Generic Name: Alfentanil

  • What is Alfenta?

    Alfenta is a narcotic pain medicine that is used during the maintenance of general anesthesia for surgical procedures. Alfenta is administered intravenously (through a vein in your arm).

    Alfenta is a federally controlled substance because it has abuse potential.

  • What is the most important information I should know about Alfenta?

    Alfenta has abuse potential. Mental and physical dependence can occur with the use of Alfenta when it is used improperly for long periods of time.

    Alfenta can cause serious breathing problems that can become life-threatening, especially when it is used improperly for long periods of time. Tell your doctor if you have any lung or breathing problems (such as asthma); your doctor will continuously monitor you after surgery.

    Alfenta can slow down or stop your heartbeat, reduce your blood pressure, or cause arrhythmias (life-threatening irregular heartbeat). Your doctor will continuously monitor you for these changes while using Alfenta.

  • Who should not take Alfenta?

    Your doctor will not administer Alfenta if you are allergic to it or any of its ingredients.

  • What should I tell my doctor before I take the first dose of Alfenta?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Alfenta. Also, talk to your doctor about your complete medical history, especially if you have breathing problems, brain problems or head injury, liver or kidney problems, history of or a present drug abuse or addiction problem, or a family history of drug abuse or addiction problem.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults and adolescents ≥12 years: Your doctor will administer the appropriate dose for you intravenously, based on your body weight and condition.

  • How should I take Alfenta?

    Your doctor will administer Alfenta to you.

  • What should I avoid while taking Alfenta?

    Do not miss your scheduled follow-up appointments with your doctor.

  • What are possible food and drug interactions associated with Alfenta?

    If Alfenta is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to tell your doctor if you are taking any of the following prior to treatment with Alfenta: cimetidine, erythromycin, or other medications that slow down your brain function (such as alprazolam or phenobarbital).

  • What are the possible side effects of Alfenta?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: agitation, arrhythmia, blurred vision, breathing difficulties, changes in your blood pressure or heartbeat, confusion, dizziness, drowsiness, muscle rigidity, nausea, vomiting

  • Can I receive Alfenta if I am pregnant or breastfeeding?

    The effects of Alfenta during pregnancy and breastfeeding are unknown. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Alfenta?

    Alfenta should be given under special circumstances determined by your doctor, and will be administered to you by your doctor.

  • How should I store Alfenta?

    Your doctor will store this medication for you.