What are the main factors that lead to discoloration of glans penis?

The color of glans penis is pink or dark red, and the purple color of glans penis indicates poor blood flow and congestion. Patients with too long foreskin will shrink back because of too narrow foreskin when stressed, and get stuck in the coronal groove of glans penis, which will hinder blood circulation, and the penis will turn purple and necrotic after a period of time. Patient: Xiao Zhang, I am 34 years old. Unconsciously, the glans penis changed color and became darker and darker. I'm surprised. Is this a disease? Experts from andrology hospital said: There are many factors leading to the discoloration of glans penis: 1. With the increase of age, the color of glans penis will change, which is normal and does not affect men's health. 2. The blackening of male glans penis may be caused by long-term erectile congestion. Long-term erection makes the glans in a state of congestion, which leads to the glans turning black. This kind of men need to arrange sex life fairly and moderately, so as not to cause other male diseases. 3. The foreskin balanitis may also lead to the blackening of male balanus, which is mainly caused by bacterial infection and long-term inflammatory stimulation. 4. The blackening of male glans penis may also be caused by drug treatment, which leads to the blackening of glans penis due to the long-term stimulation of drugs. Experts in andrology hospital remind patients to change. If you feel unwell, don't take the medicine without authorization. You should go to a regular specialized hospital for examination, and it is safest to use drugs under the guidance of a doctor after finding out the cause. Patient sex: Male Patient age: 24 All symptoms: the surface of glans penis is flushed, and the glans penis is very red after Bo. You can see a pimple, which is painless and has no adverse reactions. Time and cause of onset: at least half a year. Treatment: I thought it was an STD. I went to the dermatology department and the doctor said it was balanitis. I prescribed a bottle of lotion and a bottle of topical medicine (similar to dyclonine). Is oral anti-inflammatory drugs useful? Thank you. Help you think: treatment drug suggestion answer: hello, is the foreskin too long? Questioner's question 21-1910: 49:15 The foreskin is a little long. Now I'm asking how to cure it. The reply of the respondent who started every blog is 21-1911. After controlling the inflammation this time, it is recommended to have surgery in time to avoid similar situations this time. The article is supported by the hospital to browse what are the main factors that lead to the discoloration of glans penis (Editor: Cai Jun)