See also Uses and How To Use sections.
Fentanyl has a high risk for abuse and severe, possibly fatal, breathing problems. Do not use fentanyl dissolving film unless you have been regularly taking moderate to large amounts of narcotic pain medication. Otherwise, it may cause overdose (even death). The risk for harm is higher if you take the wrong dose/strength, or if you take it along with other drugs that might also affect breathing. It might also be higher when you start this medication and after a dose increase. Get medical help right away if you notice unusual slow/shallow breathing.
Carefully follow the specific directions for using fentanyl buccal films. Since they are not taken the same way, different forms of fentanyl (including lozenges, buccal tablets, patches) do not have the same effects at equal strengths and should not be substituted for each other. Tell your doctor or pharmacist of all medications that you use, especially of drugs that can affect how fentanyl works (see also Drug Interactions section). Do not start, stop, or change the dosage of any medicines you are using without your doctor's approval.
Keep this medicine in a safe place to prevent theft, misuse, or abuse. If a child accidentally swallows this drug, get medical help right away.
Because of the risk of misuse, abuse, and overdose, you will need to register with a special distribution program (FOCUS) before receiving your prescription. Only doctors and pharmacies enrolled in FOCUS may prescribe or dispense this medication. Ask your doctor or pharmacist for details.Who should not take Onsolis buccal?
This medication is used to help relieve sudden (breakthrough) cancer pain in people who are regularly taking moderate to large amounts of narcotic pain medication. Fentanyl belongs to a class of drugs known as narcotic (opiate) analgesics. It works in the brain to change how your body feels and responds to pain.
This medication should not be used to relieve mild or short-term pain (such as due to headache/migraine, dental procedures, surgery).
Read the Medication Guide provided by your pharmacist before you start using fentanyl and each time you get a refill. Learn all usage and disposal instructions. If you have any questions, ask your doctor or pharmacist.
Use fentanyl buccal films as directed by your doctor. Before using, rinse your mouth with water or use your tongue to wet the inside of your cheek. With dry hands, open the blister pack just before using. Use the tip of a dry finger to place one film inside your mouth with the pink side facing against one cheek. Press and hold the film in place for 5 seconds, then remove your finger. The film should stay in place on its own after this. Leave it in place until it is dissolved (usually 15 to 30 minutes). You may drink liquids after the film has been in place for 5 minutes but do not move the strip with your tongue/finger or eat any food until the film has completely dissolved. If your doctor directs you to use more than one film at the same time for your breakthrough cancer pain, do not place one on top of the other. Place the films on either side of your mouth.
Do not cut, tear, bite, chew, or swallow the film whole.
Avoid eating grapefruit or drinking grapefruit juice while using this medication unless your doctor or pharmacist says you may do so safely. Grapefruit can increase the chance of side effects with this medicine. Ask your doctor or pharmacist for more details.
If you start to have side effects (such as dizziness, feeling sick to your stomach, severe drowsiness) before finishing a dose, your doctor may need to adjust your dose. Remove any remaining film and discard into a sink or toilet. Rinse your mouth with water and spit into a sink or toilet. Rinse the sink or flush the toilet afterward to finish proper disposal. Tell your doctor promptly if this happens.
The dosage is based on your medical condition and response to treatment. Wait at least 2 hours before using fentanyl buccal films again for another episode of sudden (breakthrough) pain. To avoid any confusion and chance of overdose, you should only keep a supply of one strength of this medication. Do not increase your dose, take the medication more frequently, or take it for a longer time than prescribed.
Pain medications work best if they are used when the first signs of pain occur. If you wait until the pain has worsened, the medication may not work as well.
You should continue to also take your long-acting narcotic medication as directed by your doctor. Other non-narcotic pain relievers (such as acetaminophen, ibuprofen) may also be prescribed with this medication. Ask your doctor or pharmacist if you have any questions about using fentanyl safely with other drugs.
This medication may cause withdrawal reactions, especially if it has been used regularly for a long time or in high doses. In such cases, withdrawal symptoms (such as restlessness, watering eyes, runny nose, nausea, sweating, muscle aches) may occur if you suddenly stop using this medication. To prevent withdrawal reactions, your doctor may reduce your dose gradually. Ask your doctor or pharmacist for more details, and report any withdrawal reactions right away.
When this medication is used for a long time, it may not work as well. Talk with your doctor if this medication stops working well.
Along with its benefits, this medication may rarely cause abnormal drug-seeking behavior (addiction). This risk may be increased if you have abused alcohol or drugs in the past. Take this medication exactly as prescribed to lessen the risk of addiction.
Tell your doctor if your pain persists or worsens or if you have more than 4 episodes of breakthrough pain daily.
Nausea, vomiting, constipation, lightheadedness, dizziness, drowsiness, or headache may occur. Some of these side effects may decrease after you have been using this medication for a while. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
To prevent constipation, eat a diet adequate in fiber, drink plenty of water, and exercise. Ask your pharmacist for help in selecting a laxative (such as a stimulant type with stool softener).
To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if any of these unlikely but serious side effects occur: mental/mood changes (such as agitation, confusion, hallucinations), severe stomach/abdominal pain, difficulty urinating.
Get medical help right away if any of these rare but serious side effects occur: fainting, seizure, slow/shallow breathing, unusual drowsiness/difficulty waking up.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before taking fentanyl, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: brain disorders (such as head injury, tumor, seizures), breathing problems (such as asthma, sleep apnea, chronic obstructive pulmonary disease-COPD), kidney disease, liver disease, mental/mood disorders (such as confusion, depression), personal or family history of regular use/abuse of drugs/alcohol, stomach/intestinal problems (such as blockage, constipation, diarrhea due to infection, paralytic ileus), difficulty urinating (such as due to enlarged prostate), gallbladder disease, disease of the pancreas (pancreatitis).
This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Avoid alcoholic beverages.
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
Older adults may be more sensitive to the side effects of this drug, especially confusion, dizziness, drowsiness, and slow/shallow breathing.
Before using this medication, women of childbearing age should talk with their doctor(s) about the risks and benefits. Tell your doctor if you are pregnant or if you plan to become pregnant. During pregnancy, this medication should be used only when clearly needed. It may slightly increase the risk of birth defects if used during the first two months of pregnancy. Also, using it for a long time or in high doses near the expected delivery date may harm the unborn baby. To lessen the risk, use the smallest effective dose for the shortest possible time. Tell the doctor right away if you notice any symptoms in your newborn baby such as slow/shallow breathing, irritability, abnormal/persistent crying, vomiting, or diarrhea.
This drug passes into breast milk and may rarely have undesirable effects on a nursing infant. Tell the doctor right away if your baby develops unusual sleepiness, difficulty feeding, or trouble breathing. Consult your doctor before breast-feeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some products that may interact with this drug include: certain pain medications (mixed narcotic agonist-antagonists such as pentazocine, nalbuphine, butorphanol), narcotic antagonists (such as naltrexone).
Other medications can affect the removal of fentanyl from your body, which may affect how fentanyl works. Examples include cimetidine, nefazodone, St. John's wort, azole antifungals including itraconazole/ ketoconazole, calcium channel blockers such as diltiazem/verapamil, HIV drugs such as nelfinavir/ritonavir, macrolide antibiotics including erythromycin, rifamycins including rifampin, certain anti-seizure medicines including carbamazepine, among others.
Taking MAO inhibitors with this medication may cause a serious (possibly fatal) drug interaction. Avoid taking MAO inhibitors (isocarboxazid, linezolid, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine) during treatment with this medication. Most MAO inhibitors should also not be taken for two weeks before treatment with this medication. Ask your doctor when to start or stop taking this medication.
The risk of serious side effects (such as slow/shallow breathing, severe drowsiness/dizziness) may be increased if this medication is taken with other products that may also affect breathing or cause drowsiness. Therefore, tell your doctor or pharmacist if you are taking other products such as alcohol, allergy or cough-and-cold products, anti-seizure drugs (such as phenobarbital), medicine for sleep or anxiety (such as alprazolam, diazepam, zolpidem), muscle relaxants, other narcotic pain relievers (such as codeine), and psychiatric medicines (such as risperidone, amitriptyline, trazodone). Your medications or doses of your medications may need to be changed.
This medication may interfere with certain laboratory tests (including amylase/lipase levels), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.
If overdose is suspected, contact a poison control center or emergency room right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: slow breathing, slow heartbeat, loss of consciousness.
Do not share this medication with others. It is against the law and the medication may cause harm to others.
This medication has been prescribed for your current condition only. Do not use it later for another condition unless told to do so by your doctor. A different medication may be necessary in that case.
Store at room temperature away from light and moisture. Do not freeze. Do not store in the bathroom. Keep all medications away from children and pets. See also Warning section.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Read the Medication Guide for details. In the US, the FDA recommends flushing this medication down the toilet. Consult your pharmacist or local waste disposal company.
Information last revised February 2015. Copyright(c) 2015 First Databank, Inc.
With WebMD's Medicine Cabinet, you can check interactions with drugs.Go to medicine cabinet