Bacon macitentan (Oral route) ma-si-TEN-tan Oral route(Tablet) Do not administer macitentan to a pregnant female because it may cause fetal harm. Exclude pregnancy before treatment initiation, monthly during treatment, and one month after treatment discontinuation in females of reproductive potential. Use acceptable contraception to prevent pregnancy during treatment and for one month after stopping treatment. Macitentan is only available for female patients through a restricted program under a Risk Evaluation and Mitigation Strategy (REMS) . Overview Side Effects Dosage Professional Interactions More Pregnancy Warnings User Reviews Support Group Q & A Commonly used brand name(s) In the U.S. Opsumit Available Dosage Forms: Tablet Therapeutic Class: Antihypertensive Pharmacologic Class: Endothelin Receptor Antagonist Slideshow Cialis: 7 Important Things You Need to Know Uses For macitentan Macitentan treats symptoms of pulmonary arterial hypertension, which is high blood pressure in the main artery that carries blood from the right side of the heart (the ventricle) to the lungs. When the small blood vessels in the lungs become more resistant to blood flow, the right ventricle must work harder to pump enough blood through the lungs. Macitentan works by relaxing these blood vessels and increasing the supply of blood to the lungs, which reduces the workload of the heart. macitentan is available only with your doctor's prescription. Before Using macitentan In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For macitentan, the following should be considered: Allergies Tell your doctor if you have ever had any unusual or allergic reaction to macitentan or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully. Pediatric Appropriate studies have not been performed on the relationship of age to the effects of macitentan in the pediatric population. Safety and efficacy have not been established. Geriatric Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of macitentan in the elderly. Pregnancy Pregnancy Category Explanation All Trimesters X Studies in animals or pregnant women have demonstrated positive evidence of fetal abnormalities. This drug should not be used in women who are or may become pregnant because the risk clearly outweighs any possible benefit. Breast Feeding There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding. Interactions with Medicines Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking macitentan, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive. Using macitentan with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines. Atazanavir Boceprevir Carbamazepine Clarithromycin Cobicistat Conivaptan Enzalutamide Fluconazole Fosphenytoin Idelalisib Indinavir Itraconazole Ketoconazole Lopinavir Nefazodone Nelfinavir Phenytoin Posaconazole Primidone Rifabutin Rifampin Rifapentine Ritonavir Saquinavir St John's Wort Telaprevir Telithromycin Tipranavir Voriconazole Interactions with Food/Tobacco/Alcohol Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco. Other Medical Problems The presence of other medical problems may affect the use of macitentan. Make sure you tell your doctor if you have any other medical problems, especially: Anemia (low red blood cells), severe or Fluid retention (edema) or Heart disease or Liver disease Use with caution. May make these conditions worse. Proper Use of macitentan Take macitentan exactly as directed by your doctor . Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. Also, do not stop taking macitentan without checking with your doctor first. It is very important that you understand the rules of the Opsumit REMS program. Read the patient Medication Guide. Ask your doctor or pharmacist if you have any questions. You might be asked to sign a form to show that you understand the information. Swallow the tablet whole. Do not crush, break, or chew it. Dosing The dose of macitentan will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of macitentan. If your dose is different, do not change it unless your doctor tells you to do so. The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine. For oral dosage form (tablets): For pulmonary arterial hypertension: Adults 10 milligrams (mg) once a day. Children Use and dose must be determined by your doctor. Missed Dose If you miss a dose of macitentan, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses. Storage Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing. Keep out of the reach of children. Do not keep outdated medicine or medicine no longer needed. Ask your healthcare professional how you should dispose of any medicine you do not use. Precautions While Using macitentan It is very important that your doctor check your progress at regular visits to make sure macitentan is working properly and to check for unwanted effects. Blood tests may be needed to check for unwanted effects. Using macitentan while you are pregnant can cause very serious birth defects . Use 2 forms of effective birth control to keep from getting pregnant while you are using macitentan (even if the medicine is temporarily stopped), and for at least 1 month after you stop taking the medicine. The most effective forms of birth control are hormone birth control pills, patches, shots, vaginal rings, or implants, or a vasectomy (for men). One of these forms of birth control should be combined with a condom, a diaphragm, or a cervical cap. If a woman has had a tubal ligation or has an IUD, she does not need to use a second form of birth control. If you think you have become pregnant while using macitentan, tell your doctor right away . If you are a woman who can get pregnant, you must have a negative pregnancy test before you will be allowed to take macitentan. You will also be required to have a pregnancy test every month during your treatment. If you miss a period while you are using macitentan, tell your doctor right away. Check with your doctor right away if you start to have nausea, vomiting, fever, dark-colored urine or pale stools, a loss of appetite, pain in your upper stomach, or yellow eyes or skin. These could be signs of liver injury. macitentan may cause fluid retention in some patients. Tell your doctor right away if you have bloating or swelling of the face, arms, hands, lower legs, or feet, or rapid weight gain after using macitentan. Pulmonary edema may occur with macitentan. Check with your doctor right away if you have chest pain, difficult, fast, or noisy breathing, blue lips and fingernails, pale skin, increased sweating, coughing that sometimes produces a pink frothy sputum, or trouble breathing. macitentan may decrease the amount of sperm men make and affect their ability to have children. If you plan to have children, talk with your doctor before using macitentan. Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements. macitentan Side Effects Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur: More common Decrease in the amount of urine noisy, rattling breathing pale skin swelling of the fingers, hands, feet, or lower legs troubled breathing with exertion unusual bleeding or bruising unusual tiredness or weakness weight gain Less common Abdominal or stomach pain or tenderness clay colored stools dark urine difficult, burning, or painful urination frequent urge to urinate lower back or side pain muscle aches and pains difficulty with breathing tightness in the chest yellow eyes or skin Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: More common Chills or fever cough sore throat stuffy or runny nose Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088. Side Effects (complete list) The information contained in the Truven Health Micromedex products as delivered by Drugs.com is intended as an educational aid only. It is not intended as medical advice for individual conditions or treatment. It is not a substitute for a medical exam, nor does it replace the need for services provided by medical professionals. Talk to your doctor, nurse or pharmacist before taking any prescription or over the counter drugs (including any herbal medicines or supplements) or following any treatment or regimen. Only your doctor, nurse, or pharmacist can provide you with advice on what is safe and effective for you. The use of the Truven Health products is at your sole risk. These products are provided "AS IS" and "as available" for use, without warranties of any kind, either express or implied. Truven Health and Drugs.com make no representation or warranty as to the accuracy, reliability, timeliness, usefulness or completeness of any of the information contained in the products. Additionally, TRUVEN HEALTH MAKES NO REPRESENTATION OR WARRANTIES AS TO THE OPINIONS OR OTHER SERVICE OR DATA YOU MAY ACCESS, DOWNLOAD OR USE AS A RESULT OF USE OF THE THOMSON REUTERS HEALTHCARE PRODUCTS. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE OR USE ARE HEREBY EXCLUDED. Truven Health does not assume any responsibility or risk for your use of the Truven Health products. Copyright 2017 Truven Health Analytics, Inc. All Rights Reserved. Next Side Effects Print this page Add to My Med List More about macitentan Side Effects During Pregnancy Dosage Information Drug Interactions Support Group En Español 2 Reviews Add your own review/rating Drug class: agents for pulmonary hypertension Consumer resources Macitentan Other brands: Opsumit Professional resources Macitentan (AHFS Monograph) Macitentan (Wolters Kluwer) Related treatment guides Pulmonary Hypertension} Drug Status Rx Availability Prescription only X Pregnancy Category Not for use in pregnancy N/A CSA Schedule Not a controlled drug Approval History Drug history at FDA Drug Class Agents for pulmonary hypertension Related Drugs Pulmonary Hypertension sildenafil , tadalafil , Revatio , Adcirca , Letairis , Opsumit , Tracleer , Adempas , bosentan , ambrisentan , Tyvaso , iloprost , Flolan , Remodulin , Uptravi , treprostinil , riociguat , epoprostenol , Orenitram , Veletri , Ventavis , selexipag , More... Macitentan Rating 2 User Reviews 10 /10 2 User Reviews 10 Rate it! Help and Support Looking for answers? Ask a question or go join the macitentan support group to connect with others who have similar interests.} } massive
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