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.
They may raise your blood pressure. They also keep some high blood pressure drugs from working the way they should. Watch out for combination medications for allergies that include decongestant ingredients. That includes allergy drugs as well as many remedies for cold, flu, and sinus problems. Ask your pharmacist to check the ingredients for you.