What is Nucynta ER: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Nucynta ER overview

BRAND NAMES:

  • Nucynta, Nucynta ER

Generic Names:

  • Nucynta Er

Uses:

  • Treats severe pain. This medicine is a narcotic pain reliever.

Therapeutic Classes:

  • Analgesic

Forms:

  • Liquid, Tablet, Long Acting Tablet

How it’s taken:

  • By mouth

What is Nucynta ER used for?

What form(s) does Nucynta ER come in

  • Liquid

  • Tablet

  • Long Acting Tablet

What are common Nucynta ER doses?

  • Tablet 50mg

  • Tablet 100mg

  • Tablet 150mg

  • Tablet 200mg

  • Tablet 250mg

Common Nucynta ER prescriptions

  • Nucynta ER
    100mg tablet

  • Nucynta ER
    150mg tablet

  • Nucynta ER
    200mg tablet

  • Nucynta ER
    250mg tablet

  • Nucynta ER
    50mg tablet

  • Nucynta ER
    100mg tablet extended release 12 hour

  • Nucynta ER
    150mg tablet extended release 12 hour

  • Nucynta ER
    200mg tablet extended release 12 hour

  • Nucynta ER
    250mg tablet extended release 12 hour

  • Nucynta ER
    50mg tablet extended release 12 hour

How to take Nucynta ER

  • Drop off any unused narcotic medicine at a drug take-back location right away. If you do not have a drug take-back location near you, flush any unused narcotic medicine down the toilet. Check your local drug store and clinics for take-back locations. You can also check the DEA web site for locations. Here is the link to the FDA safe disposal of medicines website: www.fda.gov/drugs/resourcesforyou/consumers/buyingusingmedicinesafely/ensuringsafeuseofmedicine/safedisposalofmedicines/ucm186187.htm

  • Swallow the extended-release tablet whole. Do not crush, break, or chew it. Take the tablet with enough water to swallow it completely. If you have been told to use more than one tablet, take them one at a time.

  • This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Store the medicine in a safe and secure place. Keep the oral liquid bottle upright after you open it.

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you. An overdose can be dangerous. Follow directions carefully so you do not get too much medicine at one time.

  • Oral liquid: Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

  • Swallow the extended-release tablet whole. Do not crush, break, or chew it. Take the tablet with enough water to swallow it completely. If you have been told to use more than one tablet, take them one at a time.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Store the medicine in a safe and secure place. Keep the oral liquid bottle upright after you open it.

  • Drop off any unused narcotic medicine at a drug take-back location right away. If you do not have a drug take-back location near you, flush any unused narcotic medicine down the toilet. Check your local drug store and clinics for take-back locations. You can also check the DEA web site for locations. Here is the link to the FDA safe disposal of medicines website: www.fda.gov/drugs/resourcesforyou/consumers/buyingusingmedicinesafely/ensuringsafeuseofmedicine/safedisposalofmedicines/ucm186187.htm

  • This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you. An overdose can be dangerous. Follow directions carefully so you do not get too much medicine at one time.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Oral liquid: Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

What to do if you miss a dose of Nucynta ER

Nucynta ER contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to tapentadol, or if you have severe breathing problems or paralytic ileus.

Nucynta ER warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, breathing or lung problems (such as COPD, asthma, sleep apnea), adrenal problems, gallbladder problems, pancreas problems, stomach or bowel problems, or trouble urinating. Tell your doctor if you have a history of head injury, brain tumor, seizures, depression, or alcohol or drug abuse.

  • This medicine may cause the following problems:High risk of overdose, which can lead to deathRespiratory depression (serious breathing problem that can be life-threatening)Serotonin syndrome (when used with certain medicines)Sleep-related breathing problems, including sleep apnea, sleep-related hypoxemia

  • This medicine can be habit-forming. Do not use more than your prescribed dose. Call your doctor if you think your medicine is not working.

  • This medicine may make you dizzy, drowsy, or faint. Do not drive or do anything else that could be dangerous until you know how this medicine affects you. Sit or lie down if you feel dizzy. Stand up carefully.

  • Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.

  • This medicine may cause constipation, especially with long-term use. Ask your doctor if you should use a laxative to prevent and treat constipation.

  • This medicine could cause infertility. Talk with your doctor before using this medicine if you plan to have children.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Nucynta ER interactions

  • Do not use this medicine if you are using or have used an MAO inhibitor within the past 14 days.

  • Some medicines can affect how tapentadol works. Tell your doctor if you are using any of the following: TramadolBenzodiazepine medicineDiuretic medicineMedicine to treat depression (including mirtazapine, trazodone)Phenothiazine medicineTriptan medicine to treat migraine headaches

  • Do not drink alcohol while you are using this medicine.

  • Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.

  • Tell your doctor if you use anything else that makes you sleepy. Some examples are allergy medicine, narcotic pain medicine, and alcohol. Tell your doctor if you are also using buprenorphine, butorphanol, nalbuphine, pentazocine, or a muscle relaxer (including cyclobenzaprine, metaxalone).

  • This medicine may cause constipation, especially with long-term use. Ask your doctor if you should use a laxative to prevent and treat constipation.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Nucynta ER side effects

Serious Side Effects

  • Severe constipation, stomach pain, or vomiting

  • Trouble breathing or slow breathing

  • Blue lips, fingernails, or skin

  • Extreme dizziness or weakness, shallow breathing, slow or uneven heartbeat, sweating, seizures, and cold, clammy skin

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Anxiety, restlessness, muscle spasms, twitching, diarrhea, seeing or hearing things that are not there

  • Severe confusion, lightheadedness, dizziness, fainting

Less Serious Side Effects

  • Mild constipation, diarrhea, nausea, or vomiting

  • Mild sleepiness or tiredness

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