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Side effects reported during the course of the study
| Side effects | Week 4 | Week 8 | Week 12 | P | |||
|---|---|---|---|---|---|---|---|
| NAC | Placebo | NAC | Placebo | NAC | Placebo | ||
| Nausea | 6 | 0 | 4 | 1 | 6 | 0 | 0.596 |
| Diarrhea | 1 | 0 | 0 | 1 | 0 | 0 | 0.389 |
| Skin allergy | 1 | 0 | 1 | 0 | 1 | 0 | 1 |
| Respiratory allergy | 1 | 0 | 2 | 0 | 1 | 0 | 0.497 |
