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Adverse Effects of Thionamides
| Adverse effects (%) | Methimazole (n = 110) | Propylthiouracil (n = 138) |
|---|---|---|
| Urticaria | 1.8 | 0.7 |
| Rash | 5.5 | 0.7 |
| Pruritus | 1.8 | 1.5 |
| Arthralgia | 0.9 | 0.7 |
| Gastric distress | 1.8 | 3.0 |
| Dysgeusia | 3.6 | 8.0 |
| Dizziness | 0.9 | 0 |
| Headache | 0.9 | 0 |
| Severe neutropenia | 0.9 | 0.7 |
| Transaminitis | 0 | 0.7 |
| Cholestasis | 0.9 | 0 |
