Nettle allergy (Urticaceae) is a typical seasonal reaction to pollen released during flowering. A summer allergen, flowers from May to September. Symptoms of Nettle allergy include sneezing, watery eyes, a runny nose and a feeling of fatigue during the peak of the season.
Nettle allergy symptoms
Typical symptoms of Nettle allergy are sneezing, a runny nose, itchy and watery eyes, a blocked nose and a scratchy throat. People with asthma may also experience breathing difficulties during the peak of the season.
Flowering season
Nettle flowers from April to October, peaking in June. The actual length of the season depends on weather conditions and region.
View the full pollen calendar 2026Regions in Croatia
Nettle can be found in various regions of Croatia. Track the pollen concentration for your region on the pollen map.
View the Nettle pollen mapHow to protect yourself
During the Nettle allergy season: close your windows in the morning hours, avoid spending time outdoors at the peak of the season, use a HEPA filter and shower after coming home. Antihistamines and nasal sprays help control symptoms - consult an allergist about treatment.
When to see a doctor?
If symptoms of Nettle allergy significantly affect your daily life, last longer than two seasons, or cause breathing difficulties, see an allergist. Allergy testing and immunotherapy can reduce sensitivity over the long term.