To get rid of a hangover fast, the most effective strategies involve rehydrating, resting, and replenishing essential nutrients. Drinking lots of water or electrolyte-rich fluids helps combat dehydration caused by alcohol. Getting plenty of rest helps your body recover from the disturbed sleep alcohol causes. Eating carbohydrates like toast, crackers, or even fruit can restore blood sugar levels, which alcohol may have lowered. Over-the-counter pain relievers like ibuprofen can ease headache and muscle aches, but avoid acetaminophen as it can strain the liver when alcohol is still in your system. Some find caffeine helpful for combating fatigue, but must be cautious as it can also contribute to dehydration. Avoid greasy, heavy foods which may irritate your stomach further; opt for light, easily digestible carbs instead. Certain foods like bananas, pickles, avocados, and spinach may help replenish electrolytes and vitamins lost during drinking. Ultimately, the best cure is to wait it out with hydration and rest, as hangover symptoms usually improve within a day.