Hay fever affects roughly one in four UK adults. Symptoms are caused by three different types of pollen: tree, grass and weed pollen. As hay fever season typically runs from March to September, this ...

Around 10 to 18 million people in the UK have hay fever, and it's thought to impact about 20% to 25% of the population, according to the Met Office. This condition is a usual allergic response to ...

“Get the longer-acting antihistamines into your system for a good four weeks before your hay fever symptoms tend to start.