Viracept (Oral Powder)
Generic Name: Nelfinavir Oral Powder (nel FIN a vir)
Brand Name: Viracept
Medically reviewed on May 2, 2018.
Uses of Viracept:
- It is used to treat HIV infection.
What do I need to tell my doctor BEFORE I take Viracept?
- If you have an allergy to nelfinavir or any other part of Viracept (nelfinavir oral powder).
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have liver disease.
- If you take any drugs (prescription or OTC, natural products, vitamins) that must not be taken with Viracept (nelfinavir oral powder), like certain drugs that are used for high cholesterol, migraines, or mood problems. There are many drugs that must not be taken with Viracept (nelfinavir oral powder).
- If you are taking St. John's wort. Do not take St. John's wort with Viracept (nelfinavir oral powder). This medicine may not work as well.
This is not a list of all drugs or health problems that interact with Viracept (nelfinavir oral powder).
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Viracept (nelfinavir oral powder) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Viracept?
- Tell all of your health care providers that you take Viracept (nelfinavir oral powder). This includes your doctors, nurses, pharmacists, and dentists.
- This medicine interacts with many other drugs. The chance of Viracept (nelfinavir oral powder)'s side effects may be raised or how well Viracept (nelfinavir oral powder) works may be lowered. The chance of the other drugs' side effects may also be raised. This may include very bad, life-threatening, or deadly side effects. Check with your doctor and pharmacist to make sure that it is safe for you to take Viracept (nelfinavir oral powder) with all of your other drugs (prescription or OTC, natural products, vitamins).
- If you have high blood sugar (diabetes), talk with your doctor. This medicine may raise blood sugar.
- Some people with hemophilia have had times of more bleeding when taking drugs like this one. If you have hemophilia, talk with your doctor.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- This medicine is not a cure for HIV. Stay under the care of your doctor.
- This medicine does not stop the spread of diseases like HIV or hepatitis that are passed through blood or having sex. Do not have any kind of sex without using a latex or polyurethane condom. Do not share needles or other things like toothbrushes or razors. Talk with your doctor.
- Birth control pills and other hormone-based birth control may not work as well to prevent pregnancy. Use some other kind of birth control also like a condom when taking Viracept (nelfinavir oral powder).
- Use with care in children. Talk with the doctor.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Viracept (nelfinavir oral powder) while you are pregnant.
- Do not breast-feed if you have HIV disease unless your doctor tells you to.
- If you have phenylketonuria (PKU), talk with your doctor. Some products have phenylalanine.
How is this medicine (Viracept) best taken?
Use Viracept (nelfinavir oral powder) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- Take with meals.
- Do not take didanosine within 2 hours of Viracept (nelfinavir oral powder).
- Keep taking Viracept (nelfinavir oral powder) as you have been told by your doctor or other health care provider, even if you feel well.
- It is important that you do not miss or skip a dose of Viracept (nelfinavir oral powder) during treatment.
- Mix the powder with a little bit of water, milk, formula, soy formula, or soy milk and drink.
- Avoid mixing with acidic foods such as apple juice, applesauce, or orange juice.
- Rinse cup with more water and drink.
- If mixing with water, do not mix with water in its original container.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
- If you miss taking Viracept (nelfinavir oral powder) for a few days in a row, call your doctor before you start taking it again.
See also: Dosage Information (in more detail)
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of high blood sugar like confusion, feeling sleepy, more thirst, more hungry, passing urine more often, flushing, fast breathing, or breath that smells like fruit.
- Signs of low mood (depression), thoughts of killing yourself, nervousness, emotional ups and downs, thinking that is not normal, anxiety, or lack of interest in life.
- Any unexplained bruising or bleeding.
- Change in body fat.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
- Changes in your immune system can happen when you start taking drugs to treat HIV. If you have an infection that you did not know you had, it may show up when you take Viracept (nelfinavir oral powder). Tell your doctor right away if you have any new signs after you start Viracept (nelfinavir oral powder), even after taking it for several months. This includes signs of infection like fever, sore throat, weakness, cough, or shortness of breath.
What are some other side effects of Viracept?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
See also: Side effects (in more detail)
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Viracept?
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Use right away after mixing or you may store in a refrigerator for up to 6 hours.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Viracept (nelfinavir oral powder), please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about Viracept (nelfinavir)
- Viracept Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Images
- Drug Interactions
- Support Group
- Pricing & Coupons
- En Español
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- Drug class: protease inhibitors