One of the best remedies for nasal congestion is garlic. Boil two to three cloves in water with a teaspoon of turmeric and a teaspoon of black seed, then drink half a glass in the morning and in the evening. You can also place two to three drops of eucalyptus essential oil on a tissue or on the pillow. Thyme herbal tea is also effective; the child can drink up to two cups a day.
Finally, in the morning on an empty stomach, the child can take a teaspoon of honey mixed with propolis.