April 30, 2017
Recommended Topic Related To:


"The US Food and Drug Administration has expanded the use of the protease inhibitor darunavir (Prezista, Janssen Therapeutics) to pregnant women with HIV infection, the company announced.

Darunavir is already indicated for tre"...



(delavirdine mesylate) Tablets


RESCRIPTOR Tablets contain delavirdine mesylate, a synthetic non-nucleoside reverse transcriptase inhibitor (NNRTI) of the human immunodeficiency virus type 1 (HIV-1). The chemical name of delavirdine mesylate is piperazine, 1-[3-[(1-methyl-ethyl)amino]-2- pyridinyl]-4-[[5-[(methylsulfonyl)amino]-1H-indol-2-yl]carbonyl]-, monomethanesulfonate. Its molecular formula is C22H28N6O3S • CH4O3S, and its molecular weight is 552.68. The structural formula is:

RESCRIPTOR® (delavirdine mesylate)Structural Formula Illustration

Delavirdine mesylate is an odorless white-to-tan crystalline powder. The aqueous solubility of delavirdine free base at 23°C is 2,942 mcg/mL at pH 1.0, 295 mcg/mL at pH 2.0, and 0.81 mcg/mL at pH 7.4.

Each RESCRIPTOR Tablet, for oral administration, contains 100 or 200 mg of delavirdine mesylate (henceforth referred to as delavirdine). Inactive ingredients consist of carnauba wax, colloidal silicon dioxide, croscarmellose sodium, lactose, magnesium stearate, and microcrystalline cellulose. In addition, the 100-mg tablet contains Opadry White YS-1-7000-E and the 200-mg tablet contains hypromellose and Opadry White YS-1-18202-A.

What are the possible side effects of delavirdine (Rescriptor)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

  • signs of an infection such as fever, chills, night sweats, sore throat, flu symptoms, weakness, easy bruising or unusual bleeding, loss of appetite, mouth sores;
  • rapid heart rate, tremors, sleep problems (insomnia), feeling anxious or irritable;
  • severe diarrhea, unexplained weight loss, menstrual changes, impotence, loss...

Read All Potential Side Effects and See Pictures of Rescriptor »

What are the precautions when taking delavirdine mesylate (Rescriptor)?

Before taking delavirdine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver problems.

During pregnancy, this medication should be used only when clearly needed. However, HIV medicines are now usually given to pregnant women with HIV. Treatment has been shown to decrease the risk of HIV transmission to the baby. Delavirdine may be part of that treatment. Discuss the risks and benefits with your doctor.

It is not known if delavirdine passes into breast milk. Because breast milk can...

Read All Potential Precautions of Rescriptor »

Last reviewed on RxList: 11/29/2016
This monograph has been modified to include the generic and brand name in many instances.

Rescriptor - User Reviews

Rescriptor User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Rescriptor sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

WebMD Daily

Get breaking medical news.