The duration of the pollen season varies from year to year and from country to country1, and is likely to change in the future due to the influence of climate change2. Depending upon where you live and what you are allergic to, the pollen season may start as early as the end of February and last until the beginning of September3.
Allergy symptoms appearing in early spring can be attributed to hazel pollen or alder tree pollen, as they bloom at that particular time4. Birch pollen, elm tree pollen and oak tree pollen are the major irritants during late spring4. Grass, which is the most common cause of hay fever in Europe3, is the primary cause of allergy during midsummer5. At the end of summer, mug wort pollen can provoke allergy symptoms. Spores from fern, mushrooms and moss are also capable of provoking allergies (including contact dermatitis) or asthma6-8.
Different types of allergens occur at different times of the year. The peak periods have been highlighted below:
Annesi-Maesano I, Rouve S, Desqueyroux H, Jankovski R, Klossek JM, Thibaudon M, et al. Grass pollen counts, air pollution levels and allergic rhinitis severity. Int Arch Allergy Immunol 2012; 158:397-404.
Kofler H, Hemmer W, Focke M, Jarisch R. Fern allergy. Allergy 2000; 55:299-300.
Hayes JP, Rooney J. The prevalence of respiratory symptoms among mushroom workers in Ireland. Occup Med (Lond) 2014; 64:533-8.
Uter W, Schmidt E, Lessmann H, Schnuch A. Contact sensitization to tree moss (Evernia furfuracea extract, INCI) is heterogeneous. Contact Dermatitis 2012; 67:36-41.
You are now leaving the Dymista® website
Mylan does not review or control the content of any non-Mylan website.
Mylan does not endorse and is not responsible for the accuracy, content,
practices, or standards of any non-Mylan sources.
If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in the package leaflet. Reporting forms and information can be found at www.mhra.gov.uk/yellowcard
or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine. Adverse events should also be reported to Mylan by phone: 0800 121 8627 or by emails:email@example.com