Dr Bernadette Carr answers your questions on bad breath and athlete’s foot

Find out if a cold can cause bad breath and if you can treat athlete’s foot with over-the-counter remedies.

Q. I had a chest infection and a cold in recent times and, for a couple of weeks afterwards, I had really bad taste in my mouth when I woke up.

Occasionally I had bad breath during the day. Could these be related to the respiratory illnesses?