1 Steep the tea for 5 minutes. Dunk the tea bags a few times in the water to fully hydrate, then leave submerged with the strings hanging over the side of the pot. After 5 minutes, remove the bags and discard.  Add the sugar to the tea.
Nettle tea can be used as an effective home remedy for seasonal allergies, as it has the anti-histamine properties. It controls the production of histamine in our body and makes it less effective, thereby reducing the intensity of seasonal allergies.
There are also a number of medications that can be used to treat winter allergies and asthma, including: 1  Oral antihistamines. 2  Nasal decongestant sprays. 3  Nasal steroid sprays or nasal chromolyn sodium. 4  Eye drops. 5  Saline nasal rinse/irrigation.