The leaflets in this section are authored by an experienced pharmacist. Pharmacists are experts in medicines. The medicines in this section include those used for treating different types of allergies such as hay fever. If you've ever thought "Who shouldn't take loratadine?", "How do I take my nasal spray?", "How do I get the most from my sodium cromoglicate treatment?" or "What problems can fexofenadine cause?" information leaflets in this section will have answers for you.