| 炎 | yán | flame; inflammation; -itis |
| 炎热 | yán rè | blistering hot; sizzling hot (weather) |
| 炎症 | yán zhèng | inflammation |
| 发炎 | fā yán | inflamed from infection or injury; inflammation |
| 肺炎 | fèi yán | pneumonia; inflammation of the lungs |
| 肠炎 | cháng yán | enteritis |
| 心肌炎 | xīn jī yán | myocarditis |
| 顾炎武 | Gù Yán wǔ | Gu Yanwu (1613-1682), late Ming and early Qing Confucian philosopher, linguist and historian, played a founding role in phonology of early Chinese, author of Rizhilu or Record of daily study 日知录 |
| 胃炎 | wèi yán | gastritis |
| 皮炎 | pí yán | dermatitis |
| 关节炎 | guān jié yán | arthritis |
| 肝炎 | gān yán | hepatitis |
| 肾炎 | shèn yán | kidney inflammation; nephritis |
| 丁型肝炎 | dīng xíng gān yán | hepatitis D |
| 丙型肝炎 | bǐng xíng gān yán | hepatitis C |
| 中耳炎 | zhōng ěr yán | inflammation of middle ear; otitis media |
| 乙型肝炎 | yǐ xíng gān yán | hepatitis B |
| 乙型脑炎 | yǐ xíng nǎo yán | meningitis B; epidemic encephalitis B; Japanese encephalitis |
| 乳腺炎 | rǔ xiàn yán | mastitis |
| 前列腺炎 | qián liè xiàn yán | prostatitis |
| 口腔炎 | kǒu qiāng yán | stomatitis; ulceration of oral cavity; inflammation of the mucous lining of the mouth |
| 司马炎 | Sī mǎ Yán | Sima Yan (236-290), founding emperor of Jin dynasty 晋 after the Three Kingdoms period, reigned 265-290 as Emperor Wu of Jin 晉武帝 |
| 咽炎 | yān yán | pharyngitis |
| 喉炎 | hóu yán | laryngitis |
| 大叶性肺炎 | dà yè xìng fèi yán | lobar pneumonia |
委内瑞拉马脑炎病 毒 | wěi nèi ruì lā mǎ nǎo yán bìng dú | Venezuelan equine encephalitis (VEE) virus |
巨细胞病毒视网膜 炎 | jù xì bāo bìng dú shì wǎng mó yán | Cytomegalovirus retinitis, a disease of the retina that can lead to blindness; CMV retinitis |
| 己型肝炎 | jǐ xíng gān yán | hepatitis F |
| 急性肠炎 | jí xìng cháng yán | acute enteritis |
| 急性阑尾炎 | jí xìng lán wěi yán | acute appendicitis (medicine) |
| 戊型肝炎 | wù xíng gān yán | hepatitis E |
| 扁桃腺炎 | biǎn táo xiàn yán | tonsillitis |
| 扁桃体炎 | biǎn táo tǐ yán | tonsillitis |
| 抗炎性 | kàng yán xìng | anti-inflammatory (medicine) |
| 支原体肺炎 | zhī yuán tǐ fèi yán | Mycoplasma pneumonia |
| 支气管炎 | zhī qì guǎn yán | bronchitis |
| 日本脑炎 | Rì běn nǎo yán | Japanese encephalitis |
| 东方马脑炎病毒 | dōng fāng mǎ nǎo yán bìng dú | eastern equine encephalitis (EEE) virus |
| 森林脑炎 | sēn lín nǎo yán | forest encephalitis |
| 气管炎 | qì guǎn yán | bacterial tracheitis (inflammation of the windpipe, often caused by Staphylococcus aureus); henpecked (a pun on 妻子管得严 used in comic theater) |
| 治疗炎症 | zhì liáo yán zhèng | anti-inflammatory (medicine) |
| 流行急性结膜炎 | liú xíng jí xìng jié mó yán | epidemic acute conjunctivitis |
| 消炎 | xiāo yán | to reduce fever; antipyretic; to decrease inflammation |
| 消炎片 | xiāo yán piàn | antipyretic tablet (to reduce fever), such as sulfanilamide |
| 消炎药 | xiāo yán yào | antibiotic medicine |
| 炎亚纶 | Yán Yà lún | Aaron Yan (1986-), Taiwanese singer |
| 炎夏 | yán xià | hot summer; scorching summer |
| 炎帝 | Yán dì | Flame Emperors (c. 2000 BC), legendary dynasty descended from Shennong 神农 Farmer God |
| 炎帝陵 | Yán dì líng | Fiery Emperor's tomb in Yanling county, Zhuzhou 株洲, Hunan |
| 炎性 | yán xìng | inflammatory (medicine) |