-
Written By:
Shore Point Team
-
Edited By:
Shore Point Team
-
Clinically Reviewed By:
Erin Andrade, LICSW
Suboxone is a brand name for a medication that combines buprenorphine and naloxone. It is prescribed as part of treatment for opioid use disorder, but like any medication, it can cause side effects and safety concerns. Understanding what may be expected, what needs a clinician’s attention, and what requires emergency help can make treatment safer and less frightening.
Contact Shore Point Recovery to discuss confidential treatment options and medication questions.
This guide is educational, not a diagnosis or personal medication plan. Suboxone decisions belong with a qualified clinician who knows your opioid use history, other medications, medical conditions, and treatment goals. Do not start, stop, split, increase, decrease, or share buprenorphine/naloxone without professional direction.
What is Suboxone, and why can it cause side effects?
Suboxone contains buprenorphine, a partial opioid agonist, and naloxone, an opioid antagonist. The FDA indicates the medication for opioid dependence and says it should be part of a complete treatment plan that includes counseling and psychosocial support. FDA prescribing information explains the medication’s approved use and risks.
Buprenorphine acts on opioid receptors with effects that are weaker than those of full opioid agonists when it is taken as prescribed. It can reduce cravings and withdrawal symptoms, which may help a person participate in ongoing care. Naloxone is included in the combination to discourage misuse by injection. When taken as directed under the tongue or against the cheek, naloxone has limited effect, but misuse can change that safety profile.
Side effects can come from the medication’s opioid activity, the way it is taken, a person’s other health conditions, or an interaction with another substance. The same symptom can have different meanings in different situations. For example, tiredness may be a medication effect, but severe sleepiness with slow breathing is an emergency warning sign.
What are common Suboxone side effects?
Common Suboxone side effects can involve the mouth, digestive system, sleep, energy, and general comfort. The FDA’s current labeling lists oral numbness, tongue pain, oral redness, headache, nausea, vomiting, sweating, constipation, withdrawal symptoms, insomnia, pain, and swelling in the arms or legs among adverse reactions reported with sublingual or buccal administration.
- Nausea or vomiting
- Constipation or stomach discomfort
- Headache, body aches, or general pain
- Increased sweating
- Insomnia or changes in sleep
- Mouth or tongue numbness, redness, burning, or discomfort
- Dizziness, fatigue, or sleepiness
- Swelling in the hands, feet, legs, or ankles
Not every person will experience these effects, and a symptom may have another cause. Keep a record of when symptoms begin, how intense they are, when the dose was taken, and what else was taken that day. Share that information with the prescribing clinician rather than changing the medication yourself.
A clinician may review the dose, the timing of administration, the formulation, hydration and nutrition, bowel habits, liver health, sleep, and other prescriptions. That review is especially important when symptoms are persistent, worsening, or interfering with daily activities. The goal is not to treat every discomfort as proof that medication must be stopped. The goal is to identify the safest plan for the individual.
Which serious Suboxone side effects need urgent help?
Serious Suboxone side effects can involve breathing, alertness, allergic reactions, the liver, or severe withdrawal. Call 911 or seek emergency medical care for slow, shallow, difficult, or stopped breathing; inability to wake; blue or pale lips; collapse; severe confusion; or a suspected overdose. The FDA warns that life-threatening respiratory depression and death have occurred with buprenorphine and recommends educating patients and caregivers about recognizing respiratory depression and using an opioid overdose reversal medication in an emergency.
| Warning sign | What to do |
|---|---|
| Slow, shallow, or difficult breathing | Call 911 immediately. If an opioid overdose reversal medication is available, use it as directed and still seek emergency care. |
| Extreme sleepiness, inability to wake, fainting, or collapse | Treat it as an emergency, especially after combining substances. |
| Swelling of the face, lips, tongue, or throat, or trouble breathing with a rash | Seek emergency help for a possible severe allergic reaction. |
| Yellow skin or eyes, dark urine, or unusual upper-right abdominal pain | Contact a clinician urgently for evaluation of a possible liver problem. |
| Severe agitation, sweating, cramping, vomiting, diarrhea, or sudden worsening after an initial dose | Contact the treatment team promptly because precipitated withdrawal may need clinical management. |
Do not wait for a clinic callback when someone is not breathing normally, cannot be awakened, or may have overdosed. A reversal medication can wear off before the opioid effect does, so emergency evaluation remains necessary even if the person appears to improve.
What is precipitated withdrawal from Suboxone?
Precipitated withdrawal is a sudden, intense opioid withdrawal syndrome that can happen when buprenorphine displaces another opioid from receptors before that opioid’s effects have sufficiently worn off. It may include sweating, restlessness, anxiety, body aches, abdominal cramping, nausea, vomiting, diarrhea, chills, goosebumps, and a rapid worsening of withdrawal symptoms.
The risk is one reason Suboxone induction must be planned with a qualified clinician. SAMHSA explains that a person generally needs to stop using opioids and be in the early stages of withdrawal before starting buprenorphine. The FDA likewise instructs that induction should occur when objective and clear withdrawal signs are present. The timing depends on the opioid used, how long it acts, the person’s history, and other clinical factors, so there is no safe universal schedule for self-starting medication.
If severe symptoms begin after taking a first or changed dose, do not take extra medication or return to another opioid to try to reverse the symptoms. Contact the prescribing clinician or treatment team for instructions. If symptoms include trouble breathing, collapse, confusion, or inability to stay awake, call 911.
Can Suboxone interact with alcohol, benzodiazepines, or other medications?
Yes. Combining buprenorphine with alcohol, benzodiazepines, sedatives, sleep medications, muscle relaxants, gabapentin or pregabalin, other opioids, or other central nervous system depressants can increase sedation and the risk of respiratory depression, overdose, coma, and death. The FDA safety information specifically warns about these combinations.
This warning does not mean a person should hide a prescription, abruptly stop a benzodiazepine, or be automatically denied medication for opioid use disorder. The FDA says treatment should not be categorically denied to people who take benzodiazepines or other central nervous system depressants. Instead, prescribers should coordinate care, review all substances, consider additional monitoring, and develop a plan to reduce risk.
Before starting or changing Suboxone, tell the prescribing clinician about:
- Alcohol use, including occasional or binge drinking
- Benzodiazepines such as alprazolam, clonazepam, or lorazepam
- Sleep medications, muscle relaxants, or sedating antihistamines
- Prescription pain medications or any non-prescribed opioids
- Gabapentin, pregabalin, antipsychotics, or other medicines that cause drowsiness
- Medical conditions affecting breathing, the liver, or alertness
Use one coordinated medication list whenever possible. Do not take someone else’s prescription, add alcohol to test how you feel, or assume a non-prescription product is harmless. If the person is sedated before a scheduled dose, ask the treatment team what to do rather than making an independent decision.
How should Suboxone be taken and stored safely?
Take or apply buprenorphine/naloxone exactly as prescribed. MedlinePlus explains that combination products such as Suboxone are used under the tongue or against the cheek and are usually taken around the same time each day after a clinician determines the appropriate dose. Do not take more, take it more often, or change how you use it to manage a side effect. Ask a pharmacist or prescriber what to do if you miss a dose.
Safe storage is part of treatment. The FDA warns that accidental pediatric exposure to buprenorphine can cause severe or fatal respiratory depression. Keep Suboxone out of sight and reach of children and anyone for whom it was not prescribed. Keep it in its original packaging or another secure location recommended by the pharmacist. Do not leave films or tablets in a purse, vehicle, unlocked bathroom, or bedside area accessible to children or visitors.
- Never share Suboxone, even with someone who says they have the same symptoms.
- Do not give a child or pet a medication dose or wait to see whether symptoms develop after exposure.
- Call Poison Control or emergency services immediately after an accidental exposure.
- Ask the pharmacy or local medication take-back program about disposal of unused medication.
- Do not keep leftover medication for a future self-directed restart.
Medication safety also includes overdose planning. FDA labeling recommends considering an opioid overdose reversal agent when Suboxone treatment is initiated or renewed because relapse or return to opioid use can increase overdose risk, particularly after tolerance changes. Ask a qualified clinician or pharmacist whether an overdose reversal medication should be part of your safety plan and how household members can use it.
Should you stop Suboxone if you have side effects?
Usually, you should not stop or change Suboxone on your own because withdrawal, return of cravings, relapse, or overdose risk can follow an abrupt change. The FDA prescribing information advises gradual tapering when treatment is discontinued to reduce withdrawal signs and symptoms. The correct plan depends on the person’s clinical response and should be made with the prescribing clinician.
Contact the treatment team when side effects are new, persistent, or difficult to manage. Bring a complete list of prescriptions, over-the-counter medicines, supplements, alcohol use, and other substances. Ask specific questions: Is this symptom expected? Could another medication be contributing? Do I need an exam or lab work? What should I do if I miss a dose? What is the emergency plan?
Needing medication for opioid use disorder is not a moral failure, and taking buprenorphine/naloxone as part of care is not a reason for shame. Medication can be one component of a broader plan that may include medical monitoring, counseling, family support, recovery planning, and care for co-occurring mental health needs. Treatment duration is individualized, and SAMHSA notes that some people may remain on buprenorphine indefinitely.
How can levels of care support safer opioid use disorder treatment?
The right level of care depends on medical risk, withdrawal severity, substance use patterns, mental health needs, home support, and the clinician’s assessment. A medication question may be appropriate for an outpatient prescriber, while active withdrawal, severe sedation, repeated relapse, unsafe mixing of substances, or significant medical or psychiatric concerns may require a more structured setting.
Shore Point Recovery describes a continuum that includes medically supervised detox, residential treatment, partial hospitalization, intensive outpatient, outpatient care, co-occurring-disorder treatment, and aftercare planning. Medication decisions should remain with qualified medical professionals, while the surrounding level of care can provide monitoring, therapy, education, and support appropriate to the person’s needs.
For people who may need stabilization before ongoing treatment, Shore Point’s medically supervised detox program explains how clinical monitoring and individualized withdrawal support fit into the first stage of care. The residential treatment program provides information about structured 24-hour support and continuing therapy. These pages are not substitutes for an assessment, but they can help families understand possible next steps.
Insurance and program availability vary. Shore Point’s insurance verification page can help a family begin an access conversation. Coverage verification is not a guarantee of payment, and clinical placement still depends on the person’s needs and available care.
Frequently asked questions about Suboxone side effects
What are the most common side effects of Suboxone?
Common effects listed by the FDA include nausea, vomiting, constipation, headache, sweating, insomnia, pain, swelling, and mouth or tongue discomfort. Tell the prescribing clinician about symptoms that persist, worsen, or interfere with daily life.
Can Suboxone cause precipitated withdrawal?
Yes. Starting buprenorphine before the effects of another opioid have sufficiently worn off can trigger sudden, severe withdrawal. Induction should be directed by a qualified clinician when clear withdrawal signs are present.
Can you take Suboxone with benzodiazepines or alcohol?
These combinations can increase sedation, respiratory depression, overdose, coma, and death risk. Never hide use or stop a prescribed sedative abruptly. Tell the treatment team so risks can be managed with coordinated care.
When should you seek emergency help after taking Suboxone?
Call 911 for slow or difficult breathing, inability to wake, collapse, severe confusion, suspected overdose, or a severe allergic reaction. If an opioid overdose reversal medication is available, use it as directed and still seek emergency care.
How should Suboxone be stored?
Keep it secure, out of sight and reach of children, and away from anyone for whom it was not prescribed. Accidental pediatric exposure can cause life-threatening respiratory depression. Ask a pharmacist about safe disposal of unused medication.
Should you stop Suboxone if you have side effects?
Do not stop or change it without speaking with the prescribing clinician. Abrupt discontinuation can cause withdrawal and may increase the risk of renewed opioid use. Emergency symptoms require emergency care, not a self-directed dose change.
Call Shore Point Recovery at (508) 938-8079.
Sources and medical disclaimer
This article is for general education and does not replace a clinician’s advice, a medication guide, an emergency evaluation, or a personalized treatment plan. Information was reviewed against the FDA Suboxone prescribing information, SAMHSA’s buprenorphine guidance, MedlinePlus drug information, and the Mayo Clinic medication reference. Always follow the instructions provided by your own qualified healthcare professional.
