The following drug can be given safely in pregnancy:
Warfarin: causes fetal warfarin syndrome which includes chondrodysplasia punctata,epiphyseal stippling,nasal hypoplasia,optic atrophy,microcephaly tetracycline:discoloration of deciduous teeth methotrexate:folate defeciency TEXTBOOK OF OBSTETRICS,SHEILA BALAKRISHNAN,Pg no:565,2nd edition
Propylthiouracil
Methotrexate
Warfarin
Tetracycline
Medical, surgical and gynaecological illness complicating pregnancy