Why Is the Anus Always Itchy?
Sep 09, 2021
Source: Cainiu Health
Dr. Li Ruizhi
Introduction
1. Perianal eczema: Persistent itching around the anus may be caused by perianal eczema, which typically presents with symptoms such as perianal pruritus and skin rash.
2. Hemorrhoids: Due to limited physical activity and prolonged sitting, the incidence of hemorrhoids is high; this condition should therefore be considered as a possible cause.
3. Vaginitis: Vaginitis can be classified into bacterial, fungal (e.g., candidal), and trichomonal types, as well as those caused by viruses, mycoplasma, chlamydia, or Neisseria gonorrhoeae.
Persistent anal itching may be caused by perianal eczema; it could also stem from hemorrhoids or vaginitis, among other conditions. Poor perianal skin hygiene is often the primary contributing factor, and unhealthy dietary habits may further predispose individuals to hemorrhoids—thus leading to persistent anal itching. Therefore, it is advisable to first determine whether perianal eczema is present. If diagnosed with perianal eczema, topical medications may be used for treatment; however, maintaining dryness and cleanliness of the perianal skin is essential. So, why does persistent anal itching occur? The following section addresses this question.
Why Does Persistent Anal Itching Occur?
1. Perianal Eczema
Persistent anal itching may result from perianal eczema, which commonly manifests as pruritus and skin rashes around the anus. Identify and eliminate potential allergens—including substances encountered in daily life, such as cleaning agents or other chemicals. Maintain meticulous perianal hygiene, avoid scratching or rubbing the area, and refrain from washing with soap or using irritating medications for fumigation, sitz baths, or topical application, as these may exacerbate symptoms. A mild, non-irritating ointment (e.g., Wujigao) may be applied cautiously; however, if localized erythema or increased itching develops during treatment, discontinue use immediately and consult a healthcare provider.
2. Hemorrhoids
Hemorrhoids are highly prevalent among individuals who lead sedentary lifestyles or sit for prolonged periods. Persistent anal itching may therefore indicate hemorrhoidal disease; self-examination for hemorrhoids is recommended. Subsequent treatment should be guided by diagnostic findings—and always under medical supervision. Inappropriate or indiscriminate medication use may adversely affect fetal development, particularly during pregnancy. Crucially, constipation must be prevented at all costs; ensure regular, soft, and effortless bowel movements to prevent worsening of hemorrhoids. Additionally, establish consistent bowel habits and respond promptly to the urge to defecate.
3. Vaginitis
Vaginitis encompasses bacterial, fungal, trichomonal, viral, mycoplasmal, chlamydial, and gonococcal forms. Thus, identifying the causative pathogen is the critical first step in managing vaginitis, followed by targeted therapy. Concurrently, potential sources of infection must be identified and eliminated. We recommend seeking professional medical evaluation to determine the precise etiology and receive appropriate, individualized treatment. Furthermore, hormonal fluctuations during pregnancy may increase vaginal secretions, thereby irritating the perianal skin.
The above outlines the common causes of persistent anal itching. We hope this information proves helpful.
