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I have a small painful bump on my penis. What could it be?

I have small semi-hard bump on the underside of my penis high up near the opening. painful only to the touch and when i have an erection no itching or other symptoms appeared suddenly
Painful lumps on the penis can have multiple causes, some benign and others more severe, and I recommend that you see your doctor or a healthcare professional for evaluation of your symptoms and treatment if necessary. A painful lump is usually either a local swelling of tissue due to inflammation or it may represent a new abnormal growth. Certain sexually transmitted diseases can present as local irritations of the genitalia. Herpes often presents as a constellation of very painful blisters that become open wounds. In contrast genital warts may present as single or multiple nodules with cauliflower like appearance. Your doctor or healthcare professional can examine the lesion to assess whether it may be of STD etiology. Other causes of local swelling and pain can include insect bites or prior mechanical injury from shear or compression stress. Penis lumps can also be from different growths. These may include cysts or moles. In rare cases, cancer such as squamous cell can also present on the penis as a new growth. Finally, during erection, dilation of the superficial penis veins can also present as local areas of firmness that dissipate with resolution of the erection. In order to determine the cause of your symptoms, please see your doctor for further evaluation.
This answer is for general informational purposes only and is not a substitute for professional medical advice.
If you think you may have a medical emergency, call your doctor or (in the United States) 911 immediately. Always seek the advice of your doctor before starting or changing treatment. Medical professionals who provide responses to health-related questions are intended third party beneficiaries with certain rights under Zocdoc’s Terms of Service.

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