Table 3.
Adverse drug reactions on pirfenidone treatment (n = 115)
| Adverse drug reaction | Number (percentage) |
| Any adverse drug reaction | 96 (83.5) |
| Anorexia | 48 (41.7) |
| Dyspepsia | 34 (29.6) |
| Nausea | 22 (19.1) |
| Uneasiness | 20 (17.4) |
| Rash | 20 (17.4) |
| Weight loss | 17 (14.8) |
| Itching | 16 (13.9) |
| Insomnia | 16 (13.9) |
| Giddiness | 13 (11.3) |
| Flushing | 9 (7.8) |
| Raised liver transaminases | 8 (7.0) |
| Vomiting | 8 (7.0) |
| Dry mouth | 7 (6.1) |
| Others* | 25 (21.7) |
*Other adverse drug reactions each with a frequency of < 5% included abdominal pain, chest congestion, constipation, diarrhea, drowsiness, fatigue, forgetfulness, headache, hoarseness of voice, increased cough, irritability, mucositis, nasopharyngitis, numbness, paraesthesia, slurred speech, somnolence, and vertigo.