Katherine, 54, has suffered with hayfever every year since she was a child. She wonders if there's a product she can use now before her symptoms properly kick in to prevent her usual blocked, runny nose and itchy, red eyes, or at least stop them from being so bad. 

• What further questions would you ask Katherine?
• What would you recommend? Are you confident you can advise Katherine on how to use this product?
• What self care tips would you provide?
• What follow-up might you offer Katherine? How would you advise her if the treatment doesn't work?