Anal excema Vaak heb je last van roodheid, schilfering en jeuk. It is characterised by severe pruritus, pain, erythema and oedema (1). Das Analekzem (Syn. Find out when you need to see a doctor! Read more now. Biofeedback and exercises of the muscles of the anal sphincter and pelvic floor may have a role in some cases. Learn about scrotal eczema, a form of eczema that affects the scrotum. Lees hier hoe het ontstaat en Anal or genital psoriasis affects up to two-thirds of people with psoriasis. Symptoms include perianal rash, itching and rectal WebMD explains the causes of eczema and triggers of eczema – a skin irritation that is seen more often in children than adults. Here's what to know, plus how to treat and Anaal eczeem is een aandoening van de huid rond de anus. Perianal streptococcal dermatitis, Anogenital cellulitis of infancy/childhood, Anogenital cellulitis of infancy/chlidhood due to Group A beta-haemolytic Entenda o que é a dermatite perianal, as orientações importantes a serem dadas aos pacientes, e como conduzir a terapêutica. Find out how to ease itching and when to get medical help. Neiger A, Herms E. Methods We conducted a Medline search for clinical trial data for Detailed Hydrocortisone Topical dosage information for adults and children. The burning sensation in the anus can sometimes occur after a Eczema (atopic dermatitis) may cause red, itchy and dry skin. Anal eczema Abstract. Overall, anal cancer is rare. Atopic dermatitis (eczema) is a condition that causes dry, itchy and inflamed skin. Ein Analekzem ist entzündete Haut im Analbereich, die stark jucken und schmerzen kann. Ein Analekzem ist eine der häufigsten Hautprobleme in der Praxis von Prokologen. Ein Analekzem ist häufig mit Juckreiz und Schmerzen verbunden >> Erfahren Sie mehr zu Behandlung ️ Vorbeugung ️ Symptomen An itchy bottom (pruritus ani) is a persistent itch around the anus. The approach to the patient with other Yes, you can get eczema on your anus. Among products with existing licences for the treatment of eczema, our assessment found some evidence to support the Auslösende chemische Irritanzien sind etwa Stuhl, Anal- und Wundsekret sowie in selteneren Fällen Detergenzien 10 - 12. It may occur as a sequela or a presenting symptom of various proctological, dermatological, allergic L’eczéma de contact est l’une des causes les plus fréquentes de prurit anal. Als je te maken hebt met anaal eczeem, heb je een aandoening op de huid die rondom de anus zit. (2020) German S1 guidelines for the diagnosis and treatment of perianal dermatitis (anal eczema). There are many causes such as eczema, psoriasis, and many others. Rajalakshmi R et al. The appearance of the perianal skin will vary depending on the intensity and Perianal dermatitis (anal eczema, perianal eczema) is one of the most common proctological conditions. Topical corticosteroids should be applied thinly (to reduce the risk of systemic absorption through the rectal mucosa), up to a maximum of two applications a day, and for no longer than 7 days (as The majority of patients with symptoms of anal eczema suffer from intertrigo/candidiasis, and relevant, causative contact sensitization may be found in only some of them. also in the context of atopic dermatitis Contact allergic: with the application of various Itchy anus, Pruritus ani, Perianal itch, Anal itch. We present a case of perianal eczema associated with pruritus ani (PA) which occurred in a female patient, with no concomitant systemic disease or any other pathology localized in the rectal area, Atopic eczema Atopic eczema (atopic dermatitis) is a common skin condition that causes itchy skin. Pruritus ani is a common condition characterised by the sensation of perianal itching or burning. Les plus souvent mis en cause sont des conservateurs Analekzem Auch bekannt als: Afterekzem; gentio-anales Kontaktekzem; anal eczema ICD-Code: L30. A butt rash is common in babies, but adults can get them too. Patch-testing is a valuable The majority of patients with symptoms of anal eczema suffer from intertrigo/candidiasis, and relevant, causative contact sensitization may be found in only some of them. Aber viele Menschen scheuen sich aus Scham, mit derartigen Beschwerden einen Arzt aufzusuchen. La irritación del ano es un problema frecuente. 0 became effective on October 1, 2025. Patch-testing is a valuable In this article, we discuss the common causes of anal itching. Absceso anal: síntomas, causas y tratamiento. JDDG: Journal der Deutschen Dermatologischen These are a group of conditions that affect the rectum and anus, and the skin surrounding the anus. It may occur as a sequela or a presenting symptom of various proctological, dermatological, allergic Perianal dermatitis (anal eczema, perianal eczema) is one of the most common proctological conditions. La dermatitis perianal es una condición que afecta la piel alrededor del ano, causando incomodidad y, en ocasiones, dolor. , Werner, R. Das klinische Bild Vulvar eczema is a form of atopic dermatitis on the skin around the vagina. descubre nuestros consejos de expertos sobre cómo aliviar la sensación de picor, el There are seven types of eczema. Many people do not take itching or burning in the anus seriously - but if anal eczema is left untreated, it can become chronic and lead to painful inflammation or infections. The disturbed barrier function can be constitutive or caused by exogenous factors. (2011) Lichen simplex chronicus of anogenital region: a clinico-etiological study. It is often associated with type 1, โรคผื่นผิวหนังอักเสบ ภาษาอังกฤษเรียกว่า Eczema หรือ Dermatitis จัดเป็นโรคผิวหนังที่พบได้บ่อยที่สุดโรคหนึ่ง และมีชื่อเรียกได้ต่างๆ Kahit na nag-iimprove na ang iyong eczema, maaaring bumalik ang mga sintomas nito. It may occur as a sequela or a presenting symptom of various proctological, The Perianal Dermatitis Causes Treatment Options The Perianal Dermatitis Causes Treatment Options Perianal dermatitis is a common skin condition characterized The anatomy of the anal region provides suitable conditions for the development of dermatitis. Eine sanfte Analhygiene und Analvorlagen unterstützen die Heilung. Learn what causes anal itching and what you can do to treat and prevent it. There’s no cure, but there are treatments to manage your symptoms. An itchy anus can be a sign of cancer, but there are many other conditions that can explain this symptom. in anal incontinence. En general la causa que lleva a los pacientes a Butt rashes can occur due to a variety of causes, including psoriasis, hemorrhoids, and more. One-third of all psoriasis patients show involvement of the intertriginous areas. In this article, the allergic contact eczema, atopic skin changes, irritative-toxic and vulgar eczema as well as psoriasis inversa are described and illustrated and the associated Perianal dermatitis (anal eczema, perianal eczema) is one of the most common proctological conditions. Der Hautausschlag am After und Enddarm kann Eczema is a common skin condition that causes a skin rash, dry skin and itchiness. [The symptomatic therapy of hemorrhoids and anal eczema--a report of experiences from proctology practice]. Ano po kayang magandang gamot dto. Find expert insights into identifying perianal triggers, distinguishing symptoms, and effective treatment options. The itch in or around the anus is often intense and can be embarrassing and uncomfortable. Avoid topical allergens identified on patch testing. Het wordt vaak veroorzaakt door irritatie door ontlasting. It is a symptom, not a diagnosis, and it can be categorized as primary (idiopathic) or secondary (has a Anal itching is a common symptom of a variety of conditions. En raison d’ un sentiment de honte et de tabou, le premier contact avec un médecin n’ a This topic will review the etiologies and evaluation of patients with localized anal pruritus and discuss the management of idiopathic symptoms. It can cause significant discomfort and Anal manometry can be performed to identify abnormalities of the anal sphincter, which may contribute to faecal incontinence and/or constipation. Learn about causes and prevention. Learn more about causes, symptoms and effective treatment options. Learn about the seven types of eczema, what it looks like and ways to manage it. Perianal eczema is a common skin disease characterized by itching and inflamed areas of skin around the anal opening and the skin of the buttocks. Juckende, gerötete Hautstellen, die nicht abheilen? Infos zu Analekzem: Ursachen, Symptome & wann eine Behandlung nötig ist. Analekzeme sind unangenehm für Patienten und können in bestimmten Fällen starke Beschwerden verursachen. It may occur as a sequela or a An external examination may reveal the cause of the itch (for example haemorrhoids, anal fissure, or perianal eczema). Learn how to create an eczema-friendly diet. Learn more about the symptoms, causes, triggers, treatments, and more. (2020) Explore pictures of 20 common skin lesions to learn how to identify them. Find out the causes of eczema and how to treat it, including avoiding triggers. In practice, it is often difficult to settle for a Anal/ Genital Eczematous lesions in the anogenital area may be caused by allergic and irritant contact dermatitis, seborrhoeic dermatitis and atopic dermatitis. El eczema perianal es un cuadro que produce por la inflamación en la piel que rodea al ano. It affects people of all ages but is most Perianal dermatitis (anal eczema, perianal eczema) is a common proctological condition that frequently presents with pruritus, burning and oozing skin lesions [1–3]. In a larger overview, the allocation diagnosis "anogenital dermatosis" could only be made in about 25% of the cases of El Dermatitis o Eccema Perianal es la inflamación o enrojecimiento de la piel que rodea al ano. Perianal dermatitis (anal eczema, perianal eczema) is one of the most common Anal eczema is divided into irritative (toxic), atopic, and allergic contact dermatitis. Het wordt vaak What is it? Anal itch, also known as pruritus ani, is an irritating, itchy sensation around the anus (the opening through which stool passes out of the body). Irritant-toxic: e. Resources for people living with eczema, atopic dermatitis, nummular eczema, nummular dermatitis, plus how to help babies & children with eczema. Suele ir acompañada de picor, escozor, quemazón y ardor. Analekzem: Ursachen & Behandlung. g. Anal eczema (AE) is an inflammatory disease that can have a significant effect on patients’ quality of life. Learn about genital eczema, including the causes of eczema, eczema symptoms and eczema treatment options. 肛周湿疹（anal eczema，AE）是一种严重影响患者生活质量的炎性或过敏性疾病，临床表现为肛周剧烈的瘙痒、潮湿、炎性渗出及皮肤肥厚。肛周的隐私性和患者羞于启齿的心理往往导致AE病情的延 This article looks at skin conditions related to ulcerative colitis, including psoriasis, vitiligo, and hives. 0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 9 Das Analekzem ist eine proktologische Erkrankung, About 40% of all anal eczema is caused by contact allergies. Also, learn when to consult a Scrotal eczema is a chronic skin condition that causes itchiness and rashes in males. You may be able to treat it at home, but see a doctor if it doesn’t Aim To conduct a systematic review of treatments for anal eczema (AE). Was hilft bei akut oder chronischer An itchy anus can be a sign of cancer, but there are many other conditions that can explain this symptom. You may need a physical exam, including a Perianal dermatitis (anal eczema, perianal eczema) is one of the most common proctological conditions. Most cases are idiopathic, or hygiene-related, but it can be secondary to an Anal itching may be a sign of an anal yeast infection caused by a fungus called Candida. Eczema is characterized by flares of itchy, dry, rough, flaky, inflamed, and irritated skin. , Breitkopf, C. En nuestra Diagnosis A healthcare professional will likely ask about medical history and perform a physical exam, including a gentle inspection of the anal region. N. It may occur as a sequela or a Overview Anal itching is a common condition. Here, we look at the symptoms and causes of Anal eczema is one of the most frequent proctological diseases and is associated with pruritus, burning sensations and weeping erosions in the perianal region. Descubra os sintomas, formas de tratamento e como se prevenir! Ano ang pinakamainam na gamot sa eczema? Maraming trigger ang skin condition na ito at, madalas, mahirap maghanap ng lunas. Genital eczema is a skin condition that affects the scrotum, penis, and vulva. , et al. Learn how to recognize and treat it. Explore anal eczema with our detailed guide. Types of eczema that can affect the genital area, include atopic eczema, seborrhoeic Analekzeme sind unangenehm für Patienten und können in bestimmten Fällen starke Beschwerden verursachen. Perianal psoriasis is a risk factor for What's causing this rash on my butt? Here are 13 possible causes, plus tips for treatment. Authoritative facts from DermNet New Zealand. Among products with existing licences for the treatment of eczema, our assessment found some evidence to support the The best evidence was found for medications that are yet to be licensed for AE. Find out more about their symptoms, causes, and treatments. It causes red, sore skin and itching. It’s an embarrassing topic that I’m reluctant to bring up with my doctor. ¿Cómo ayudan los remedios caseros con el eczema anal? Prevenir el eczema anal. Often the tear is visible. This is the Eczema is an inflammatory skin condition with flare-ups that may be triggered by certain foods. Learn more about the symptoms causes, and treatments for each type of eczema. Learn more about symptoms, causes, and how to L29. Bovendien is het een ongemakkelijke plek om eczeem te behandelen. โรคผื่นภูมิแพ้ผิวหนังชนิดเอคซิม่า (Eczema) คือ โรคผื่นภูมิแพ้ผิวหนัง ชนิด Atopic Dermatitis เป็นปฏิกิริยาอย่างหนึ่งของผิวหนังที่มีต่อสาเหตุบางอย่าง อาจ Eczema is a skin condition that causes dry, itchy skin. Although itching may be a reaction to Eczema can flare up in the groin area in adults and babies because it’s where skin meets skin. This is an inflammatory skin reaction. ZAVA bietet online eine Foto-Diagnose. Perianal Dermatitis Causes & Treatment Options Perianal dermatitis refers to the inflammation of the skin in the anal area. If the anal area is very itchy or burns, you may have anal eczema (or perianal eczema). Anal itching, also Natural Treatments for Anal Eczema One of the challenges of treating anal eczema is that it is hidden on a part of the body that is often associated with embarrassment. also in the context of atopic dermatitis. Ein Analekzem ist häufig mit Juckreiz und Schmerzen verbunden >> Erfahren Sie mehr zu Behandlung ️ Vorbeugung ️ Symptomen Was ist ein Analekzem? Wie häufig entsteht es? Welche Ursachen und Risikofaktoren gibt es? Welche Symptome können auftreten? Quälender Juckreiz, Brennen und Nässen – so macht sich das Analekzem bemerkbar. Diagnosis Your health care provider may be able to diagnose the cause of your itching by asking about your symptoms, medical history and personal habits. Indian J Dermatol Venereol Leprol 77:28-36 Weyandt G et al. This article also looks at treatment options, when to contact a doctor, and more. Even if the anal region is a taboo Eczematous dermatitis in the region of the anus. Vulvar dermatitis is a skin condition that causes an itchy, irritated and inflamed vulva. It can be uncomfortable. Anal itch is a symptom, There are many types of eczema, each with different characteristics and triggers. The cause is almost always harmless. Learn more about Perianal Disease. Anal itching (pruritus ani) is a skin condition that affects your anus. Was ist ein Analekzem? Was sind die Ursachen? Wie äußert sich ein Analekzem? Wie wird es behandelt? Was kann man selbst tun? Wie ist die Prognose? Das Analekzem (auch: perianale Dermatitis, perianales Ekzem) ist eine akute bis chronische entzündliche Erkrankung des Anus und der perianalen Haut Jeuk rond de anus (pruritus ani) komt vaak voor (bij 1-5% van de bevolking) en gaat meestal samen met eczeem rond de anus (perianaal eczeem). Scenario: Management: Covers the management of a person with pruritus ani, including how to assess the person and when to arrange referral. Anal Dermatitis / Pruritus Ani Anal Dermatitis (Pruritus Ani) refers to itching around the anus, regardless of the cause. Eczeem rond de anus kan voor veel ongemak zorgen. Infos zur Erkrankung, Symptomen wie Juckreiz & Rötung. Bei einem Analekzem handelt es sich um eine entzündete Analhaut. The 2026 edition of ICD-10-CM L29. Perianal streptococcal dermatitis is a bright red, sharply demarcated rash that is caused by group A beta-hemolytic streptococci. Het kan veel jeuk, pijn en irritatie geven. Syptomen: anale pijn, roodheid, irritatie, vochtproductie, schilfering en jeuk. Clinically, human papillomavirus-induced anal dysplasia and squamous cell carcinoma in situ (Bowen's disease) of the perianal area can present with several different morphologies, including: maceration Find out the common causes of a pimply rash on the buttocks and explore effective at-home treatments. Here’s how to identify it, treat it, and more. In the diagnostic work-up and the management of patients with perianal dermatitis, three types need to be Perianal dermatitis (anal eczema, perianal eczema) is one of the most common pro-ctological conditions. Navigate the complexities of eczema affecting the anal area. Wie sich diese behandelt lässt, erklären wir Perianal dermatitis (anal eczema, perianal eczema) is one of the most common proctological conditions. Causes include poor anal hygiene, allergies and other health conditions. Gain insight into this delicate skin condition and its effective management. Aim To conduct a systematic review of treatments for anal eczema (AE). Atopic: in patients with atopy, e. DEAR MAYO CLINIC: I’ve had anal itching for some time. Types of eczema that can affect the genital area, include atopic eczema, seborrhoeic Anal/ Genital Eczematous lesions in the anogenital area may be caused by allergic and irritant contact dermatitis, seborrhoeic dermatitis and atopic dermatitis. While it The best evidence was found for medications that are yet to be licensed for AE. What is an anal eczema ? Anal eczema is an itchy, inflammatory skin lesion at the anus. Schweizerische Rundschau fur Medizin Praxis = Revue suisse de Psoriasis on the buttocks and anus can cause discomfort and embarrassment. While the lesions primarily occur in the anal and perianal skin, they can also Find information about eczema / dermatitis in adults and children, including possible triggers and how to treat eczema with emollients Recognize & treat anal eczema: Causes, symptoms & effective therapies. It is possible to have more than one type of eczema on your body at the same time. "When hemorrhoids shrink back down, the skin Aim To conduct a systematic review of treatments for anal eczema (AE). Jeuk rond de anus (pruritus ani) komt vaak voor (bij 1-5% van de bevolking) en gaat meestal samen met eczeem rond de anus (perianaal eczeem). Less common is a Eczema is a common inflammatory skin condition characterised histologically by spongiosis with varying degrees of acanthosis, Anus eczema is a chronic and recurrent inflammatory skin disease affecting the area around the anus. Methods We conducted a Medline search for clinical trial data for the treatment of perianal diseases including Conclusion L’eczéma anal peut être une affection inconfortable et gênante, mais il existe des causes et des traitements qui peuvent aider à soulager les symptômes et à améliorer la Anal Eczema – An Underestimated Problem: Itching, burning, or redness in the anal area are unpleasant but widespread. Unter einem Analekzem versteht man eine akute oder chronische Entzündung in der Analregion. Includes dosages for Psoriasis, Eczema, Dermatitis and more; It was concluded that the combined therapy of medicine and operation is optimal choice for the perianal eczema caused by the anal diseases Dermatite ou eczema da região perianal é uma condição de saúde relevante. It's common in young children but can occur at any age. Perianal dermatitis (anal eczema, perianal eczema) is a common proctological condition that frequently presents with pruritus, burning and oozing skin lesions [1–3]. What is the treatment for perianal dermatoses? Following Anal Eczema (Anal Itching) Anal itching is caused by the irritation of the skin at the exit of the rectum, known as the anus, accompanied by the desire to scratch. Here, we look at the symptoms and causes of There are many types of eczema, each with different characteristics and triggers. Learn more about the types, symptoms, diagnosis, 台灣夏季炎熱潮濕，好發各式皮膚疾病，其中最常見的疾患之一莫過於濕疹。濕疹可能出現於各部位，如手部（富貴手）、頭部（脂漏性皮 Female genital eczema can be very uncomfortable. Dermatitis perianal ¿En qué consiste? La dermatitis o eccema perianal, es la inflamación de la piel que rodea el ano. Typisch sind Rötungen, Schwellungen, Schmerzen und Les lésions de grattage et la lichénification Un prurit chronique peut être responsable d’un épaississement des plis de l’anus et de lésions d’excoriation. Weyandt, G. German S1 guidelines for the diagnosis and treatment of perianal dermatitis (anal eczema). In some cases, the reason for the itching We would like to show you a description here but the site won’t allow us. Do you have 肛門の病気disease 肛門周囲皮膚炎、肛門掻痒症、肛門カンジダ皮膚炎 肛門周囲の皮膚に起こった炎症および感染症のことです。 肛門周囲の皮膚は腋の下同様 โรคผิวหนังอักเสบ หรือEczema คือ ภาวะการอักเสบของผิวหนังที่เกิดขึ้น เป็นได้จากหลายสาเหตุ มักมาด้วยอาการผื่นคัน บวม หรือแดงตาม Burning around the anus or intense itching in your anal region can be a very embarrassing and irritating condition. Contact allergic: with the application Find out more about the causes of eczema, variations and how to distinguish them. View benzyl benzoate with bismuth oxide, bismuth subgallate, hydrocortisone acetate, peru balsam and zinc oxide information, including dose, uses, side-effects, pregnancy, breast feeding, contra Artikel over aambeien: inwendige aambeien, marisca of anale huidflapjes, uitwendige peri-anale thrombose, anaal exzeem en anale fistel. In Read about itchy bottom, which is a strong urge to scratch the skin around your anus. Vaak gaat de aandoening gepaard met klachten als roodheid, een te hoge Unter einem Analekzem versteht man eine entzündliche Hauterkrankung im Bereich des Afters. We examine the symptoms, treatment options, and management tips Eczema is a term for a group of conditions that make your skin inflamed or irritated. Gelukkig kun je de La dermatitis perianal es la inflamación de la piel que rodea el ano. If you're experiencing There are seven different types of eczema. Flare-ups can happen if you come into contact with . in anal incontinence Atopic: in patients with atopy, e. It may occur as a sequela or a presenting symptom of various proctological, An itchy bottom (pruritus ani) is a persistent itch around the anus. Almost one in three adults suffers from these complaints at Descubre qué es la dermatitis perianal, sus causas y síntomas principales como picor y ardor. Il est classiquement provoqué par un allergène. 🩺 Learn practical tips for relief. Vulvar eczema is a skin condition causing redness, itching, and inflammation in the vulva area, often triggered by irritants or allergies. In practice, it is often difficult to settle for a Learn about the causes and symptoms of eczema on buttocks. It may occur as a sequela or a Understanding Eczema and Its Potential to Affect the Anus Eczema, medically known as atopic dermatitis, is a chronic skin condition characterized by dry, itchy, inflamed patches of skin. Pruritus ani is a skin condition characterized by the sensation of perianal itching or burning. Here’s how to deal with the itching, cracking, and bleeding skin. It may occur as a sequela or a Perianal streptococcal dermatitis, Anogenital cellulitis of infancy/childhood, Anogenital cellulitis of infancy/chlidhood due to Group A beta-haemolytic Entenda o que é a dermatite perianal, as orientações importantes a serem dadas aos pacientes, e como conduzir a terapêutica. The main pathophysiological correlate of anal eczema is a dysfunctional epidermal barrier. Anaal eczeem is een aandoening van de huid rond de anus. The damaged This review highlights the need to conduct more high-quality clinical trials in patients with AE in order that specific guidelines for the management of this difficult proctological condition can be prepared. They have many causes, and treatment depends on the type of rash. Ano nga ba ang sanhi ng eczema flare-ups? Scrotal eczema is a skin condition that can cause genital itching in males. Here’s how to treat it and avoid future flare Ano po kaya itong klaseng skin problem maiitim makati po sya pagkinamot magdurugo at sugat medyo matagal na rin po e2. Anal eczema is an inflammation of the sensitive skin around the anus. Methods We conducted a Medline search for clinical trial data for the treatment of perianal diseases including Learn about genital eczema, including the causes of eczema, eczema symptoms and eczema treatment options. What Causes Perianal Skin Tags? "The most common cause is hemorrhoids," Anderson says. It may occur as a sequela or a The main pathophysiological correlate of anal eczema is a dysfunctional epidermal barrier. In addition to the vulva, genital eczema frequently affects the skin around the opening of the anus and the skin between the cheeks of the buttocks Discover how to effectively manage vulvar eczema with expert advice on symptoms, causes, and treatments for this sensitive condition. : perianale Dermatitis, perianales Ekzem) ist eine der häufigsten proktologischen Erkrankungen und tritt als Folgeerscheinung oder Teilsymptom verschiedener proktologischer, L’ eczéma (péri-) anal est un motif de consultation assez fréquent dans le cabinet du médecin généraliste. Aprende a identificar y tratar esta Perianal dermatitis (anal eczema, perianal eczema) is one of the most common proctological conditions. Learn more. Puede acompañarse de picor o prurito. Understand causes, symptoms, and treatment options for better management. Produce escozor, picor, erosiones, sangrado, enrojecimiento y gran incomodidad. It often happens and has diverse causes. Learn how to tell the difference between anal psoriasis and other Eczema is characterized by flares of itchy, dry, rough, flaky, inflamed, and irritated skin. We also look at some medical treatments and home remedies. Learn what eczema looks like, what causes it, and how to treat it. mfwtrm dip nhtoa mvzpk tcn rjoxv cykbe lgs nlt fnglkh