&lt;h3&gt;&lt;a href=&quot;../../../genital-rashes#red&quot;&gt;Red Patches&lt;/a&gt; &lt;span style=&quot;color: #00ccff;&quot;&gt;|&lt;/span&gt; &lt;a href=&quot;../../../genital-rashes#whitepatches&quot;&gt;White&amp;nbsp;Patches&lt;/a&gt; &lt;span style=&quot;color: #00ccff;&quot;&gt;|&lt;/span&gt; &lt;a href=&quot;../../../genital-rashes#lumpsnbumps&quot;&gt;Lumps &amp;amp; Bumps&lt;/a&gt;&lt;/h3&gt;
&lt;h1 class=&quot;ms-rteElement-H1&quot;&gt;Genital Rashes&lt;/h1&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Some of the most common causes of&amp;nbsp;&lt;strong&gt;genital rashes&lt;/strong&gt;&amp;nbsp;are infections: Jock itch, a fungal infection, or ringworm of the groin area. The&amp;nbsp;&lt;strong&gt;rash&lt;/strong&gt;&amp;nbsp;is red, itchy, and scaly, and it may blister. Diaper&amp;nbsp;&lt;strong&gt;rash&lt;/strong&gt;, a yeast infection that affects babies because of the warm, moist environment in diapers.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Please note that this article is only for your information and you should always see your doctor if you have developed any symptoms and are uncertain if you have an STI.&lt;/span&gt;&lt;/p&gt;
&lt;h3&gt;Genital Rashes&amp;nbsp;&amp;ndash; Non-STI Related&lt;/h3&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;The external genitalia are a common site for rashes, itching, and minor infections. The various possible causes can be discussed under the following categories:&lt;/span&gt; &lt;br /&gt;(1) Red (inflammatory patches) &lt;br /&gt;(2) White patches &lt;br /&gt;(3) Skin coloured lumps and bumps.&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;h3&gt;&lt;a id=&quot;red&quot;&gt;&lt;/a&gt;Red Patches&lt;/h3&gt;
&lt;p&gt;&lt;strong&gt;Endogenous eczema (&amp;lsquo;sensitive skin&amp;rsquo;)&lt;/strong&gt;&lt;br /&gt;&lt;img src=&quot;https://www.dsc-clinic.sg/Patient-Care/Prevention%20and%20Education/STI/PublishingImages/GenitalRashes_1.jpg&quot; alt=&quot;&quot; /&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Patients may already have a history of eczema or &amp;lsquo;sensitive skin&amp;rsquo;, or they could initially experience itch that may be caused by a yeast infection, heat, moisture, or any irritant.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Repeated scratching can cause breaks in the skin and secondary infection. Over the scrotum, the skin can become very thickened, and can sometimes resemble &amp;lsquo;elephant skin&amp;rsquo;. This is a process called &amp;lsquo;lichenification&amp;rsquo;.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Treatment consists of topical corticosteroids, antihistamines and avoidance of irritants. Secondary infection of excoriated skin may require a course of antibiotics.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Contact dermatitis&lt;/strong&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;This can occur as a result of irritation or from an allergic reaction to something applied.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;The most common irritants are soaps, topical medicaments, urine, faeces and infected or copious vaginal secretions. Irritant contact dermatitis of the genitalia presents with redness and itching.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Lichen planus&lt;/strong&gt;&lt;br /&gt;&lt;img src=&quot;https://www.dsc-clinic.sg/Patient-Care/Prevention%20and%20Education/STI/PublishingImages/GenitalRashes_2.jpg&quot; alt=&quot;&quot; /&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;This is a disease where the cause is unknown. It can affect the skin, mouth, nails and genitalia. It is usually itchy and causes pinkish or purplish small bumps to appear, sometimes with a lacy white streak on the surface. You should see your doctor if you suspect you have lichen planus. Topical corticosteroids are used for treatment.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Psoriasis&lt;/strong&gt;&lt;br /&gt;&lt;img src=&quot;https://www.dsc-clinic.sg/Patient-Care/Prevention%20and%20Education/STI/PublishingImages/GenitalRashes_3.jpg&quot; alt=&quot;&quot; /&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;There are usually manifestations of psoriasis elsewhere on the body. Psoriasis is a chronic skin disorder that also affects the scalp and nails. It causes pinkish spots or small patches to appear on the genitalia, and may be itchy and scaly.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Fungal infection&lt;/strong&gt;&lt;br /&gt;&lt;img src=&quot;https://www.dsc-clinic.sg/Patient-Care/Prevention%20and%20Education/STI/PublishingImages/GenitalRashes_4.jpg&quot; alt=&quot;&quot; /&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Tinea cruris (jock itch) is caused by a ringworm type of fungus. It affects the groins. Candida is a type of yeast infection that causes vaginal discharge and rash, and also balanitis &amp;ndash; an inflammation of the penis. If you have severe or recurrent candidal infections, you should see a doctor and&amp;nbsp;conduct investigations to exclude diabetes.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Plasma cell (Zoon&amp;rsquo;s) Mucositis&lt;/strong&gt;&lt;br /&gt;&lt;img src=&quot;https://www.dsc-clinic.sg/Patient-Care/Prevention%20and%20Education/STI/PublishingImages/GenitalRashes_5.jpg&quot; alt=&quot;&quot; /&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;This presents as a balanitis in males. It appears as a moist, shiny, erythematous, well-demarcated plaque on the glans penis. It is benign and can be treated with a topical corticosteroid. However, a biopsy is often required to differentiate it from erythroplasia of Queyrat, which is a type of cancer occurring on the penis. Nearly all cases occur in uncircumcised males.&amp;nbsp;Cause of this condition is unknown.&lt;/span&gt;&amp;nbsp;&lt;/p&gt;

&lt;h3&gt;&lt;a id=&quot;whitepatches&quot;&gt;&lt;/a&gt;White Patches&lt;/h3&gt;
&lt;p&gt;&lt;strong&gt;Lichen sclerosus et atrophicus&lt;/strong&gt;&lt;br /&gt;&lt;img src=&quot;https://www.dsc-clinic.sg/Patient-Care/Prevention%20and%20Education/STI/PublishingImages/GenitalRashes_6.jpg&quot; alt=&quot;&quot; /&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Lichen sclerosus et atrophicus (LSA) and its male counterpart, balanitis xerotica obliterans (BXO) presents as ivory or porcelain-white, smooth and atrophic areas on the genitalia.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;The cause is unknown, and it may be present for years before detection.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Treatment is difficult and usually includes the use of potent topical or intralesional corticosteroids, as well as topical testosterone propionate ointment. Circumcision may relieve symptoms in males.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Postinflammatory hypopigmentation&lt;/strong&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;This can follow any inflammatory disorder and does not require any specific treatment.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Vitiligo&lt;/strong&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;img src=&quot;https://www.dsc-clinic.sg/Patient-Care/Prevention%20and%20Education/STI/PublishingImages/GenitalRashes_7.jpg&quot; alt=&quot;&quot; /&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;These are sharply demarcated areas of depigmentation. Pigment is lacking in these areas.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;h3&gt;&lt;a id=&quot;lumpsnbumps&quot;&gt;&lt;/a&gt;Skin Coloured Bumps&lt;/h3&gt;
&lt;p&gt;&lt;strong&gt;Pearly penile papules&lt;/strong&gt;&lt;br /&gt;&lt;img src=&quot;https://www.dsc-clinic.sg/Patient-Care/Prevention%20and%20Education/STI/PublishingImages/GenitalRashes_8.jpg&quot; alt=&quot;&quot; /&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;These present as two or three rows of uniform, flesh-coloured papules running circumferentially around the corona. Onset is typically noted in the 20s and 30s. These things are not infectious and no treatment is required. They are often mistaken for warts.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Vestibular papillomatosis&lt;/strong&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;These are also normal anatomical variants that occur on the mucous membrane of the introitus and labia minora and are often mistaken for warts. They are usually uniformly and symmetrically distributed, and are asymptomatic and require no treatment.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Ectopic sebaceous glands (Fordyce spots)&lt;/strong&gt;&lt;br /&gt;&lt;img src=&quot;https://www.dsc-clinic.sg/Patient-Care/Prevention%20and%20Education/STI/PublishingImages/GenitalRashes_9.jpg&quot; alt=&quot;&quot; /&gt;&lt;br /&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;These are uniformly distributed, 1-2 mm flesh-coloured or yellowish papules that occur on the penile shaft as well as the labial surfaces. No treatment is required.&lt;/span&gt;&lt;/p&gt;

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