DELAVIRDINE is an antiretroviral medicine. It is used with other medicines to treat HIV. This medicine is not a cure for HIV. It will not stop the spread of HIV to others. Compare HIV NNRTIs.

What is Delavirdine?

Commonly Used Brand Name(s)Rescriptor

Therapeutic ClassificationsAntiretroviral Agent

Pharmacologic ClassificationsNon-Nucleoside Reverse Transcriptase Inhibitor




Delavirdine is used, in combination with other medicines, in the treatment of the infection caused by the human immunodeficiency virus (HIV). HIV is the virus that causes acquired immune deficiency syndrome (AIDS).

Delavirdine will not cure or prevent HIV infection or AIDS; however, it helps keep HIV from reproducing and appears to slow down the destruction of the immune system. This may help delay the development of problems usually related to AIDS or HIV disease. Delavirdine will not keep you from spreading HIV to other people. People who receive this medicine may continue to have other problems usually related to AIDS or HIV disease.

This medicine is available only with your doctor's prescription.

Proper UseTOP

This medicine can be taken with our without food.

It is very important that you find out about medicines that can not be taken with delavirdine.

It is best to swallow both the 100 milligram (mg) and 200 milligram (mg) tablets whole. However, if swallowing is difficult, the 100 milligram (mg) tablet can be put in a glass of water (at least 3 ounces), allowed to sit for a few minutes, and then stirred to mix. Drink the mixture right away. Then rinse the glass with water and drink that rinse to make sure the full dose is taken.

Note: Only the 100 milligram (mg) tablets can be put into a glass of water to dissolve. The 200 milligram (mg) tablets must be swallowed whole.

Do not take any antacid medications within 1 hour of the time you take delavirdine. They may prevent delavirdine from being absorbed into the body.

For patients with achlorhydria (absence of stomach acid) they should take delavirdine with a glass of orange juice or cranberry juice.

Take this medicine exactly as directed by your doctor. Do not take it more often, and do not take it for a longer time than your doctor ordered. Also, do not stop taking this medicine without checking with your doctor first.

Keep taking delavirdine for the full time of treatment, even if you begin to feel better.


The dose of this medicine 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 this medicine. 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 treatment of HIV infection:
      • Adults—400 mg three times a day in combination with other antiretroviral medicines. Your healthcare professional will decide on the other medicines needed and how much you will use.
      • Children younger than 16 years of age—Use and dose must be determined by your doctor.

Missed DoseTOP

If you miss a dose of this medicine, 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.

Use & StorageTOP

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.

Before UsingTOP

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 this medicine, the following should be considered:


Tell your doctor if you have ever had any unusual or allergic reaction to this medicine 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.


Delavirdine has not been studied specifically in older people. Therefore, it is not known whether it causes different side effects or problems in the elderly than it does in younger adults.


Pregnancy CategoryExplanation
All TrimestersCAnimal studies have shown an adverse effect and there are no adequate studies in pregnant women OR no animal studies have been conducted and there are no adequate studies in pregnant women.

Breast FeedingTOP

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.

Drug InteractionsTOP

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 this medicine, 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 this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.

Using this medicine 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.

Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

Other InteractionsTOP

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 ProblemsTOP

The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:

  • Achlorhydria (absence of stomach acid)—Delavirdine should be taken with an acidic beverage such as orange or cranberry juice
  • Liver disease—Effects of delavirdine may be increased because of slower removal from the body


It is very important that your doctor check your progress at regular visits.

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