Metronidazole 500 mg PO BID for 7 days OR
Metronidazole gel 0.75%, one full applicator (5 g) intravaginally, qd for 5 days OR
Clindamycin cream 2%, one full applicator (5 g) intravaginally qHS for 7 days
Tinidazole 2 g PO qd for 2 days OR
Tinidazole 1 g PO qd for 5 days OR
Clindamycin 300 mg PO BID for 7 days OR
Clindamycin ovules 100 mg intravaginally qHS for 3 days (do not use if patient has used latex condom in last 72 hrs)
Metronidazole 250mg PO q8h x 7 days
Metronidazole 2g PO x 1 dose is also acceptable
Multiple studies have not demonstrated teratogenicity from metronidazole use
Metronidazole 2 g PO x 1 OR
Tinidazole 2 g PO x 1
GU antibiotics
Sepsis antibiotics
OB/GYN antibiotics
Antibiotics 
Bone and joint antibiotics
Neuro antibiotics
ENT antibiotics
Skin and soft tissue antibiotics