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.
The lethal dose for caffeine is in the neighborhood of 150 milligrams per kilogram of body weight (one kilogram equals roughly 2.2 pounds). While the average personâs caffeine consumption is around 200 milligrams a day, the Mayo Clinic advises against exceeding 500 to 600 milligrams per day.