Warnings/PrecautionsBe careful to use it, if you have a heart attack, stroke or life-threatening heart violations in the past 6 months. Permanent damage that can lead to impotence. Under these conditions, its safety has not been studied. If the erection lasts longer than 4 hours, seek treatment immediately. This includes vitamins, minerals, herbal products, and provide other drugs by medical practitioners. The same caution, if you have severe high or low blood pressure, heart failure or unstable angina.
If you have a condition that can lead to prolonged erection, sickle cell anemia, multiple myeloma (bone marrow disease), or leukemia, use Zenegra caution. You can also use caution if you have questions or genital malformations, such as Peyronie's disease. Tell your doctor about the problem as soon as possible. Do not start using a new treatment, let your doctor. Tell your doctor of all prescription drugs and retail drug use.
You take Zenegra, tell the doctor all of your use of other drugs to treat erectile dysfunction, or if you use any of the following drugs:
- Bosentan (Tracleer);
- Blood, more subtle, such as warfarin (Coumadin);
- Cimetidine (Tagamet, Tagamet HB);
- Antibiotics such as erythromycin (E-ADM, Eryc, erythromycin - Tab key) or clarithromycin (Biaxin) for;
- Doxazosin (Cardura), prazozyn (MINIPRESS), terazosin (Hytrin);
- HIV medicines such as amprenavir (Agenerase), tipranavira (Aptivus), darunavir (Prezista), Efavirents (sustyva), nevirapine (nevirapine), indynavir (Crixivan), sakvinavir (Invirase, Fortovaza), lopinavir / ritonavir Wei (Kaletra's), fosamprenavir (Lexiva), ritonavir (Norvir), Atazanavir (Reyataz), or nelfinavir (Viracept);
- Antimicrobial drugs such as itraconazole (Sporanox) or ketoconazole (Nizoral);
- Carbamazepine (Tegretol), phenobarbital (lyuminal) or phenytoin (PHT); or
- Rifampin (Rifadin, Rimactane) or ryfabutynu (Mycobutin).
If you have a clotting disorder, stomach ulcers, or inherited eye disease called pigment retynit, Zenegra be used with caution. Do not Zenegra, if you use nitrate drugs chest pain or heart problems, including nitroglycerin (Nitrostat, Nitrolingual, Nitro Toure nitro bid, Minitran, Deponit, Transderm - Nitro), isosorbide mononitrate (Dilatrate - Jane , Isordil, Sorbitrate), isosorbide mononitrate, and (Imdur, Ismail, Monoket), or recreational drugs such as amilnitrat or nitrite ("bottles").
If cardiac symptoms develop (such as dizziness, nausea, chest pain) during sexual activity, do not continue.
If you have heart problems severe enough to make sexual activity is dangerous, be careful to avoid Zenegra.