What is Generic Ranexa (Ranolazine ER) 500mg?
Generic Ranexa (Ranolazine ER) 500mg is an anti-anginal medication. It works by improving blood flow to help the heart work more efficiently.Generic Ranexa (Ranolazine ER) 500mg is used to treat chronic angina (chronic chest pain). It may be used with beta-blockers, nitrates, calcium channel blockers, anti-platelet therapy, lipid-lowering therapy, ACE inhibitors, and angiotensin receptor blockers.Generic Ranexa (Ranolazine ER) 500mg may also be used for other purposes not listed in this medication guide.

Important information about Generic Ranexa (Ranolazine ER) 500mg
You should not take Generic Ranexa (Ranolazine ER) 500mg if you have liver disease. Generic Ranexa (Ranolazine ER) 500mg should not be taken together with certain medicines to treat heart rhythm disorders, infections, HIV or AIDS, seizures, mental illness, pain, cancer, or stomach disorders. Before you take Generic Ranexa (Ranolazine ER) 500mg, tell your doctor about all other medications you are using.Generic Ranexa (Ranolazine ER) 500mg is not for use during an acute (emergency) attack of angina. Continue using any other medicines prescribed by your doctor (such as nitroglycerin) to treat acute angina.Before you take Generic Ranexa (Ranolazine ER) 500mg, tell your doctor about all of your medical conditions, especially if you have a personal or family history of "Long QT syndrome." Also tell your doctor about all other medications you use regularly.Do not crush, chew, break, or open a controlled-release, delayed-release, or extended-release tablet or capsule. Swallow it whole. Breaking or opening the pill may cause too much of the drug to be released at one time.Chronic angina is often treated with a combination of different drugs. To best treat your condition, use all of your medications as directed by your doctor. Do not change your doses or medication schedule without advice from your doctor.

Before taking Generic Ranexa (Ranolazine ER) 500mg
You should not take Generic Ranexa (Ranolazine ER) 500mg if you have liver disease. Generic Ranexa (Ranolazine ER) 500mg should not be taken together with certain medicines to treat heart rhythm disorders, infections, HIV or AIDS, seizures, mental illness, pain, cancer, or stomach disorders. Before you take Generic Ranexa (Ranolazine ER) 500mg, tell your doctor about all other medications you are using.Generic Ranexa (Ranolazine ER) 500mg is not for use during an acute (emergency) attack of angina. Continue using any other medicines prescribed by your doctor (such as nitroglycerin) to treat acute angina.If you have certain conditions or take certain medications, you may need a dose adjustment or special tests to safely use this medication. Before you take Generic Ranexa (Ranolazine ER) 500mg, tell your doctor about all of your medical conditions, especially if you have a personal or family history of "Long QT syndrome." Also tell your doctor about all other medications you use regularly.FDA pregnancy category C. It is not known whether Generic Ranexa (Ranolazine ER) 500mg will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication. It is not known if ranolazine passes into breast milk or if it could harm a nursing baby. Do not use Generic Ranexa (Ranolazine ER) 500mg without telling your doctor if you are breast-feeding a baby.

How should I take Generic Ranexa (Ranolazine ER) 500mg?
Take Generic Ranexa (Ranolazine ER) 500mg exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.Generic Ranexa (Ranolazine ER) 500mg may be taken with or without food.Chronic angina is often treated with a combination of different drugs. To best treat your condition, use all of your medications as directed by your doctor. Do not change your doses or medication schedule without advice from your doctor.Do not crush, chew, break, or open a controlled-release, delayed-release, or extended-release tablet or capsule. Swallow it whole. Breaking or opening the pill may cause too much of the drug to be released at one time. Do not take more than 1000 milligrams of Generic Ranexa (Ranolazine ER) 500mg two times per day. Store Generic Ranexa (Ranolazine ER) 500mg at room temperature away from moisture and heat.

What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose.Do not take extra medicine to make up the missed dose.

What happens if I overdose?
Overdose can cause nausea, vomiting, numbness or tingling, dizziness, blurred vision, confusion, or fainting.
What should I avoid while taking Generic Ranexa (Ranolazine ER) 500mg?
Generic Ranexa (Ranolazine ER) 500mg may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.Grapefruit and grapefruit juice may interact with Generic Ranexa (Ranolazine ER) 500mg and lead to potentially dangerous effects. Discuss the use of grapefruit products with your doctor. Do not increase or decrease the amount of grapefruit products in your diet without first talking to your doctor.

Side effects of  Generic Ranexa (Ranolazine ER) 500mg 
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:
feeling like you might pass out;swelling in your hands, ankles, or feet;slow, fast, or pounding heartbeats;tremors or shaking;blood in your urine;urinating less than usual or not at all;shortness of breath; orskin rash, bruising, severe tingling, numbness, pain, and muscle weakness.

Less serious Generic Ranexa (Ranolazine ER) 500mg side effects may include:
mild dizziness, spinning sensation, headache;dry mouth;mild nausea, vomiting, stomach pain, constipation;weakness; orringing in your ears.This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. 
What other drugs will affect Generic Ranexa (Ranolazine ER) 500mg?
Many drugs can interact with Generic Ranexa (Ranolazine ER) 500mg. Below is just a partial list. Tell your doctor if you are using:
aprepitant (Emend);cyclosporine (Neoral, Sandimmune, Gengraf);digoxin (Lanoxin);diltiazem (Cartia, Cardizem) or verapamil (Verelan, Calan, Isoptin, Covera);itraconazole (Sporanox), ketoconazole (Nizoral);seizure medicine such as carbamazepine (Carbatrol, Tegretol), phenytoin (Dilantin);simvastatin (Zocor);
an antibiotic such as azithromycin (Zithromax), clarithromycin (Biaxin), erythromycin (E-Mycin, E.E.S., Ery-Tab), rifabutin (Mycobutin), rifampin (Rifadin, Rifamate), or rifapentin (Priftin);an antifungal medication such as fluconazole (Diflucan); itraconazole (Sporanox), or ketoconazole (Nizoral);an antidepressant such as amitriptyline (Elavil), doxepin (Adapin, Sinequan), nortriptyline (Aventyl, Pamelor), imipramine (Tofranil), or paroxetine (Paxil);a barbiturate such as amobarbital (Amytal), butabarbital (Butisol), mephobarbital (Mebaral), secobarbital (Seconal), or phenobarbital (Solfoton);medicine to treat a mental illness, such as thioridazine (Mellaril), ziprasidone (Geodon);heart rhythm medicine such as amiodarone (Cordarone, Pacerone), quinidine (Cardioquin, Quinidex, Quinaglute), dofetilide (Tikosyn), sotalol (Betapace, Sorine); orHIV medicines such as tipranavir (Aptivus), indinavir (Crixivan), saquinavir (Invirase, Fortovase), lopinavir/ritonavir (Kaletra), fosamprenavir (Lexiva), ritonavir (Norvir), atazanavir (Reyataz), or nelfinavir (Viracept).