An NHS drive to save millions of pounds by using cheaper drugs to treat arthritis, the skin disease psoriasis and bowel disease could be seriously damaging the health of some patients.
Readers of The Mail on Sunday who have these debilitating conditions have told how their symptoms returned when doctors swapped their usual medication, called Humira, to save cash.
Some who had been living largely symptom-free thanks to their fortnightly jabs of Humira became ill again within weeks of the