Walnut allergy (Juglans) is a typical seasonal reaction to pollen released during flowering. A spring allergen of low to moderate potency. Symptoms of Walnut allergy include sneezing, watery eyes, a runny nose and a feeling of fatigue during the peak of the season.
Walnut allergy symptoms
Typical symptoms of Walnut 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
The Walnut allergy season depends on the region and weather conditions. Follow the flowering calendar for the exact schedule.
View the full pollen calendar 2026Regions in Croatia
Walnut can be found in various regions of Croatia. Track the pollen concentration for your region on the pollen map.
View the Walnut pollen mapHow to protect yourself
During the Walnut 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 Walnut 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.