The overlap in the terminology that is used to define asthma, chronic bronchitis, emphysema, COPD and bronchiectasis is the greatest cause of confusion in distinguishing these diseases and in accurately determining the prevalence of airway diseases.
Excedrin Extra Strength contains a combination of 250 mg of acetaminophen, 250 mg of aspirin and 65 mg of caffeine. This represents the original Excedrin created to treat headache pain. Excedrin also makes Excedrin Migraine to target the pain caused by migraine headaches. Excedrin Migraine contains 250 mg of acetaminophen, 250 mg of aspirin and 65 mg of therapeutically active caffeine.
At 58.5 mg per fl. oz., Black Insomnia is more than twice as strong as Starbucks' dark roast, at around 21.25 mg per fl. oz. This all depends on how you brew the coffee, of course. Kristafor said this level is well within limits for a shot, but one cup (12 oz.) could add up to 702 mg of caffeine. The FDA and the International Food Information Council recommend 400 mg of caffeine for daily consumption.