I think i have a weak liver should i be worried

I rarely drink except recently ill have a mikes hard lemonade or a couple twisted teas once or twice a week. this fourth of July i drank 5 twisted teas and ended up vomiting like 6 times throughout the night and after i woke up the next morning i threw up one more time and had a stiffness and pain in my right side which i think is my liver its still bothering me the second day should i be worried