What special precautions should I follow?  

Before taking acetaminophen and hydrocodone,

• tell your doctor and pharmacist if you are allergic to acetaminophen, codeine, hydrocodone, sulfite, or any other drugs.
• tell your doctor and pharmacist what prescription and nonprescription medications you are taking, especially acetaminophen (Tylenol); antidepressants; medications for cough, cold, or allergies; other pain relievers; sedatives; sleeping pills; tranquilizers; and vitamins.
• tell your doctor if you have or have ever had liver or kidney disease, a history of alcoholism, lung or thyroid disease, prostatic hypertrophy, or urinary retention.
• tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking acetaminophen and hydrocodone, call your doctor.
• if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking acetaminophen and hydrocodone.
• you should know that this drug may make you drowsy and dizzy; do not drive a car or operate heavy machinery until you know how acetaminophen and hydrocodone affects you.
• talk to your doctor about the safe use of alcohol. Alcohol may alter the effectiveness of acetaminophen and hydrocodone.

What should I do if I forget a dose?  

This medication usually is taken as needed. If your doctor has told you to take acetaminophen and hydrocodone regularly, take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.