What Are Side Effects Of Too Much Acetaminophen?

What Are Side Effects Of Too Much Acetaminophen? Cramping. Fatigue. Loss of appetite. Nausea. Stomach pain. Sweating. Vomiting. How much is too much acetaminophen a day? Adults should not take more than 3,000 mg of single-ingredient acetaminophen a day. You should take less if you are over 65 years old. Taking more, especially 7,000 mg