This drug is used with other HIV medications to help control HIV infection. It helps to decrease the amount of HIV in your body so your immune system can work better. This lowers your chance of getting HIV complications (such as new infections, cancer) and improves your quality of life. Delavirdine belongs to a class of drugs known as non-nucleoside reverse transcriptase inhibitors (NNRTIs).
Delavirdine is not a cure for HIV infection. To decrease your risk of spreading HIV disease to others, do all of the following: (1) continue to take all HIV medications exactly as prescribed by your doctor, (2) always use an effective barrier method (latex or polyurethane condoms/dental dams) during all sexual activity, and (3) do not share personal items (such as needles/syringes, toothbrushes, and razors) that may have contacted blood or other body fluids. Consult your doctor or pharmacist for more details.
How to use Rescriptor
If you have a condition of little or no stomach acid (achlorhydria), you should take delavirdine with an acidic beverage such as orange or cranberry juice.
If you are also taking an antacid or a buffered form of the medication didanosine, take it at least 1 hour before or after delavirdine.
It is very important to continue taking this medication (and other HIV medications) exactly as prescribed by your doctor. Do not skip any doses. Do not increase your dose, take this drug more often than prescribed, or stop taking it (or other HIV medicines) even for a short time unless directed to do so by your doctor. Skipping or changing your dose without approval from your doctor may cause the amount of virus to increase, make the infection more difficult to treat (resistant), or worsen side effects.
For the best effect, take this medication at evenly spaced times. To help you remember, take this medication at the same times every day.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
As your immune system gets stronger, it can begin to fight off infections you already had, possibly causing disease symptoms to come back. You could also have symptoms if your immune system becomes overactive. This reaction may happen at any time (soon after starting HIV treatment or many months later). Get medical help right away if you have any serious symptoms, including: unexplained weight loss, severe tiredness, muscle aches/weakness that doesn't go away, headaches that are severe or don't go away, joint pain, numbness/tingling of the hands/feet/arms/legs, vision changes, signs of infection (such as fever, chills, swollen lymph nodes, trouble breathing, cough, non-healing skin sores), signs of an overactive thyroid (such as irritability, nervousness, heat intolerance, fast/pounding/irregular heartbeat, bulging eyes, unusual growth in the neck/thyroid known as a goiter), signs of a certain nerve problem known as Guillain-Barre syndrome (such as trouble breathing/swallowing/moving your eyes, drooping face, paralysis, trouble speaking).
Tell your doctor right away if any of these unlikely but serious side effects occur: mental/mood changes (such as depression), signs of liver problems (such as persistent nausea, vomiting, stomach/abdominal pain, severe tiredness, yellowing eyes/skin, dark urine).
Changes in body fat may occur while you are taking this medication (such as increased fat in the upper back and stomach areas, decreased fat in the arms and legs). The cause and long-term effects of these changes are unknown. Discuss the risks and benefits of treatment with your doctor, as well as the possible use of exercise to reduce this side effect.
Delavirdine can commonly cause a rash that is usually not serious. A rash may occur within 1 to 3 weeks after you start delavirdine treatment. It appears mainly on the upper body and arms, but may also appear on the neck and face. After consultation with the doctor, most people can continue taking delavirdine and treat the rash if it is not severe. Non-serious rashes usually last less than 2 weeks. However, a severe rash or a rash with signs of a severe reaction requires immediate medical attention. Signs of a severe reaction that usually appear within the first 3 days of a serious rash include: fever, blisters, mouth sores, eye redness/swelling, swelling in other areas of the body, or muscle/joint pain. Since you may not be able to tell a common rash apart from a rare rash that could be a sign of a severe reaction, always seek immediate medical attention if you develop any rash or any of these symptoms.
A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
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.
During pregnancy, this medication should be used only when clearly needed. Treatment can lower the risk of passing HIV infection to your baby, and delavirdine may be part of that treatment. Discuss the risks and benefits with your doctor.
See also How to Use section.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some products that may interact with this drug include: a certain combination HIV medication (elvitegravir/cobicistat/emtricitabine/tenofovir), drugs that decrease the amount of acid in your stomach (for example, ulcer drugs/heartburn relievers such as H2 blockers including cimetidine/famotidine, proton pump inhibitors such as omeprazole/lansoprazole), orlistat.
Other medications can affect the removal of delavirdine from your body, which may affect how delavirdine works. Examples include fosamprenavir, some drugs used to treat seizures (such as carbamazepine, phenobarbital, phenytoin, primidone), rifamycins (such as rifabutin, rifampin), St. John's wort, among others.
Delavirdine can slow down the removal of many other medications from your body, which may affect how they work. Examples of affected drugs include antiarrhythmics (such as quinidine), cisapride, some drugs for anxiety/sleep (such as alprazolam, midazolam, triazolam), drugs to treat erectile dysfunction-ED or pulmonary hypertension (such as sildenafil, tadalafil), ergot drugs (such as ergotamine), pimozide, cholesterol-reducing statins (such as atorvastatin, fluvastatin, lovastatin, simvastatin), trazodone, warfarin, among others.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.
Do not share this medication with others.
Laboratory and/or medical tests (such as liver tests, viral load, T-cell counts) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.
Keep all medical and laboratory appointments.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Store at room temperature between 59-86 degrees F (15-30 degrees C) away from light and moisture. Keep the container cap tightly closed. Do not store in the bathroom. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.Information last revised June 2018. Copyright(c) 2018 First Databank, Inc.
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