Table 3.
Mild maternal adverse events associated with tocolytic treatment
| Mild adverse events | Tocolytic | No of fetuses | Causality |
|---|---|---|---|
| Hypotension | Nifedipine | 2 | Possible |
| Hypotension | Nifedipine | 1 | Probable |
| Hypotension | Nifedipine | 1 | Probable |
| Tachycardia | Nifedipine | 1 | Possible |
| Tachycardia | Atosiban then nifedipine* | 1 | Possible |
| Tachycardia | Ritodrine | 1 | Probable |
| Tachycardia | Fenoterol | 1 | Probable |
| Tachycardia | Nifedipine | 1 | Probable |
| Tachycardia | Fenoterol | 1 | Certain |
| Nausea | Atosiban | 1 | Possible |
| Headache | Atosiban then nifedipine* | 1 | Possible |
| Headache | Fenoterol | 1 | Probable |
| Headache | Atosiban, nifedipine, ritodrine, and minitran† | 1 | Probable |
| Headache | Nifedipine | 1 | Probable |
| Syncope | Nifedipine | 1 | Unlikely |
*Sequential courses: event occurred after administration of second tocolytic.
†Combined courses: event occurred after simultaneous administration of all indicated tocolytics.