Table showing safety of drugs in pregnancy and lactation (Drugs starting with Z)
| Drug | Pregnancy category | Use during lactation |
| Zafirlukast | B | |
| Zalcitabine | C | |
| Zanamivir | B | Use with caution |
| Zidovudine | B | Unsafe |
| Zinc lozenges | Safe | |
| Zinc oxide | Safe | |
| Zinc pyrithione | Safe | |
| Zinc sulfate | Safe | |
| Zoledronic acid | B | Use with caution |
| Zolmitriptan | B | Use with caution |
| Zolpidem | B | Safe |
| Zopiclone | C | Safe |
