Cetirizine is an antihistamine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes /nose, sneezing, hives, and itching.
When your energy levels go down because of chronic sugar use, your immune system is weakened, making it more likely that you will catch every bug, cold, or flu virus that goes around. The sugar in one can of soda can be enough to suppress your bodyâs defense forces by 30 percent for a three-hour period!
3. Change Lifestyle Habits. 1  Avoid Sugar. Sugar prevents white blood cells from reaching their full strength. 2  Cut Off Unhealthy Fats. Polyunsaturated fats from safflower, corn or sunflower oils are deterrents to your immune system. 3  Lose Weight.