Generic Name: oxycodone (OX-i-KOE-done)
Brand Name: Examples include Oxyfast and Roxicodone
Oxyfast concentrate is used for:
Treating moderate to severe pain. It may be used before surgery to sedate the patient and reduce fear. It may also be used for other conditions as determined by your doctor.
Oxyfast concentrate is a narcotic pain reliever. It works in the brain and nervous system to reduce pain.
Do NOT use Oxyfast concentrate if:
- you are allergic to any ingredient in Oxyfast concentrate
- you have taken a monoamine oxidase inhibitor (MAOI) (eg, phenelzine) within the last 14 days
- you are taking buprenorphine, butorphanol, nalbuphine, or pentazocine
- you have stomach or bowel blockage or a certain severe bowel motility problem (paralytic ileus)
- you have severely slow or difficult breathing, high blood carbon dioxide levels (hypercarbia), or severe asthma, or you are having an asthma attack
Contact your doctor or health care provider right away if any of these apply to you.
Before using Oxyfast concentrate:
Some medical conditions may interact with Oxyfast concentrate. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have had a severe allergic reaction (eg, severe rash, hives, difficulty breathing, dizziness) to any other narcotic pain medicines (eg, morphine, hydrocodone)
- if you have a history of asthma, chronic obstructive pulmonary disease (COPD), or other lung or breathing problems
- if you have a history of recent head injury, increased pressure in the brain, growths in the brain (eg, tumors), seizures, or hypercarbia
- if you have a certain heart problem (eg, cor pulmonale), low blood pressure, liver or kidney problems, an underactive thyroid, a certain adrenal gland problem (Addison disease), stomach or bowel problems, gallbladder problems, inflammation of the pancreas (pancreatitis), a blockage of the bladder, an enlarged prostate, low blood oxygen levels (hypoxia), curvature of the spine (scoliosis), or the blood disease porphyria
- if you have a history of drug or alcohol abuse, mood or mental problems, or suicidal thoughts or behavior
- if you have poor health or nutrition, low blood volume, dehydration, severe drowsiness, or stomach pain, or you are in alcohol or other substance withdrawal
- if you are taking amiodarone, quinidine, or antidepressants
Some MEDICINES MAY INTERACT with Oxyfast concentrate. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Anticholinergics (eg, scopolamine), benzodiazepines (eg, alprazolam), cimetidine, MAOIs (eg, phenelzine), muscle relaxers (eg, cyclobenzaprine), other narcotic pain medicines (eg, morphine), phenothiazines (eg, chlorpromazine), sleep medicines (eg, zolpidem), or tricyclic antidepressants (eg, amitriptyline) because the risk of side effects, such as severe drowsiness, slow or difficult breathing, confusion, severe constipation, trouble urinating, and seizures may be increased
- Azole antifungals (eg, ketoconazole), macrolide antibiotics (eg, erythromycin), or protease inhibitors (eg, ritonavir) because they may increase the risk of Oxyfast concentrate's side effects
- Buprenorphine, butorphanol, carbamazepine, nalbuphine, naltrexone, pentazocine, phenytoin, or rifampin because the effectiveness of Oxyfast concentrate may be decreased
This may not be a complete list of all interactions that may occur. Ask your health care provider if Oxyfast concentrate may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Oxyfast concentrate:
Use Oxyfast concentrate as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take Oxyfast concentrate by mouth with or without food. If stomach upset occurs, take with food to reduce stomach irritation.
- Use the dropper that comes with Oxyfast concentrate to measure your dose. Ask your pharmacist for help if you are unsure of how to measure your dose.
- Do not suddenly stop taking Oxyfast concentrate if you have been taking it for more than a few weeks. You may have an increased risk of side effects. If you need to stop Oxyfast concentrate, your doctor will gradually lower your dose.
- Do not inject or snort Oxyfast concentrate. Doing any of these things can cause severe side effects (eg, trouble breathing) and death from overdose.
- If you miss a dose of Oxyfast concentrate and you are using it regularly, use it as soon as possible. If several hours have passed or if it is nearing time for the next dose, do not double the dose to catch up, unless advised by your health care provider. Do not use 2 doses at once.
Ask your health care provider any questions you may have about how to use Oxyfast concentrate.
Important safety information:
- Tell your doctor or dentist that you take Oxyfast concentrate before you receive any medical or dental care, emergency care, or surgery.
- Oxyfast concentrate may cause dizziness or drowsiness. These effects may be worse if you take it with alcohol or certain medicines. Use Oxyfast concentrate with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Do not change your dose of Oxyfast concentrate without checking with your doctor.
- Do not drink alcohol or take any medicines that contain alcohol while you are taking Oxyfast concentrate. If you are unsure if any of your medicines contain alcohol, contact your pharmacist.
- Check with your doctor before you use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using Oxyfast concentrate; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
- Oxyfast concentrate may cause dizziness, light-headedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects.
- Oxyfast concentrate may cause constipation. Talk with your doctor or pharmacist about using a stool softener or laxative to prevent or treat constipation. It is also important to maintain a diet adequate in fiber, drink plenty of water, and exercise to prevent constipation. If you become constipated while taking Oxyfast concentrate, talk with your doctor or pharmacist.
- Use Oxyfast concentrate with caution in the ELDERLY; they may be more sensitive to its effects, especially breathing problems.
- PREGNANCY AND BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Oxyfast concentrate while you are pregnant. Taking Oxyfast concentrate for a long time during pregnancy may lead to withdrawal in the newborn baby. This can be life-threatening. Discuss any questions or concerns with your doctor. Oxyfast concentrate is found in breast milk. Do not breast-feed while taking Oxyfast concentrate.
When used for long periods of time or at high doses, Oxyfast concentrate may not work as well and may require higher doses to obtain the same effect as when originally taken. This is known as TOLERANCE. Talk with your doctor if Oxyfast concentrate stops working well. Do not take more than prescribed.
Some people who use Oxyfast concentrate for a long time may develop a need to continue taking it. People who take high doses are also at risk. This is known as DEPENDENCE or addiction. If you suddenly stop taking Oxyfast concentrate, you may experience WITHDRAWAL symptoms including anxiety; diarrhea; fever, runny nose, or sneezing; goose bumps and abnormal skin sensations; nausea; vomiting; pain; rigid muscles; rapid heartbeat; seeing, hearing, or feeling things that are not there; shivering or tremors; sweating; and trouble sleeping.
Possible side effects of Oxyfast concentrate:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Constipation; dizziness; drowsiness; headache; nausea; sleeplessness; vomiting; weakness.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; confusion; difficult or painful urination; fainting; fast, slow, or irregular heartbeat; fever, chills, or persistent sore throat; mental or mood changes; numbness of an arm or leg; seizures; severe or persistent dizziness or light-headedness; slowed or difficult breathing; sudden, severe headache or vomiting; swelling of the hands, ankles, or feet; tremor; unusual tiredness or weakness; vision changes.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.Proper storage of Oxyfast concentrate:
Store Oxyfast concentrate at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from light, heat, and moisture. Do not store in the bathroom. Keep Oxyfast concentrate out of the reach of children and away from pets.
- If you have any questions about Oxyfast concentrate, please talk with your doctor, pharmacist, or other health care provider.
- Oxyfast concentrate is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information should not be used to decide whether or not to take Oxyfast concentrate or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Oxyfast concentrate. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Oxyfast concentrate. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Oxyfast concentrate.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.
More about Oxyfast (oxycodone)
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- Support Group
- En Español
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- Drug class: narcotic analgesics