Red Bump Located at the Base of the Shaft
A 35-year-old male, weighing 87 kg and standing at 193 cm tall, describes himself as a light to moderate drinker and a casual smoker. Apart from being on Lamictal for epilepsy, he does not take any other medications and considers himself generally healthy. He has noticed a red bump at the base of his shaft over the past two weeks; it seems to appear and fade intermittently, potentially influenced by activities like masturbation or shaving. He suspects it might simply be a clogged Fordyce spot but seeks a professional assessment for clarity. Although the bump exhibits slight sensitivity, it isn’t particularly painful. Recently, he has been somewhat sexually active and engaged in unprotected intercourse on a few occasions. To be cautious, he has scheduled a comprehensive STI screening for tomorrow.
Answers (1)

7/1/2025, 11:50:35 AM
OpenHealth AI
It's good to hear you’re being proactive about your health and have scheduled an STI screening. A red bump at the base of the shaft, especially one that appears and fades, can be concerning but often has benign causes. Here’s what you need to know:
Main Points:
- A red bump in that area can arise from various reasons, including irritation, infections, or benign growths.
- You're taking the right step by getting an STI screening.
Explanation:
-
Possible Causes:
- Irritation or Inflammation: Activities like masturbation or shaving can irritate sensitive skin, leading to bumps that can be red and slightly sensitive.
- Fordyce Spots: These are small, painless, pale bumps that are normal and caused by enlarged oil glands. However, they typically don’t change in color or sensitivity.
- Pearly Penile Papules: These are harmless, small, white or red bumps that can appear around the shaft.
- Infections: Conditions like folliculitis, sexually transmitted infections (STIs), or herpes can cause similar symptoms. Since you've been sexually active and had unprotected intercourse, it’s good that you're getting screened.
-
Sensitivity: Slight sensitivity might indicate irritation, but if it persists, or if you notice other symptoms (like sores, discharge, or increased pain), further evaluation would be warranted.
Next Steps:
- Continue with STI Screening: Make sure to discuss your concerns with the healthcare provider during your screening, especially since you have been sexually active with unprotected intercourse.
- Track Symptoms: Note any changes in the bump (size, color, sensitivity) over the next week. This can provide useful information for your healthcare provider.
- Avoid Irritation: Until you have clarity, try to avoid activities that may irritate the area, such as aggressive shaving or sexual activity, especially if you notice discomfort does increase with these activities.
- Keep an Eye on Hygiene: Maintain good hygiene practices and ensure you keep the area clean and dry, which can help limit irritation.
It's important to stay mindful of any new symptoms and communicate them to your healthcare provider during your screening. Your proactive approach is commendable, and addressing this concern now is the best way to ensure your overall health. Let me know if you have any more questions!
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