When most people talk about bringing out the crystal, they are often referring to a type of glass that is made from silica, lead oxide, soda or potash, and other additives. Lead crystal is prized for its durability and decorative properties, even if it does not necessarily possess a crystalline structure.
Safe Dosage of Acetaminophen. Acetaminophen is a very safe drug only if it is used within therapeutic doses. The safe dose is 3 grams per day and the maximum daily dose is 4g per day for adults. However, the elderly who tend to have a lower body weight than younger adults should not exceed the safe dose.
Your healthcare provider will recommend your Tylenol with Codeine dosage based on how you respond to narcotics and the specific strength of the product. The maximum daily dose for any Tylenol with Codeine product in adults is 360 mg of codeine phosphate and 4000 mg of acetaminophen per day. Tylenol with Codeine oral solution -- 120 mg of acetaminophen and 12.5 mg of codeine phosphate per 5 mL (available only in generic form).