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.
A Discovery Health answered. The Food and Drug Administration estimates that there are approximately 36 million people in the United States who suffer from seasonal allergies. This condition is also called by its common name of hay fever, or, by its technical name, allergic rhinitis. While it may provide little comfort, the pollen that you are reacting to is actually harmless. The runny noses, scratchy eyes and headaches you endure actually result from a case of mistaken identity. Your body believes that the pollen in the air is actually dust mites or fungal spores. In response, it releases histamine-a natural chemical that is part of the body's immune system response.