Aprepitant

Aprepitant is used to prevent nausea & vomiting induced by chemotherapy and surgery. The prescription medicine contains the active ingredient aprepitant, which is a neurokinin-1 receptor antagonist. It functions by inhibiting the action of substance P. Aprepitant is available in the form of capsules, oral suspension, and injection with varying strengths. The tablets are meant to be taken by mouth, with or without food. This medicine is suitable for use in adults and pediatric patients above 6 months of age. For safe and efficient use of the medicine, you should get in touch with a licensed medical practitioner before use and seek their guidance regarding usage, dosage, and more. If you want to buy Aprepitant to treat nausea and vomiting, you should choose reputable and trusted sources.

Aprepitant is used to prevent nausea & vomiting caused by chemotherapy and surgery. It contains the active ingredient aprepitant, a neurokinin-1 (NK1) receptor antagonist, which works by blocking the action of substance P, a neurotransmitter involved in the vomiting reflex, reducing the likelihood of nausea and vomiting. This prescription medication is available in the forms of capsules, oral suspension, and injection. It is commonly found in the form of 40 mg, 80 mg, and 125 mg capsules. It is usually taken by mouth, with or without food, as directed by a licensed healthcare provider.

The typical regimen includes a 125 mg dose one hour before chemotherapy on day one, followed by an 80 mg dose on days two and three. It is not intended for immediate relief of nausea or for prolonged use. Aprepitant is suitable for adults and children over 6 months, depending on the prescribed dosage. Common side effects include fatigue, dizziness, diarrhea, hiccups, and loss of appetite. Serious reactions such as allergic responses or severe skin reactions are rare but require immediate medical attention.

Precautions include informing your doctor about any liver conditions, pregnancy, or other medications that may interact with aprepitant, especially warfarin and hormonal contraceptives. If a dose is missed, take it as soon as possible unless it is close to the next scheduled dose. Avoid doubling doses. In case of overdose, seek emergency medical assistance. Store at a controlled temperature, away from moisture and heat. Use this medicine under medical supervision, and do not share this medication with others.

It is used to:

• Prevent nausea and vomiting caused by chemotherapy
• Prevent nausea and vomiting after surgery

What Forms & Strengths is Aprepitant?

It comes in the following forms and strengths:

• Capsule: 40mg, 80mg & 125mg
• Oral suspension: 125mg/pouch
• Injection: 7.2mg/m

What Is the Recommended Dosage of Aprepitant?

The recommended dosage of Aprepitant varies from individual to individual and depends on many factors, such as the patient’s age, condition, and tolerability. It also depends on the strength and duration of the medicine. The dosage mentioned here applies to everyone, and if your doctor has recommended that you use a dosage different from the one given here, you should follow their instructions and use it exactly as prescribed. Do not make changes to your dosage without talking to them first, as it can cause harm.

For Chemotherapy-Induced Nausea and Vomiting (CINV)

• Adults & pediatric patients above the age of 12:
  • Day 1: 125 mg orally by mouth, typically one hour before chemotherapy
  • Days 2 & 3: 80mg orally by mouth, one hour before chemotherapy or in the morning if chemotherapy is not given on these days.
• Pediatric patients less than the age of 12, weighing 30kg or more: 125 mg one hour before chemotherapy, followed by 80mg once in the morning on days 2 & 3.
• Pediatric patients less than the age of 12, weighing less than 30kg: Your doctor will determine the usage & dosage.

To Prevent Nausea & Chemotherapy after Surgery

• Adults: 40 mg orally within 3 hours prior to the induction of anesthesia
• Pediatric patients: Your physician will determine the usage & dosage.

[Note: Remember, these recommendations may vary from person to person. Discuss it with your doctor, and they'll customize your dosage accordingly.]

• Before using Aprepitant for the first time, each time you get a refill, you should refer to the patient information leaflet (PIL) and, if available, the medication guide that came along with your prescription or was provided by your pharmacist or healthcare provider. If you have any questions or concerns, or if you have difficulty understanding any part of the leaflet, you should ask your doctor or healthcare provider.
• To get the most benefit from your medicine, you should use Aprepitant exactly as directed by your doctor. Avoid taking more or less than prescribed, in large quantities, or more often than recommended.
• Aprepitant is used along with other medicines to prevent nausea and vomiting caused by chemotherapy. Carefully follow the directions given by your physician regarding how to take all the medicines.
• You can take the oral tablet form of Aprepitant with or without food, typically one hour before chemotherapy.
• You should swallow the Aprepitant capsules as a whole. Avoid crushing, chewing, opening, or breaking it.
• For each dose of the oral suspension, you will get a prefilled oral dosing dispenser or syringe that contains your prescribed dose.
• If you or your child have difficulty taking the prescribed dose, immediately call your doctor or healthcare provider.
• Dispose of the oral dosing dispenser and its cap after each use. Do not keep it.
• You should not take Aprepitant if you are already experiencing nausea and vomiting. Get in touch with your doctor regarding what should be done.
• The Aprepitant injected is administered into the vein by a licensed healthcare practitioner in a medical setting.
• Aprepitant is not intended to be used for the long term.
• If you also use a blood thinner known as warfarin, you may require a blood test after taking Aprepitant.
• Do not use this medicine with other people, even if they have the same symptoms as you.

[Note: Your doctor will decide the right amount for you based on your condition, following guidelines and studies on the drug. They'll adjust it as needed over time.]

Aprepitant is an antiemetic medication used to prevent nausea and vomiting caused by chemotherapy & surgery. It functions by blocking the action of a chemical messenger called neurokinin-1 (NK1) in the brain. NK1 receptors are activated by a substance known as substance P, which is involved in triggering nausea & vomiting. By inhibiting these receptors, aprepitant effectively reduces the likelihood of these symptoms occurring

What Are the Side Effects of Aprepitant?

Common side effects of Aprepitant: Similar to other medicines, Aprepitant can cause certain temporary side effects in some people using it. It is important to note that not every individual using this drug will experience these side effects. Most of the symptoms usually resolve on their own within a few days or weeks without the need for medical intervention as your body starts to adjust to the medicine. However, consult with a licensed healthcare professional if any of these side effects persist or become bothersome. You should also report any new or worsening symptoms to your doctor. Common side effects of Aprepitant may include:

• Stomach Pain or Discomfort, Burping, or Loss of Appetite: Gastrointestinal symptoms such as stomach pain, discomfort, burping, and loss of appetite are some of the most common side effects associated with using Aprepitant. These side effects are likely due to the action of Aprepitant on the central nervous system, which can influence gastrointestinal motility and secretion. To manage these side effects, it may help if you eat smaller and more frequent meals and avoid greasy, rich, or spicy food while being treated with this medicine. If these symptoms persist or worsen, you should consult your medical provider.
• Low Blood Pressure, Headache, and Dizziness: This medicine can cause the widening of blood vessels, which further leads to low blood pressure, which may manifest as dizziness or lightheadedness. Some people may also experience headaches while using this medication, possibly due to changes in vascular tone or central nervous system effects. To manage these side effects, you should monitor your blood pressure regularly and stay adequately hydrated throughout the day. If you experience significant dizziness or persistent headaches, you should talk to your medical giver.
• Low Blood Cell Counts: Although rare, Aprepitant can affect bone marrow function, causing a decrease in the formation of blood cells, like white blood cells, red cells, and platelets. This can raise the chance of developing infections, anemia, and bleeding. While being treated with this medicine, you may require regular blood tests to check blood cell counts. You should seek prompt medical attention if you have any signs and symptoms of an infection, such as fever, chills, fatigue, or unusual bruising.
• Diarrhea and Constipation: This medicine can disrupt the normal function of the gastrointestinal system, causing diarrhea or constipation. To help regulate your bowel movements, you should maintain a balanced & healthy diet rich in fiber, stay adequately hydrated throughout the day, and engage in regular physical activity. You can also use over-the-counter remedies after consulting a healthcare provider to relieve such symptoms. If these symptoms persist or worsen, you should report them to your doctor.
• Hiccups and Cough: Some people using Aprepitant have reported these side effects, while the exact mechanism behind why this happens is not entirely understood. It is believed that they may be related to the drug's central action on neural pathways involved in reflexes. While often mild and self-limiting, consult your healthcare provider for potential management strategies if these symptoms become bothersome or persistent.
• Abnormal Liver Function Tests: Since this medicine is metabolized in the liver, it can elevate liver enzymes, indicating liver stress or damage. While being treated with this medicine, you should regularly monitor your liver function through certain blood tests. Patients with pre-existing liver conditions should use aprepitant cautiously. If you experience symptoms such as jaundice, dark urine, or upper abdominal pain, seek medical attention promptly.
• Dehydration: Many users experience dehydration while taking this medicine, especially if they have vomiting or diarrhea. You should stay adequately hydrated throughout the day while taking it. Signs of dehydration include decreased urine, dry mouth, dizziness, and fatigue. If you suspect dehydration, increase your fluid intake and contact your healthcare professional for further guidance.
• Urinary Tract Infection: Some Aprepitant users have reported urinary tract infections. However, a direct relationship has not been established. Symptoms of a UTI include a burning sensation while urinating, cloudy urine, a strong urge to urinate, and pelvic pain. Maintaining good hydration and personal hygiene can help prevent UTIs. If symptoms occur, seek medical evaluation for appropriate treatment.
• Pain, Numbness, or Weakness in The Arms/Legs: Some people using Aprepitant can experience neurological symptoms such as numbness, pain, or weakness in the extremities, possibly due to peripheral neuropathy. The exact mechanism behind why this happens is not well understood but may involve neurotoxic effects. If you experience these symptoms, report them to your healthcare provider promptly, as dosage adjustment or discontinuation may be necessary.
• Feeling Weak or Tired: Fatigue and weakness are common side effects of aprepitant. They may result from the body's response to the medication or other side effects, such as anemia or dehydration. To help manage these symptoms, you should maintain a balanced diet & engage in light physical exercises. If fatigue is severe or persistent, consult your healthcare provider for further evaluation.

Serious side effects of Aprepitant: Aprepitant can cause rare but severe side effects in some people using it. Your doctor has prescribed you to use Aprepitant after determining the benefits of this medicine and justify its risks. You should seek immediate medical help if you experience any of the side effects mentioned below. You can call your doctor or 911. You can also go to the nearest medical care room.

• Light-Headed Feeling, Like You Might Pass Out: Some users can feel light-headedness or a sensation of impending fainting while being treated with Aprepitant due to its effects on heart rate or blood pressure. To minimize the risk of this side effect, you should avoid sudden jerky movements after sitting or lying down for extended periods. If such symptoms occur, you should sit down or lie down immediately and tell your doctor. They will assess the need for dosage adjustment or discontinuation.
• Fast or Slow Heart Rate: Aprepitant has been associated with changes in heart rate, including both tachycardia (fast heart rate) and bradycardia (slow heart rate). These cardiac effects may be due to the drug's influence on the autonomic nervous system or potential drug interactions with other medicines metabolized by the cytochrome P450 pathway. To prevent such occurrences, ensure your healthcare provider is aware of all medications you are taking and any pre-existing heart conditions. Regular monitoring of your heart rate and reporting any irregularities to your doctor can help manage this side effect effectively.

[Note: Remember, this list may not cover all possible side effects. Always consult with your healthcare giver for medical advice about side effects.]

• You should avoid taking Aprepitant if you already have nausea or vomiting. Ask your doctor or healthcare provider what to do if you already have nausea or vomiting.
• Effective methods of contraception, including birth control pills & hormonal contraceptives such as IUDs or patches, may not work as well as they should while being treated with Aprepitant. You should use an effective method of contraception while being treated with this medicine and after its last dose.
• This medicine is not intended for long-term use. Do not use it for longer than prescribed or more often, as it can cause harm.
• Aprepitant can cause a change in your liver function blood tests. Tell your doctor or anyone who treats you about all the medicines you are using while being treated with Aprepitant, including all prescriptions, over-the-counter drugs, herbs, and vitamin or mineral supplements.

While deciding to use Aprepitant, you should weigh the risks and benefits and use it only after the benefits associated with the use of this medicine justify the risks associated with its use. Your doctor will help you determine if this medicine is safe for you to use. Before using Aprepitant, the following should be kept in mind.

• Allergies: You should let your doctor know if you have ever had an allergic reaction to Aprepitant, any other medicines, or any active or inactive ingredients in the medicine. Also, inform your doctor if you have an allergy to any other food items, preservatives, dyes, or animals.
• Pediatric: There is not enough data to establish the safety & efficacy of Aprepitant in pediatric patients. Before using this medicine in children under six months of age, consult a healthcare practitioner.
• Geriatric: It is possible that elderly patients using Aprepitant can have an increased risk of certain side effects associated with the use of this medication.

Breastfeeding: You should weigh the potential benefits against the risks associated with the use of this medication while breastfeeding before taking Aprepitant. Consult a licensed healthcare practitioner for more information.

Aprepitant is contraindicated for use in patients who have:

• If you have a known hypersensitivity to any component of aprepitant, you should avoid using it.
• Used concurrently with pimozide, as it can lead to serious or life-threatening reactions due to the inhibition of CYP3A4

• To get the most out of Aprepitant, you should keep consistency in dosage and try to take the medicine around the same time each day to help you remember to take it.
• If you have missed a dose of Aprepitant, you should take it as soon as you think of it unless it is almost time to take your next dose.
• If so, you should omit the missed dose and continue taking the medicine according to your regular dosing schedule.
• You should not take extra or double doses of the same medicine to make up for the missed dosage.

[Note: If you have missed a dose of your medication and are unsure about when to take the next one, immediately consult your doctor or pharmacist.]

Taking too much Aprepitant can lead to a range of side effects, some of which may prompt medical attention. In certain rare cases, it can cause severe skin reactions, such as blistering or peeling. If you or someone has taken Aprepitant more than the prescribed dose, you should seek emergency medical attention by calling a healthcare professional, 911 or the Poison Help line at 1-800-222-1222. You can also go to the nearest medical care centre.

[Note: If you consumed more than the recommended dose, get medical help right away or call the Poison Help line at 1-800-222-1222.]

• You should keep Aprepitant in a cool, dry place in tightly closed packaging, away from direct sunlight, heat, and moisture. Do not store it in the bathroom, under the sink, or other places with high humidity, as moisture can harm certain medicines.
• Keep Aprepitant oral suspension in the refrigerator and use it within three days of opening. You should not Aprepitant to freeze. If kept at room temperature, you should use the oral liquid within three hours.
• Do not keep medicines that are no longer needed or have passed their expiration date. Discard them safely so that animals, children, and other people cannot consume them.
• You should ask your pharmacist or medical professional how you should dispose of medicines that are no longer needed or outdated.
• Do not throw unwanted medicines into the household trash, pour them down the drain, or flush them in the toilet unless instructed to do so.

[Note: Discuss with your healthcare professional about the proper disposal of any unused medicine and any questions you may have regarding its storage.]

It is possible that Aprepitant can interact with certain medicines, which can interfere with how it works or cause unwanted side effects in some people using it. Before using Aprepitant, you should tell your doctor or licensed healthcare professional about all the medicines you are currently using or plan to use alongside this medicine, such as prescriptions, over-the-counter drugs, herbs, vitamins or mineral supplements. This information is essential for your doctor to prevent or manage potential drug interactions. Although certain drugs should not be used together at all, your doctor may still prescribe you to use them together. Potential drug interactions of Aprepitant include:

• Amlodipine
• Apalutamide
• Dexamethasone
• Flibanserin
• Levoketoconazole
• Lomitapide
• Methylprednisolone
• Midazolam
• Pimozide
• Quetiapine
• Sirolimus

What Are the Other Aprepitant Interactions?

You should not use certain medicines at or around the same time as consuming certain food items or beverages, as interactions can occur. Aprepitant can also interact with other herbs or supplements. Consult your doctor for more information. Consuming alcohol, alcohol-containing beverages, medicines and tobacco can also lead to interactions. Using this medication with grapefruit juice is generally not recommended. However, if it cannot be avoided, your doctor may adjust the dosage, change how often you take it, or provide specific instructions regarding food, alcohol, or tobacco use.

• Aprepitant and Grapefruit Juice Interaction: Grapefruit juice can affect how aprepitant is broken down in the body, potentially increasing its levels in the bloodstream. This may lead to a higher risk of certain side effects. It is best recommended to avoid grapefruit juice while taking aprepitant unless directed otherwise by your doctor.

[Note: This isn't a complete list, and there could be other drugs that interact with Aprepitant. Make sure to tell your doctor about any prescription, over-the-counter medicines, and herbal products you’re taking.]

While Aprepitant is an effective medicine, it may not be suitable for everyone. In that case, people look for alternatives to this drug. While there are many effective substitutes to this medicine available on the market, you should not use them without consulting with your doctor. Based on your needs, age, tolerability, and other factors, they will help you determine the most suitable medicine for you to use. Some of the alternatives of Aprepitant may include:

• Metoclopramide
• Prochlorperazine
• Meclizine
• Ativan (lorazepam)
• Reglan (metoclopramide)

[Note: Your doctor will choose what’s best for you. Don’t use any of these alternative medications without consulting your healthcare provider. Taking them by yourself may cause serious side effects.]

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