Reyataz (Atazanavir Sulfate) Patient Information: Missed a Dose and What Should I Avoid at RxList

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May 27, 2012

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The human immunodeficiency virus (HIV) is a type of virus called a retrovirus, which infects humans when it comes in contact with tissues such as those that line the vagina, anal area, mouth, or eyes, or through a break in the skin.
HIV infection is generally a slowly progressive disease in which the virus is present throughout the body at all stages of the disease.
Three stages of HIV infection have been described.

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The stage of chronic asymptomatic infection (meaning a long duration of infection without symptoms) lasts an average of eight to 10 years.
The stage of symptomatic infection, in which the body's immune (or defense) system has...

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Reyataz Patient Information including If I Miss a Dose

What happens if I miss a dose (Reyataz)?

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.

What happens if I overdose (Reyataz)?

Seek emergency medical attention if you think you have used too much of this medicine. Overdose may cause jaundice (yellowing of the skin or eyes).

What should I avoid while taking atazanavir (Reyataz)?

Avoid using antacids within 1 hour before or 2 hours after you take atazanavir.

If you also take didanosine, take it 1 hour before or 2 hours after you take atazanavir.

Avoid having unprotected sex or sharing needles, razors, or toothbrushes. Taking this medication will not prevent you from passing HIV to other people. Talk with your doctor about safe methods of preventing HIV transmission during sex. Sharing drug or medicine needles is never safe, even for a healthy person.

What other drugs will affect atazanavir (Reyataz)?

Atazanavir should not be taken together with ritonavir (Norvir) if you are also using a steroid medicine called fluticasone (Advair, Flonase, Flovent). Ask your doctor about taking a different HIV medication, or using another treatment for your allergic condition.

Many drugs can interact with atazanavir. Below is just a partial list. Tell your doctor if you are using:

digoxin (digitalis, Lanoxin, Lanoxicaps);
an antibiotic such as clarithromycin (Biaxin) or rifabutin (Mycobutin);
an antifungal such as itraconazole (Sporanox) or ketoconazole (Nizoral);
an antidepressant such as amitriptyline (Elavil, Etrafon), imipramine (Janimine, Tofranil), trazodone (Desyrel), and others;
a blood thinner such as warfarin (Coumadin);
a calcium channel blocker such as amlodipine (Caduet, Lotrel, Norvasc), diltiazem (Tiazac, Cartia, Dilacor), felodipine (Plendil), nifedipine (Procardia, Adalat), or verapamil (Calan, Covera, Isoptin, Verelan);
cholesterol-lowering medicine such as atorvastatin (Lipitor) and others;
drugs that weaken the immune system, such as cyclosporine (Gengraf, Neoral, Sandimmune), sirolimus (Rapamune), or tacrolimus (Prograf);
heart rhythm medications such as amiodarone (Cordarone) or quinidine (Quinaglute, Quinidex);
insulin or diabetes medication you take by mouth;
medicines to treat erectile dysfunction, such as sildenafil (Viagra), tadalafil (Cialis), or vardenafil (Levitra);
other HIV /AIDS medicine such as efavirenz (Sustiva), ritonavir (Norvir), or tenofovir (Viread); or
stomach acid reducers such as cimetidine (Tagamet), famotidine (Pepcid), nizatidine (Axid), omeprazole (Prilosec), or ranitidine (Zantac).

This list is not complete and there are many other medicines that can interact with atazanavir. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor. Keep a list with you of all the medicines you use and show this list to any doctor or other healthcare provider who treats you.

Where can I get more information?

Your pharmacist can provide more information about atazanavir.

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.

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