Penile Health: Causes of Changes in Erection Quality - Urology

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Penile issues


Doctor, I was fine on Saturday morning, but after a whole afternoon of studying, I noticed that my penis is shorter and harder.
It can still achieve an erection, but there is a difference compared to the morning.
The blood vessels during the erection appear thinner and less prominent.
After the erection, my penis shrinks, and the middle part feels hard, but it’s not a hard lump.
What could be the reason for this? Is it due to prolonged sitting? Thank you for your response, doctor.

En o, 10~19 year old female. Ask Date: 2023/04/16

Dr. Du Shixi reply Urology


Hello: Don't be too anxious.
Pay attention to your health, exercise, sleep, and diet.
Continue to seek care from the urology department at the hospital.
Wishing you good health.

Reply Date: 2023/04/16

More Info


Changes in erection quality can be concerning, especially when they occur suddenly or without an obvious cause. Based on your description, it seems that you are experiencing a difference in the firmness and appearance of your erections compared to what you typically experience. There are several factors that could contribute to these changes in penile health, and understanding them can help alleviate your concerns.

1. Physiological Factors: The quality of an erection is influenced by various physiological factors, including blood flow, hormonal levels, and nerve function. If you notice that your erections are not as firm or that the blood vessels appear less prominent, it could be due to temporary changes in blood flow. Factors such as dehydration, fatigue, or even dietary changes can affect blood circulation. For instance, if you have been sitting for long periods, this could potentially restrict blood flow temporarily.

2. Psychological Factors: Stress and anxiety can significantly impact sexual performance. If you have been feeling anxious or stressed, this could lead to changes in erection quality. The mind plays a crucial role in sexual arousal, and psychological factors can lead to physical changes in the body. It’s important to consider your mental state and how it may be affecting your sexual health.

3. Lifestyle Factors: Your lifestyle choices, including diet, exercise, and sleep patterns, can also affect erectile function. A sedentary lifestyle, poor diet, and lack of sleep can contribute to erectile dysfunction. If you have recently changed your routine, such as increased sitting time or changes in physical activity, this could be a contributing factor.

4. Medical Conditions: Certain medical conditions can affect erectile quality. Conditions such as diabetes, hypertension, and cardiovascular diseases can lead to reduced blood flow to the penis, resulting in weaker erections. If you have any underlying health issues or if you are on medication, it’s worth discussing these with your healthcare provider.

5. Age-Related Changes: As men age, it is common to experience changes in erectile function. This can be due to a natural decline in testosterone levels or changes in vascular health. However, at 21, significant age-related changes are less likely, but it is still important to be aware of your body’s signals.

6. Hydration and Nutrition: You mentioned that you have been sitting for long periods and possibly not drinking enough water. Dehydration can lead to reduced blood volume, which may affect the firmness of your erections. Ensuring adequate hydration and a balanced diet rich in fruits, vegetables, and healthy fats can improve overall vascular health.

In conclusion, while occasional changes in erection quality can be normal and often temporary, it is essential to monitor these changes. If you continue to experience concerns about your erections, or if you notice other symptoms such as pain, discomfort, or persistent changes, it would be advisable to consult a healthcare professional. They can provide a thorough evaluation and determine if any underlying conditions need to be addressed. Remember, maintaining a healthy lifestyle, managing stress, and staying hydrated can significantly contribute to better sexual health.

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