nelfinavir
What is the most important information I should know about nelfinavir?You should not use nelfinavir if you have moderate to severe liver disease. Serious drug interactions can occur when certain medicines are used together with nelfinavir. Tell each of your healthcare providers about all medicines you use now, and any medicine you start or stop using. What is nelfinavir?Nelfinavir is an antiviral medicine that prevents human immunodeficiency virus (HIV) from multiplying in your body. Nelfinavir is used to treat HIV, the virus that can cause acquired immunodeficiency syndrome (AIDS). Nelfinavir is not a cure for HIV or AIDS. Nelfinavir may also be used for purposes not listed in this medication guide. What should I discuss with my healthcare provider before taking nelfinavir?You should not take this medication if you are allergic to nelfinavir, or if you have moderate or severe liver disease. Some medicines can cause unwanted or dangerous effects when used with nelfinavir. Your doctor may need to change your treatment plan if you use any of the following drugs: - alfuzosin;
- pimozide;
- rifampin;
- sildenafil (Revatio for pulmonary arterial hypertension);
- St. John's wort;
- lovastatin or simvastatin;
- dihydroergotamine, ergotamine, ergonovine, or methylergonovine;
- amiodarone or quinidine; or
- oral midazolam, or triazolam.
To make sure nelfinavir is safe for you, tell your doctor if you have: - liver disease;
- kidney disease;
- diabetes;
- a bleeding disorder such as hemophilia; or
- high cholesterol or triglycerides.
This medication is not expected to be harmful to an unborn baby, but HIV can be passed to your baby if you are not properly treated during pregnancy. Tell your doctor if you are pregnant or plan to become pregnant. Take all of your HIV medicines as directed to control your infection. If you are pregnant, your name may be listed on a pregnancy registry. This is to track the outcome of the pregnancy and to evaluate any effects of nelfinavir on the baby. Nelfinavir can make birth control pills less effective. Ask your doctor about using non hormonal birth control (condom, diaphragm with spermicide) to prevent pregnancy. You should not breast-feed while you are using nelfinavir. Women with HIV or AIDS should not breast-feed at all. Even if your baby is born without HIV, you may still pass the virus to the baby in your breast milk. Nelfinavir is not approved for use by anyone younger than 2 years old. How should I take nelfinavir?Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended. Read all patient information, medication guides, and instruction sheets provided to you. Ask your doctor or pharmacist if you have any questions. Nelfinavir works best if you take it with food. Swallow the nelfinavir tablet whole. If you cannot swallow a whole tablet, dissolve it in a small amount of water. Stir this mixture and drink all of it right away. To make sure you get the entire dose, add a little more water to the same glass, swirl gently and drink right away. If a child is using this medicine, tell your doctor if the child has any changes in weight. Nelfinavir doses are based on weight in children, and any changes may affect your child's dose. Use nelfinavir regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely. HIV/AIDS is usually treated with a combination of drugs. Use all medications as directed by your doctor. Read the medication guide or patient instructions provided with each medication. Do not change your doses or medication schedule without your doctor's advice. Every person with HIV or AIDS should remain under the care of a doctor. While using nelfinavir, you may need frequent blood tests. Store at room temperature away from moisture and heat. What happens if I miss a dose?Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose. What happens if I overdose?Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. What should I avoid while taking nelfinavir?If you also take didanosine, take it 1 hour before or 2 hours after you take nelfinavir. Taking this medicine will not prevent you from passing HIV to other people. Do not have unprotected sex or share razors or toothbrushes. Talk with your doctor about safe ways to prevent HIV transmission during sex. Sharing drug or medicine needles is never safe, even for a healthy person. What are the possible side effects of nelfinavir?Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have: - easy bruising, unusual bleeding (nose, mouth, vagina, or rectum), purple or red pinpoint spots under your skin; or
- high blood sugar --increased thirst, increased urination, hunger, dry mouth, fruity breath odor, drowsiness, dry skin, blurred vision, weight loss.
Nelfinavir may increase your risk of certain infections or autoimmune disorders by changing the way your immune system works. Symptoms may occur weeks or months after you start treatment with nelfinavir. Tell your doctor if you have: - signs of a new infection--fever, night sweats, swollen glands, mouth sores, diarrhea, stomach pain, weight loss;
- chest pain (especially when you breathe), dry cough, wheezing, feeling short of breath;
- cold sores, sores on your genital or anal area;
- rapid heart rate, feeling anxious or irritable, weakness or prickly feeling, problems with balance or eye movement;
- trouble speaking or swallowing, severe lower back pain, loss of bladder or bowel control; or
- swelling in your neck or throat (enlarged thyroid), menstrual changes, impotence, loss of interest in sex.
Common side effects may include: - infections;
- nausea, diarrhea, gas, stomach pain;
- loss of appetite;
- rash; or
- changes in the shape or location of body fat (especially in your arms, legs, face, neck, breasts, and waist).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. What other drugs will affect nelfinavir?Many drugs can interact with nelfinavir. Not all possible interactions are listed here. Tell your doctor about all your current medicines and any you start or stop using, especially: - any other antiviral medicines to treat HIV;
- bosentan;
- carbamazepine;
- colchicine;
- fluticasone;
- methadone;
- midazolam injection;
- omeprazole;
- quetiapine;
- salmeterol;
- warfarin (Coumadin, Jantoven);
- an antibiotic --azithromycin, rifabutin;
- cholesterol medication --atorvastatin, rosuvastatin;
- medicine to prevent organ transplant rejection --cyclosporine, sirolimus, tacrolimus;
- medicine to treat impotence or pulmonary arterial hypertension --avanafil (Stendra), sildenafil (Viagra), tadalafil (Adcirca, Cialis), or vardenafil (Levitra, Staxyn); or
- seizure medicine --phenobarbital, phenytoin.
This list is not complete and many other drugs can interact with nelfinavir. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Give a list of all your medicines to any healthcare provider who treats you. Where can I get more information?Your pharmacist can provide more information about nelfinavir.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed. Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist. Copyright 1996-2017 Cerner Multum, Inc. Version: 14.02. Revision date: 5/13/2016.
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Last modified on: 8 September 2017
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