Oxytetracycline dehydrate is a kind of antibiotics, just like Tetracycline. It can across the barrier of placenta into the fetus, and deposit in the teeth and bones. It could cause colour of teeth changed. Oxytetracycline dehydrate also can restrain the bad tooth enamel from regenerate and restrain fetal bone from grow. This drugs can make teratogenic effect. pregnant women should not use this product.

Oxytetracycline dehydrate could exist in excretive milk. in the milk of high concentrations, potentially, it could make serious adverse reactions, the mother should stop breast-feeding the baby.