Here are some tips to help easy the discomfort of the recovery symptoms. This shouldn't be too difficult because you probably had the habit of taking routine cigarette breaks while working. Get some fresh air. Brisk walks or other exercise can help. For irritability, take slow deep breaths to relax.
Headaches Drink lots of water.
Use caffeinated beverages in moderation if you are a heavy coffee drinker. If you stopped drinking coffee because it triggers smoking, try switching to another caffeinated beverage like tea or diet soda. Drink only moderate amounts of caffeinated drinks. Mild exercise may also help. See your doctor if these headaches continue.