Concerning malformation observed after the use of loratadin (trade name Clarinase® , Clarityn®) during pregnancy
The Swedish authorities suspect that the use of medicine containing loratadin early on in pregnancy increases the occurrence of congenital deformities.
In the Swedish birth register, 15 cases of the malformation hypospadi (the opening of the urethra on the underside of the penis) have been found among 2,780 children borne by mothers, who have taken loratadin […]