MEPERIDINE - INJECTION

MEPERIDINE - INJECTION

PHONETIC PRONUNCIATION: (me-PER-i-deen)

COMMON BRAND NAME(S): Demerol

GENERIC NAME(S): meperidine HCl

Uses

USES: Meperidine is used to help relieve moderate to severe pain. It may also be used before and during surgery or other procedures. Meperidine belongs to a class of drugs known as opioid (narcotic) analgesics and is similar to morphine. It works in the brain to change how your body feels and responds to pain. Meperidine should not be used to treat long-term or ongoing pain. It should only be used to treat sudden episodes of moderate to severe pain. See also Precautions section.


How to use MEPERIDINE - INJECTION

HOW TO USE: This medication is given by injection into a vein, into a muscle, or under the skin as directed by your doctor. If you are giving this medication to yourself at home, learn all preparation and usage instructions from your health care professional. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard medical supplies safely. When meperidine is injected into a vein, it is given very slowly to prevent serious side effects. If this medication is given into a muscle or under the skin, it is important to change the injection site each time to lessen injury under the skin. You should be lying down when the injection is given to prevent side effects such as dizziness. The dosage is based on your medical condition and response to treatment. Do not increase your dose or use this drug more often or for longer than prescribed because your risk of side effects may increase. Properly stop the medication when so directed. Pain medications work best if they are used as the first signs of pain occur. If you wait until the pain has worsened, the medication may not work as well. If you have nausea, ask your doctor or pharmacist for ways to decrease it (such as lying down with as little head movement as possible). 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. Though it helps many people, this medication may sometimes cause addiction. This risk may be higher if you have a substance use disorder (such as overuse of or addiction to drugs/alcohol). Use this medication exactly as prescribed to lower the risk of addiction. Ask your doctor or pharmacist for more details. Tell your doctor if your pain persists or worsens.

Side Effects

SIDE EFFECTS: See also Warning section. Nausea, vomiting, constipation, sweating, lightheadedness, dizziness, drowsiness, or pain/redness at the injection site may occur. 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. Consult 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 you have any serious side effects, including: mental/mood changes (such as agitation, confusion, hallucinations), stomach/abdominal pain, difficulty urinating, slow/irregular/fast heartbeat, shaking (tremors), vision changes, signs of your adrenal glands not working well (such as loss of appetite, unusual tiredness, weight loss). Get medical help right away if you have any very serious side effects, including: fainting, seizure, severe drowsiness/difficulty waking up. This medication may increase serotonin and rarely cause a very serious condition called serotonin syndrome/toxicity. The risk increases if you are also taking other drugs that increase serotonin, so tell your doctor or pharmacist of all the drugs you take (see Drug Interactions section). Get medical help right away if you develop some of the following symptoms: fast heartbeat, hallucinations, loss of coordination, severe dizziness, severe nausea/vomiting/diarrhea, twitching muscles, unexplained fever, unusual agitation/restlessness. 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 or at www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Precautions

PRECAUTIONS: Before using meperidine, 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), gallbladder disease, kidney disease, liver disease, mental/mood disorders (such as confusion, depression, thoughts of suicide), personal or family history of a substance use disorder (such as overuse of or addiction to drugs/alcohol), stomach/intestinal problems (such as blockage, constipation, diarrhea due to infection, paralytic ileus), disease of the pancreas (pancreatitis), difficulty urinating (such as due to enlarged prostate), pheochromocytoma, heart problems (such as fast/irregular heartbeat), sickle cell anemia. Meperidine is usually used only for a short time. Repeated or high doses may cause drug levels to build up in the body and cause serious side effects such as seizures and shaking. Caution is advised if this medication is used for conditions that require long-term or high-dosage treatment (such as sickle cell anemia, burns, cancer). Consult your doctor or pharmacist for details. This drug may make you dizzy or drowsy. Alcohol or marijuana can make you more dizzy or drowsy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Avoid alcoholic beverages. Talk to your doctor if you are using marijuana. 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. Children may be more sensitive to the side effects of this drug, especially severe drowsiness and slow/shallow breathing. During pregnancy, this medication should be used only when clearly needed. It may harm an unborn baby. Discuss the risks and benefits with your doctor. (See also Warning section.) This drug passes into breast milk and may 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.

Interactions

DRUG INTERACTIONS: See also Warning section. 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 opioid agonist-antagonists such as pentazocine, nalbuphine, butorphanol), naltrexone. 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, safinamide, 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 used with other products that may also cause drowsiness or breathing problems. Tell your doctor or pharmacist if you are taking other products such as other opioid pain or cough relievers (such as codeine, hydrocodone), alcohol, marijuana, drugs for sleep or anxiety (such as alprazolam, lorazepam, zolpidem), muscle relaxants (such as carisoprodol, cyclobenzaprine), or antihistamines (such as cetirizine, diphenhydramine). Check the labels on all your medicines (such as allergy or cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely. The risk of serotonin syndrome/toxicity increases if you are also taking other drugs that increase serotonin. Examples include street drugs such as MDMA/"ecstasy," St. John's wort, certain antidepressants (including SSRIs such as fluoxetine/paroxetine, SNRIs such as duloxetine/venlafaxine), among others. The risk of serotonin syndrome/toxicity may be more likely when you start or increase the dose of these drugs. Other medications can affect the removal of meperidine from your body, which may affect how meperidine works. Examples include azole antifungals (such as ketoconazole), macrolide antibiotics (such as erythromycin), rifamycins (such as rifabutin), ritonavir, drugs used to treat seizures (such as carbamazepine, phenytoin), among others. This medication may interfere with certain laboratory tests (including amylase/lipase tests), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.

Overdose

OVERDOSE: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, give them naloxone if available, then call 911. If the person is awake and has no symptoms, call a poison control center 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/shallow breathing, severe drowsiness, coma.

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Faq for MEPERIDINE - INJECTION

- Meperidine injection is used to treat moderate to severe pain.

- Meperidine works by blocking the brain's perception and response to pain.

- Some common side effects include dizziness, drowsiness, nausea, vomiting, constipation, and sweating. Rare but serious side effects may include shallow breathing, confusion, seizures, and allergic reactions.

- Meperidine is usually injected into a muscle, vein, or under the skin by a healthcare professional. The dosage and frequency of administration will depend on the severity of pain and individual patient factors.

- Meperidine injection is typically administered in a healthcare setting such as a hospital or clinic. However, in some cases, it may be prescribed for home use with proper instructions and supervision from a healthcare professional.

- Meperidine has the potential to be habit-forming if used for a long duration or in high doses. It should be used only as prescribed and under the supervision of a healthcare professional.

- Meperidine can interact with other medications, such as sedatives, tranquilizers, antidepressants, and certain antibiotics. It is important to inform your healthcare provider about all medications you are taking to avoid potential interactions.

- The use of Meperidine during pregnancy or breastfeeding is generally not recommended, as it may harm the unborn baby or pass into breast milk. Consult with a healthcare professional for appropriate alternatives or considerations.

- Since Meperidine injection is usually administered by a healthcare professional, it is unlikely to miss a dose. If you have any concerns or missed doses while at home, contact your healthcare provider for guidance.


Warning

WARNING: Meperidine has a risk for abuse and addiction, which can lead to overdose and death. Meperidine may also cause severe, possibly fatal, breathing problems. To lower your risk, your doctor should have you use the smallest dose of meperidine that works, and use it for the shortest possible time. See also How to Use section for more information about addiction. The risk for severe breathing problems is higher when you start this medication and after a dose increase, or if you use the wrong dose/strength. Using this medication with alcohol or other drugs that can cause drowsiness or breathing problems may cause very serious side effects, including death. Also, other medications can affect the removal of meperidine from your body, which may affect how meperidine works. Be sure you know how to use meperidine and what other drugs you should avoid using with it. See also Drug Interactions section. Get medical help right away if any of these very serious side effects occur: slow/shallow breathing, unusual lightheadedness, severe drowsiness/dizziness, difficulty waking up. Keep this medicine in a safe place to prevent theft, misuse, or abuse. If someone accidentally swallows this drug, get medical help right away. 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, take the smallest effective dose for the shortest possible time. Babies born to mothers who use this drug for a long time may develop severe (possibly fatal) withdrawal symptoms. Tell the doctor right away if you notice any symptoms in your newborn baby such as crying that doesn't stop, slow/shallow breathing, irritability, shaking, vomiting, diarrhea, poor feeding, or difficulty gaining weight.


Disclaimer

IMPORTANT: HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.