Hydrocodone-acetaminophen

Opioids and strong painkillers

Also known as Norco, Vicodin

This is two pain relievers in one pill: hydrocodone, an opioid that changes how your brain senses pain, and acetaminophen (the medicine in Tylenol), which boosts the effect. It's for pain that's too strong for regular pain relievers alone. The honest thing to know: it can be habit-forming even when you take it exactly as prescribed, so use the lowest dose that works, for the shortest time you need it.

How to take it

When

Take it exactly as prescribed — never more pills, never closer together. It usually starts working in 30 to 60 minutes. If you've been taking it regularly, don't stop suddenly — ask your doctor how to taper down so you don't get withdrawal symptoms.

Food

Taking it with food or milk can ease nausea. And count the acetaminophen: never add extra Tylenol or combination cold medicines on top — too much acetaminophen can seriously damage your liver.

Avoid

Never mix with alcohol, benzodiazepines (like Xanax or Klonopin), sleep medicines, or other sedatives — that combination can stop your breathing and kills people every day. Don't drive until you know how it affects you. If you're pregnant, tell your doctor — regular use can cause a baby to be born in withdrawal.

Keep it safe

Lock it away from children and teens — a single pill can be fatal to a child. Never share it with anyone (it's illegal and dangerous), and take leftovers to a pharmacy take-back. Ask your doctor or pharmacist about keeping naloxone (Narcan) at home — the FDA recommends it for everyone taking opioids, and it's available without a prescription.

Missed a dose?

If you take it on a schedule and miss a dose, take it as soon as you remember — unless it's almost time for the next one, in which case skip the missed dose. If you take it only as needed for pain, there's no missed dose to worry about. Never take a double dose to catch up.

Common side effects

Constipation — this happens to almost everyone on opioids, so get ahead of it: drink plenty of water, eat fiber, and ask your pharmacist about a stool softener
Sleepiness or feeling foggy
Nausea, especially at first — taking it with food helps
Dizziness or lightheadedness when you stand up
Itching

Call a doctor if

Very slow, shallow, or stopped breathing, gurgling or snoring sounds, blue lips or fingertips, or someone who can't be woken — this is an overdose. Give naloxone if you have it and call 911 immediately
Extreme sleepiness or confusion, especially in the first days or after a dose increase — call your doctor right away, because dangerously slowed breathing can follow
Yellowing skin or eyes, dark urine, or pain in your upper right belly — possible liver damage from the acetaminophen; get medical help now
Hives, or swelling of your face, lips, or throat — call 911 if breathing is affected
Needing more than prescribed, running out early, or feeling unable to cut back — tell your doctor honestly. This is a medical issue they can help with, not a character flaw

Educational only. This summary is drawn from public FDA labeling and MedlinePlus and simplified for readability. Your prescription label and your pharmacist always come first — doses and instructions vary from person to person.