File photo: AFPOne of the most commonly prescribed drugs in France - Levothyrox - is at the centre of a controversy as thousands of people using the treatment complain of serious side effects in the wake of a formula change. The thyroid gland is supposed to produce this hormone on its own, but fails to do so in sufferers of thyroid disorders. As a result, Levothyrox is a vital drug for three million patients in France, according to France's ANSM agency, which oversees the safety of medicines and health products. Since stopping the treatment, I've had a new lease of life." An emergency number was set up by the ANSM on Wednesday, in a bid to respond to concerns from people using the treatment.

Source: The Local August 24, 2017 11:03 UTC