What is Tramadol: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Tramadol is a prescription opioid pain reliever used to relieve moderate to severe pain. It’s available in both immediate-release and extended-release versions as well as an oral solution. Tramadol can cause serious problems such as dependence, withdrawal, respiratory depression, and overdose, so healthcare professionals prescribe it cautiously.

Tramadol overview

BRAND NAMES:

  • ConZip, Durela, Qdolo

Generic Names:

  • Tramadol HCI

Uses:

  • Treats moderate to severe pain.

Therapeutic Classes:

  • Opioid, analgesic

Forms:

  • Tablet, long-acting tablet, long-acting capsule, oral solution (liquid)

How it’s taken:

  • By mouth

What is Tramadol used for?

Tramadol is prescribed to treat pain that is severe enough to require an opioid analgesic.

What form(s) does Tramadol come in

  • Tablet

    • 50 mg

    • 100 mg

  • Long-acting tablet

    • 100 mg

    • 200 mg

    • 300 mg

  • Long-acting capsule

    • 100 mg

    • 200 mg

    • 300 mg

  • Oral solution (liquid)

    • 5 mg/mL

What are common Tramadol doses?

  • For acute moderate or severe pain in adults: 50–100 mg immediate-release tablet every 4–6 hours

  • For chronic moderate or severe pain in adults: 100–300 mg extended-release tablet daily

Common Tramadol prescriptions

  • traMADol HCl
    5ml of 5mg/ml cup

  • traMADol HCl
    100mg tablet

  • traMADol HCl
    25mg tablet

  • traMADol HCl
    50mg tablet

How to take Tramadol

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

  • Tramadol in all its forms can be taken with or without food.

  • Always store tramadol securely. It should be out of the reach of children and in an area that can’t be accessed by others.

  • A Medication Guide should come with this medicine. If you don’t have one, ask the pharmacist for a copy.

  • How to take tramadol immediate-release tablets

    • Take tablets as directed. Do not change the dose.

    • Store tramadol tablets at room temperature out of the reach of children.

  • How to take tramadol extended-release capsules and tablets

    • Take tablets as directed. Do not change the dose.

    • Doses are taken once per day. Take each day’s dose at the same time each day.

    • Swallow the tramadol ER tablets or capsules whole. Do not crush, break, or chew the tablets or capsules.

    • Store at room temperature out of the reach of children.

  • How to take tramadol oral solution

    • Take the dose as instructed. Do not change the dose.

    • Before measuring the dose, make sure you understand the difference between milligrams (mg) and milliliters (mL). Doses will be indicated with both on the prescription, but doses are measured in milliliters.

    • Use a graduated oral syringe or measuring cup with milliliter markings. If you don’t have one, the pharmacist can supply one for free. Do not use kitchen measuring tools or tableware.

    • Store tramadol solution at room temperature out of the reach of children.

  • 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. 

What to do if you miss a dose of Tramadol

  • For immediate-release tramadol, a missed dose can be taken when remembered. If it’s almost time for the next dose, skip the missed dose and take the next dose on time.

  • For extended-release tramadol, a missed dose should be skipped. Take the next dose at the regularly scheduled time.

Tramadol contraindications

  • This medicine is not right for everyone. 

  • Do not use tramadol if you have:

    • Allergies to tramadol or other opioids

    • Problems breathing (respiratory depression)

    • Acute or severe asthma

    • Gastrointestinal blockage

  • Tramadol is never prescribed to people who are suicidal or prone to drug addiction.

  • Tramadol should never be used along with drugs called monoamine oxidase inhibitors (MAOIs).

  • Tramadol should never be given to a child younger than 12 years old.

  • Tramadol should never be given to children immediately after they’ve had their tonsils or adenoids removed.

Tramadol warnings

  • Tell any doctor or dentist who treats you that you are using this medicine.

  • Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

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

  • Call your doctor if you think your medicine is not working.

  • Children have died taking opioids. Keep this medicine in a place inaccessible to children and others.

  • This medicine can cause serious problems including:

    • Respiratory distress (insufficient breathing)

    • Dependence

    • Abuse

    • Withdrawal

    • Suicidal thoughts

    • Neonatal withdrawal

    • Death

  • Tramadol can cause other serious problems such as:

    • Changes in mood and behavior

    • Sleep-related breathing problems (including sleep apnea and sleep-related hypoxemia)

    • Serotonin syndrome (when used with certain medicines). 

    • Unusual changes in mood or behavior

    • Constipation or intestinal paralysis

    • Low sodium

    • Low blood sugar

    • Severe allergic reactions

  • This medicine may make you dizzy, drowsy, or lightheaded. 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.

  • Before taking tramadol, tell the prescriber if you have a history of:

    • Head injury

    • Seizures

    • Asthma or breathing problems

    • Liver disease

    • Kidney disease

    • Pancreas problems

    • Gallbladder problems

    • Urination problems

    • Drug abuse

    • Alcohol abuse

    • Opioid overdose

    • Depression or other mental illness

    • Suicidal thoughts or behaviors

  • Before taking tramadol, tell the prescriber:

    • If you are pregnant or have plans to get pregnant

    • If you are breastfeeding

    • If you live with small children

    • If you live with anyone with a history of drug abuse

    • If you take any prescription drugs, over-the-counter medicines, or supplements

Tramadol interactions

  • Some medicines can affect how gabapentin works. Several medications should never be taken with tramadol because of the hazards. 

  • To avoid hazardous drug interactions, tell the prescribing healthcare provider about all prescription drugs, over-the-counter medicines, and supplements you are using before taking this drug.

  • Because of possible drug interactions, tell other healthcare providers you are using this medicine before they prescribe new medications.

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

  • Tell your doctor if you use anything else that makes you sleepy. Some examples are other opioids, antihistamines, anticonvulsants, sedatives, benzodiazepines, or muscle relaxers. 

  • Avoid alcohol when taking tramadol. 

  • Other medicines that may cause problems when taken with tramadol include:

  • Some drugs slow down the body’s metabolism of tramadol, raising the risk of serious side effects. Some drugs speed up the metabolism of tramadol, making it less effective at relieving pain.

Tramadol side effects

Serious side effects

Gabapentin can cause serious side effects. Talk to a doctor if you notice any signs or symptoms of a possible serious side effect including:

  • Blue lips, fingernails, or skin

  • Unusual mood or behavior, thoughts of killing yourself or others

  • Seizures

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

  • Anxiety, restlessness, fast heartbeat, fever, sweating, muscle spasms, nausea, vomiting, diarrhea, seeing or hearing things that are not there

  • Lightheadedness, dizziness, fainting

  • Trouble breathing

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

  • Blistering, peeling, red skin rash

Less serious side effects

  • Dizziness

  • Nausea

  • Constipation

  • Headache

  • Sleepiness

  • Vomiting

  • Itching

  • Weakness

  • Sweating

  • Stomach upset

  • Dry mouth

  • Diarrhea

Sources:

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