Warnings/PrecautionsDo not issue Viagra, if you are besides exploitation a nitrate dose for pectus painfulness or mettle problems, including nitroglycerine (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, Minitran, Deponit, Transderm-Nitro), isordil dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isordil mononitrate (Imdur, ISMO, Monoket), or unpaid drugs such as amyl nitrate or nitrite ("poppers").
Before pickings Viagra, distinguish your bushel roughly all early medications you use for cavernous disfunction, or if you are victimisation any of the followers medications:
* bosentan (Tracleer);
* a parentage dilutant such as coumadin (Coumadin);
* tagamet (Tagamet, Tagamet HB);
* an antibiotic such as pediamycin (E-Mycin, Eryc, Ery-Tab) or clarithromycin (Biaxin);
* cardura (Cardura), minipress (Minipress), Terazosin (Hytrin);
* HIV medicines such as amprenavir (Agenerase), tipranavir (Aptivus), darunavir (Prezista), efavirenz (Sustiva), viramune (Viramune), crixivan (Crixivan), invirase (Invirase, Fortovase), lopinavir/ritonavir (Kaletra), fosamprenavir (Lexiva), norvir (Norvir), atazanavir (Reyataz), or viracept (Viracept);
* an fungicidal medicament such as sporanox (Sporanox) or ketoconazole (Nizoral);
* carbamazepine (Tegretol), luminal (Luminal), or diphenylhydantoin (Dilantin); or
* rimactane (Rifadin, Rimactane) or rifabutin (Mycobutin).
Tell your physician some all the prescriptions and otc medications you use. This includes vitamins, minerals, herbal products, and drugs positive by former doctors. Do not startle victimization a new medicament without tattle your fix.
If you deliver ticker problems serious adequate to pee intimate action a serious, you should avert victimization Viagra. Use it guardedly, if you've had a nerve approach, solidus, or grievous mettle irregularities inside the by 6 months. Be evenly conservative, if you deliver grave heights or low parentage imperativeness, mettle nonstarter or fluid angina.
In showcase of cardiac symptoms underdeveloped (for illustration, giddiness, sickness, and breast bother) during intimate activeness, do not extend. Tell your physician around the job as shortly as potential.
If you let a precondition that mightiness resolution in durable erections, such as sickle cubicle anaemia, multiple myeloma (a disease of the debone essence), or leucaemia, use Viagra with caveat. Also use conservatively if you get a venereal job or misshapenness such as Peyronie's disease. If an hard-on lasts more than 4 hours, attempt intervention straightaway. Permanent harm and powerlessness could answer.
If you birth a haemorrhage upset, a abide ulceration, or the transmissible eye stipulation known as retinitis pigmentosa, use Viagra with cautiousness. Its safe below these fortune has not been studied yet.