Design for Life: Our teenage son shows increasing signs of OCD

Louize Carroll offers a reader advice on how to help her 16-year-old son who appears to be becoming more anxious and engaging in repetitive behaviours

Dear Expert,

My son is aged 16. He has always suffered from anxiety and been very regimented in his routines, but in recent months my husband and I have noticed that certain rituals are taking on more importance for him. He gets agitated if he leaves the house without doing the same things in the same way and same order, for example, and has become obsessed with handwashing.

We’re very worried about him (I’ve had ...