Callus - ڪالسhttps://en.wikipedia.org/wiki/Callus
ڪالس (Callus) ٿلهي چمڙي جو هڪ علائقو آهي جيڪو بار بار رگڻ، دٻاء، يا ٻي جلن جي جواب جي طور تي ٺاهيندو آهي. Calluses عام طور تي نقصانڪار نه آهن ۽ ڦڦڙن کي روڪڻ ۾ مدد ڪن ٿا، انهي سان گڏ تحفظ فراهم ڪن ٿا. جڏهن ته، گهڻي ٺهڻ ڪڏهن ڪڏهن ٻين مسئلن کي جنم ڏئي سگهي ٿي، جهڙوڪ چمڙي جي زخم يا انفيڪشن.

علاج ― OTC دوائون
اهو ضروري آهي ته پڪ ڪرڻ لاء اهو هڪ وار نه آهي.
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  • Calluses کاٻي پير (plantar) ۽ ساڄي پير (lateral) تي موجود آهن.
  • Corns (calluses) ٻنهي پيرن تي هڪجهڙائي سان ٿئي ٿي، جتي دٻاءُ لڳايو وڃي ٿو يا جتي جوتا پيرن جي خلاف دٻجي. جيڪڏهن ساڳيو زخم ڪنهن دٻاءُ واري علائقي ۾ ٿئي ٿو، هڪ وارٽ کي شڪ ٿيڻ گهرجي.
References Corns 29262147 
NIH
Corns بار بار رگڻ يا دٻاء کان ترقي ڪريو. Corn ٿلهي چمڙي جو هڪ مخصوص علائقو آهي، جڏهن ته callus وڌيڪ پکڙيل آهي. Corns اڪثر ايٿليٽس يا ماڻهن ۾ پيرن جي مسئلن جهڙوڪ بوٽن مان اڻ برابر رگڙ سان ٿينديون آهن. اهي بزرگ، ذیابيطس، ۽ amputees ۾ پڻ عام آهن. Corns کي ڏسڻ گهرجي هڪ علامتي حالت جي بجاءِ.
A corn, also known as a calvus, heloma, or focal intractable plantar hyperkeratosis, is a type of callosity. Corns are uncomfortable, thickened skin lesions that result from repeated mechanical trauma due to friction or pressure forces. In the literature, confusing terminology is often used to call different types of hyperkeratotic skin lesions. Nevertheless, a corn should be distinguished from a callus, which is a more diffuse type of callosity. Thus, a corn is a well-delimited focal area of hyperkeratosis. This condition is often seen in athletes and patients exposed to unequal friction force from footwear or gait problems, including the elderly, patients with diabetes, and amputees. It should be regarded as a symptom rather than an effective disease.
 Clavus 31536205 
NIH
Corn ، جنهن کي ڪلواس پڻ سڏيو ويندو آهي، هڪ عام پيرن جي حالت آهي جيڪا ڪلينڪ ۾ ڏٺو ويندو آهي. اهو چمڙي جو هڪ ٿلهو علائقو آهي جيڪو رگڙ يا دٻاء جي ڪري، اڪثر دردناڪ آهي. اهو ضروري آهي ته ان کي calluses يا warts کان فرق ڪرڻ. Calluses هڪجهڙا آهن پر مرڪزي ڪور نه آهن ۽ گهٽ دردناڪ آهن. علاج جو مقصد علامتن کي رليف ڪرڻ ۽ مستقبل جي ڪنڊن کي روڪڻ آهي. هن دردناڪ حالت جو علاج ڪرڻ سان مريضن جي زندگين کي بهتر بڻائي سگهجي ٿو، خاص طور تي پراڻن يا فعال ماڻهن لاءِ.
A clavus or clavi (plural) is a frequently encountered condition in the out-patient clinic, known colloquially as a corn. It is one of the many hyperkeratotic lesions of the foot and therefore requires differentiation from other etiologies such as calluses or plantar warts. A clavus is a well-demarcated thickened area of the epidermis that has a central core. This skin lesion is most commonly found on the foot and is often painful. A clavus results from repeated friction, pressure, or trauma to a specific area of the foot. A callus is another hyperkeratotic skin lesion that is similar to a clavus. It is an area of thickened epidermis with less defined borders and is also the result of repeated mechanical stress. Additionally, calluses lack the painful central core seen with clavi. Calluses most commonly present on the hands and feet. The older and the physically active are most commonly affected by clavi. Treatment focuses on symptomatic relief and lifestyle modification to prevent future clavus formation. By treating this painful and sometimes life-altering skin lesion, physicians can have a profound impact on their patients’ lives.