Charak Samhita
तथाऽन्याः पिडकाः सन्ति रक्तपीतासितारुणाः। पाण्डुराः पाण्डुवर्णाश्च भस्माभा मेचकप्रभाः ॥१०८॥
॥ Miscellanous pidika॥ There are some other types of papules or pustules (pidika) with the following characteristics: Colour: There may be some types of pidika having red, yellow, dark, dusky-red, grey, yellowish, white, ash-colour and blackish appearance. Texture: Some pustules are soft and others are hard
english translation
tathA'nyAH piDakAH santi raktapItAsitAruNAH। pANDurAH pANDuvarNAzca bhasmAbhA mecakaprabhAH ॥108॥
hk transliteration by Sanscript