A 9-month- old girl is brought by her grandmother to the clinic for routine examination. She told you that the girl is totally fine but she noticed yellow discoloration of her teeth. The physician asks if her mother took any medications during her pregnancy. She remembers that she was taking an antibiotic for bronchitis.
Which of these antibiotics is the most likely responsible for this condition?
A- Chloramphenicol
B- Cephalexin
C- Tetracycline
D- Ampicillin
E- Erythromycin
Answer
Tetracycline is the most likely antibiotic responsible for the yellow discoloration of teeth in infants when mothers take it during pregnancy. Tetracycline use is uncommon in the USA and is contraindicated in pregnancy and early childhood.
The correct answer is C