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.
Peppermint can be very effective against seasonal allergies. You can boil peppermint leaves in water and inhale that steam for getting your nasal passages clear. you can also prepare peppermint tea by boiling peppermint leaves in water for 5 minutes, straining them and adding one tablespoon of honey to this water.
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.