Medically reviewed by Franco Cuevas, MD
Tramadol is a prescription opioid used to treat moderate to moderately severe pain. It’s sometimes seen as a ‘milder’ opioid, but it carries real risks that are important to understand before and during treatment. This guide explains tramadol’s common and serious side effects in plain language, so you know what to watch for and when to call your doctor.
Common Side Effects
Many people taking tramadol experience side effects that are bothersome but not dangerous, especially when starting or increasing the dose. These commonly include nausea, dizziness, drowsiness, constipation, headache, dry mouth, and sweating. They often ease as your body adjusts, and your doctor or pharmacist can suggest ways to manage them.
Because tramadol can cause drowsiness and dizziness, it can impair your ability to drive or operate machinery, particularly at first or after a dose change. Alcohol and other sedating substances make this worse and should be avoided.
Serious Risks to Know About
Tramadol has several serious risks that set it apart from ordinary pain relievers. As an opioid, it can cause slowed or dangerous breathing (respiratory depression), especially at high doses, in combination with other sedatives like benzodiazepines or alcohol, or in people who metabolize it rapidly. It can also lead to physical dependence and addiction, and stopping suddenly can cause withdrawal.
Two risks are particularly notable. Tramadol can lower the seizure threshold, so seizures can occur, more likely at higher doses or when combined with certain other medicines. And it can contribute to serotonin syndrome — a potentially serious reaction — when taken with antidepressants or other drugs that raise serotonin. Tramadol is not approved for children under 12 and carries specific FDA warnings about use in some children and during breastfeeding.
When to Get Medical Help
Seek emergency care for signs of overdose or a serious reaction: very slow or shallow breathing, extreme drowsiness or trouble waking, blue-tinged lips or skin, a seizure, or symptoms of serotonin syndrome such as agitation, rapid heartbeat, high fever, muscle stiffness, twitching, or confusion. A severe allergic reaction — swelling, trouble breathing, hives — is also an emergency.
Call your doctor promptly for any side effect that worries you or won’t go away. Never take more than prescribed to get more relief, and never combine tramadol with alcohol, other opioids, or sedatives unless your doctor has specifically approved it.
Using Tramadol Safely
A few precautions lower your risk. Take tramadol exactly as prescribed, and make sure every provider knows all the medicines and supplements you take, since interactions drive many of the serious risks. Tell your doctor about any history of seizures, breathing problems, liver or kidney disease, mental-health conditions, or substance use.
Store it securely away from others, especially children, and dispose of leftover medication properly. If you’ve taken tramadol for a while, don’t stop abruptly — your doctor can taper it to avoid withdrawal.
Dependence, Tolerance, and Stopping Safely
Because tramadol is an opioid, taking it regularly can lead to physical dependence, meaning your body adapts and you can experience withdrawal if you stop suddenly. This can happen even when you take it exactly as prescribed, and it’s different from addiction, though tramadol carries a risk of that too. Tramadol is a federally controlled substance for these reasons.
If you’ve been on tramadol for more than a short time, don’t stop abruptly. Withdrawal can cause anxiety, sweating, nausea, insomnia, and flu-like symptoms, and in tramadol’s case sometimes unusual effects. Your doctor can taper the dose gradually to make stopping safe and comfortable, so plan any discontinuation with them rather than on your own.
The Bottom Line
Tramadol can be an effective pain reliever, but it’s a genuine opioid with genuine risks — dependence, dangerous breathing, seizures, and serotonin syndrome among them. Used exactly as prescribed, with an honest medication list shared with your care team and no added alcohol or sedatives, most people use it safely. Treat any of the warning signs above seriously, and lean on your doctor and pharmacist as partners in using it well.
Common Questions
Is tramadol a strong opioid? Tramadol is generally considered a lower-potency opioid than drugs like oxycodone, but it’s still an opioid with real risks — dependence, respiratory depression, and, unusually, seizure and serotonin-syndrome risks. It should be taken only as prescribed.
What should not be taken with tramadol? Avoid alcohol, other opioids, and sedatives like benzodiazepines, which increase the risk of dangerous breathing problems. Combining tramadol with certain antidepressants or other serotonergic drugs raises the risk of serotonin syndrome. Always review your full medication list with your doctor or pharmacist.
Can tramadol cause seizures? Yes. Tramadol can lower the seizure threshold, and seizures can occur, more often at higher doses or when combined with certain medications. Tell your doctor if you have a seizure history, and seek emergency care if a seizure happens.
Can I drink alcohol while taking tramadol? No. Combining tramadol with alcohol dangerously increases the risk of slowed breathing, extreme drowsiness, and overdose. The same caution applies to sedatives like benzodiazepines and to other opioids. Avoid alcohol entirely while on tramadol unless your doctor tells you otherwise.
