination of testosterone effects, sweat, friction, and potential yeast or bacterial overgrowth. Let us break it down:

Possible causes are as follows:

Testosterone and increased sweat or odor: Testosterone increases the activity of sweat and oil glands, leading to stronger body odor, especially in areas with hair growth and moisture, like the groin. This is common in cis men as well since testosterone makes sweat thicker and more odorous due to changes in apocrine glands.

Chafing and irritation:

  1. Tight underwear or packing can cause heat and friction, leading to skin irritation. Signs of chafing include redness, peeling skin, or small raw patches.

  2. Yeast or bacterial overgrowth (jock itch or balanitis)

  3. A warm, moist environment can encourage yeast (fungal) infections or bacterial imbalances:

Jock itch (fungal infection): May cause redness, a rash, and a musty or sour smell.

Bacterial overgrowth: If irritation occurs in inner folds, it could be due to pH (potential of Hydrogen) changes caused by testosterone, similar to bacterial vaginosis.

Changes in discharge and pH (potential of hydrogen): Testosterone alters vaginal pH, sometimes leading to thicker discharge and increased susceptibility to infections. A fishy or unusually strong odor may indicate bacterial vaginosis (BV) or a mild infection.

What can you do?

  1. Improve hygiene: Wash daily with a gentle, unscented soap to avoid disrupting pH balance.

  2. Control moisture: Wear breathable underwear (cotton or moisture-wicking fabrics) and change out of sweaty clothes promptly.

  3. Soothe irritation: If the area looks red or flaky, apply anti-chafing powder or cream.

  4. Use an antifungal (if it is a jock itch): Over-the-counter clotrimazole or terbinafine cream can help.

  5. Seek medical advice if needed: If discharge or odor worsens, consult a doctor for testing, as treatment with antibiotics or antifungal medication may be necessary.

Will it go away on its own?

If the issue is only sweat and odor, your body may adjust over time, but maintaining good hygiene and moisture control will help. However, if symptoms persist—such as itching, burning, or a strong odor that does not improve—it is best to seek medical advice.

I hope this helps.

Please revert so I can assist you further.

Thank you.

Medically reviewed by iCliniq medical review team
Published At April 19, 2025
Reviewed At April 19, 2025

Education:

MD

Professional Bio:

Dr. Georges Hany Kozah is an experienced Lebanese Gynecologist with an MD from The Lebanese University Faculty of Medical Sciences (2016) and a Fellowship completed in 2022. Specializing in high-risk obstetrics, advanced ultrasound, oncology, colposcopy, and hysteroscopy, he combines expertise with a patient-centered approach. Passionate about women’s health, Dr. Kozah strives for excellence and optimal outcomes in collaborative, innovative care.

This doctor is not available for online consultations on the platform anymore.

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Companion

Testosterone Groin Odor and Irritation Companion

How it works

Starting testosterone can bring about changes in your body, including in the groin area. Here's what you need to know about potential causes of odor and irritation.

1

Sweat
Odor

2

Skin
Irritation

3

Fungal
Infection

4

Bacterial
Changes

5

Hygiene
Moisture

6

Seek
Advice

This information is based on general medical guidance. It is not a substitute for professional medical advice; consult a qualified clinician.

Always consult a doctor before taking medication; self-medication carries serious health risks. Take exact prescribed doses, and never start, change, or stop treatment without medical supervision.

Education:

MD

Professional Bio:

Dr. Georges Hany Kozah is an experienced Lebanese Gynecologist with an MD from The Lebanese University Faculty of Medical Sciences (2016) and a Fellowship completed in 2022. Specializing in high-risk obstetrics, advanced ultrasound, oncology, colposcopy, and hysteroscopy, he combines expertise with a patient-centered approach. Passionate about women’s health, Dr. Kozah strives for excellence and optimal outcomes in collaborative, innovative care.

This doctor is not available for online consultations on the platform anymore.

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