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Seasonal allergic rhinitis (SAR) is one of the top reasons for patient visits to primary care physicians because of its bothersome symptoms. This highly prevalent disease also impairs quality of life, sleep, and work. Oral antihistamines are one of the most frequently prescribed medications for the management of SAR but they have their own side effects. Hence the effects of traditional Nigella sativa seeds, on seasonal allergic rhinitis were studied in 20 patients. Daily dosages of 250 mg of seeds for a 15 days period significantly reduced the symptom severity scores of allergic rhinitis in patients. It was concluded that Nigella sativa seeds could be successfully used for seasonal allergic rhinitis.