An Educational Resource from the Waismann Method®
A trusted educational resource on opioid dependence and recovery. Built on nearly three decades of clinical experience from the Waismann Method®. For treatment information and guidance, visit SAMHSA or call 1-800-662-HELP.
Fentora is the brand name for fentanyl, a very potent narcotic pain killer. The drug is available by prescription in the U.S. and the tablets are meant for treatment of breakthrough cancer pain that isn’t eased by other medications. It’s not meant for treating non-cancer related pain from conditions such as migraines or injuries. Fentora also has a high potential to lead to abuse and addiction, as well as the need for professional medical detox. Only patients who are already tolerant of opiate medications should be prescribed Fentora because of its potency. The amount of fentanyl in each tablet is enough to poison a child or animal, should they accidentally ingest it. Because of its habit-forming potential, Fentora should only be used by those who have a valid prescription for it. Those who’ve had prior addiction issues should not take opiates because they may be especially susceptible to developing a habit. Fentora should be used exactly as prescribed, and taking it in a higher dose than what’s prescribed, or for a longer period, can lead to misuse, abuse and addiction.
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Fentora can cause side effects that negatively affect thinking or reaction time. Driving or other activities that require mental alertness should be performed with caution as it may cause sleepiness. Fentora and other opiates depress the central nervous system. They shouldn’t be taken in combination with other substances that have this effect. These include alcohol, sleeping pills, muscle relaxers, tranquilizers, other narcotic pain medication, and some cold and allergy products. Grapefruit and grapefruit juice may interact with Fentora, potentially causing dangerous side effects. Constipation is one of the most common side effects of opiate use. It can become severe and could require medical treatment if it persists. Some of the more commonly-reported side effects associated with Fentora use include: vomiting; nausea; stomach pain; dizziness; headache; swelling; mouth sores; cold, clammy skin; lightheadedness and fainting; weak or labored breathing; drowsiness; confusion; and extreme weakness.
Fentora is used and abused by those with a legitimate prescription as well as those considered to be recreational users. Addiction can develop quickly, even after relatively short-term use. Fentora addiction is serious and should be treated compassionately, confidentially and professionally. The Waismann Method of rapid detox has perfected the field of rapid opiate detox with a medical procedure performed in a hospital. Intravenous medicine is used to cleanse patients’ opiate receptors while they are lightly sedated through sedation. It takes less than two hours and patients wake up opiate-free without having a conscious awareness of the withdrawal symptoms they experienced. This is possible because our procedure speeds up the withdrawal process safely, maximizing comfort. Many other treatment programs use opiate replacement drugs including Suboxone and methadone to treat opiate abuse. Our procedure is opiate-free so patients don’t need to worry about the need for a second detox. When safety, time and privacy matter, the Waismann Method is here to offer the best in opiate drug treatment.
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Reviewed by Clare Waismann, M-RAS, SUDCC II, Founder of the Waismann Method — April 23, 2026 Medical content last reviewed by Michael H. Lowenstein, M.D.,
