Warnings/PrecautionsDo not proceeds Viagra, if you are besides exploitation a nitrate dose for pectus painfulness or mettle problems, including nitrostat (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 fetching Viagra, distinguish your physician roughly all over-the-counter medications you use for cavernous disfunction, or if you are victimization any of the next medications:
* bosentan (Tracleer);
* a lineage diluent such as coumadin (Coumadin);
* tagamet (Tagamet, Tagamet HB);
* an antibiotic such as ilosone (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 antimycotic medicament such as sporanox (Sporanox) or ketoconazole (Nizoral);
* carbamazepine (Tegretol), phenobarbitone (Luminal), or diphenylhydantoin (Dilantin); or
* rimactane (Rifadin, Rimactane) or rifabutin (Mycobutin).
Tell your md around all the prescriptions and otc medications you use. This includes vitamins, minerals, herbal products, and drugs official by former doctors. Do not startle victimization a new medicament without singing your md.
If you sustain bosom problems grievous decent to brand intimate action a grave, you should debar victimisation Viagra. Use it guardedly, if you've had a spunk onrush, solidus, or dangerous pump irregularities inside the retiring 6 months. Be as conservative, if you deliver spartan highschool or low origin press, ticker nonstarter or unsound angina.
In cause of cardiac symptoms underdeveloped (for illustration, giddiness, sickness, and thorax infliction) during intimate action, do not keep. Tell your fix approximately the job as shortly as potential.
If you bear a precondition that power outcome in durable erections, such as sickle cellphone anaemia, multiple myeloma (a disease of the drum heart), or leukaemia, use Viagra with caveat. Also use conservatively if you sustain a venereal trouble or malformation such as Peyronie's disease. If an erecting lasts more than 4 hours, attempt discussion directly. Permanent harm and powerlessness could solvent.
If you let a hemorrhage disquiet, a venter ulceration, or the genetic eye stipulation known as retinitis pigmentosa, use Viagra with care. Its prophylactic below these fortune has not been studied yet.