&lt;h2 id=&quot;2-4&quot;&gt;Penis Conditions&lt;/h2&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/erectile-dysfunction/default.htm&quot; data-metrics-link=&quot;&quot;&gt;Erectile dysfunction&lt;/a&gt;: A man&#39;s penis does not achieve sufficient hardness for satisfying intercourse. Atherosclerosis (damage to the arteries) is the most common cause of erectile dysfunction.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/erectile-dysfunction/erectile-dysfunction-priapism&quot; data-metrics-link=&quot;&quot;&gt;Priapism&lt;/a&gt;: An abnormal erection that does not go away after several hours even though stimulation has stopped. Serious problems can result from this painful condition.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://children.webmd.com/tc/hypospadias-topic-overview&quot; data-metrics-link=&quot;&quot;&gt;Hypospadias&lt;/a&gt;: A birth defect in which the opening for urine is on the front (or underside), rather than the tip of the penis. Surgery can correct this condition.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/sexual-conditions/guide/sexual-health-male-reproductive-problems-penis-disorders?page=3&quot; data-metrics-link=&quot;&quot;&gt;Phimosis&lt;/a&gt;&amp;nbsp;(paraphimosis): The foreskin cannot be retracted or if retracted cannot be returned to its normal position over the penis head. In adult men, this can occur after penis infections.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/sexual-conditions/guide/sexual-health-male-reproductive-problems-penis-disorders?page=2&quot; data-metrics-link=&quot;&quot;&gt;Balanitis&lt;/a&gt;: Inflammation of the glans penis, usually due to infection. Pain, tenderness, and redness of the penis head are symptoms.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/sexual-conditions/guide/sexual-health-male-reproductive-problems-penis-disorders?page=2&quot; data-metrics-link=&quot;&quot;&gt;Balanoposthitis&lt;/a&gt;: Balanitis that also involves the foreskin (in an uncircumcised man).&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://men.webmd.com/guide/chordee-repair-treatment&quot; data-metrics-link=&quot;&quot;&gt;Chordee&lt;/a&gt;: An abnormal curvature of the end of the penis, present from birth. Severe cases may require surgical correction.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/sexual-conditions/guide/sexual-health-male-reproductive-problems-penis-disorders&quot; data-metrics-link=&quot;&quot;&gt;Peyronie&amp;rsquo;s Disease&lt;/a&gt;: An abnormal curvature of the shaft of the penis may be caused by injury of the adult penis or other medical conditions.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/a-to-z-guides/urethritis-symptoms-causes-treatments&quot; data-metrics-link=&quot;&quot;&gt;Urethritis&lt;/a&gt;: Inflammation or infection of the urethra, often causing pain with urination and penis discharge. Gonorrhea and chlamydia are common causes.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/sexual-conditions/gonorrhea&quot; data-metrics-link=&quot;&quot;&gt;Gonorrhea&lt;/a&gt;: The bacteria N. gonorrhea infects the penis during sex, causing urethritis. Most cases of gonorrhea in men cause symptoms of painful urination or discharge.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/sexual-conditions/chlamydia&quot; data-metrics-link=&quot;&quot;&gt;Chlamydia&lt;/a&gt;: A bacteria that can infect the penis through sex, causing urethritis. Up to 40% of chlamydia cases in men cause no symptoms.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/sexual-conditions/syphilis&quot; data-metrics-link=&quot;&quot;&gt;Syphilis&lt;/a&gt;: A bacteria transmitted during sex. The initial symptom of syphilis is usually a painless ulcer (chancre) on the penis.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/genital-herpes/default.htm&quot; data-metrics-link=&quot;&quot;&gt;Herpes&lt;/a&gt;: The viruses HSV-1 and HSV-2 can cause small blisters and ulcers on the penis that reoccur over time.&lt;/li&gt;
&lt;li&gt;Micropenis: An abnormally small penis, present from birth. A hormone imbalance is involved in many cases of micropenis.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/sexual-conditions/hpv-genital-warts/hpv-virus-men&quot; data-metrics-link=&quot;&quot;&gt;Penis warts&lt;/a&gt;: The human papillomavirus (HPV) can cause warts on the penis. HPV warts are highly contagious and spread during sexual contact.&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;https://www.webmd.com/cancer/tc/penile-cancer-treatment-health-professional-information-nci-pdq-general-information&quot; data-metrics-link=&quot;&quot;&gt;Cancer of the penis&lt;/a&gt;: Penis cancer is very rare in the U.S. Circumcision decreases the risk of penis cancer.&lt;/li&gt;
&lt;/ul&gt;

Penis 101 - Penile Health