CardiovascularA review of population subgroups demonstrated efficacy regardless of baseline severity, etiology, race and age. Viagra was effective in a broad range of ED patients, including those with a history of coronary artery disease, hypertension, other cardiac disease, peripheral vascular disease, diabetes mellitus, depression, coronary artery bypass graft (CABG), radical prostatectomy, transurethral resection of the prostate (TURP) and spinal cord injury, and in patients taking antidepressants/antipsychotics and anti-hypertensives/diuretics. when should i take viagra Physicians should discuss with patients the contraindication of Viagra with use of guanylate cyclase stimulators such as riociguat [see Contraindications (4.3)].
Urogenital: increase in erection, priapism? an unusual or allergic reaction to sildenafil, other medicines, foods, dyes, or preservatives?sudden severe loss of vision (see below for more information)
Keep your regular appointments with your doctor so your progress can be monitored. If you feel the tablets are too strong for you, discuss this with your doctor. If you do not get an erection after taking tadalafil, or if it does not last long enough for you to have sex, discuss this with your doctor - do not take more tablets than you have been told to.Viagra (sildenafil) works by inhibiting the chemical phosphodiesterase, which leads to an increase in the effect of nitric oxide. Nitric oxide allows the smooth muscles inside the penis to relax, promoting more blood flow to the area during sexual arousal or stimulation. Nitric oxide also opens the blood vessels throughout the body, which can cause decreased blood pressure. This decrease in blood pressure may increase the effects of blood-pressure lowering drugs, especially alpha-blockers, such as terazosin (Hytrin), doxazosin (Cardura), and prazosin (Minipress). Patients with cardiovascular disease could have additional side effects from Viagra, especially in combination with sexual activity. Other common side effects of Viagra include warmth or redness in your face, neck, or chest; stuffy nose; headache; upset stomach; and back pain. More serious, but less frequent side effects include prolonged erection lasting more than 4 hours, vision changes, and loss of hearing. If these occur, you should contact your health care provider. viagra and cocaine VIAGRA can cause serious side effects. Rarely reported side effects include:(N=248) Tadalafil 2.5 mg Color vision changes, such as seeing a blue tinge to objects or having difficulty telling the difference between the colors blue and green.Table 4: Treatment-Emergent Adverse Reactions Reported by ≥1% of Patients Treated with Cialis for Once Daily Use (5 mg) and More Frequent on Drug than Placebo in Three Placebo-Controlled Clinical Studies of 12 Weeks Treatment Duration, including Two Studies for Cialis for Once Daily Use for BPH and One Study for ED and BPH Adverse Reaction Placebo
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Frequency not reported: Non-arteritic anterior ischemic optic neuropathy (NAION), retinal vascular occlusion, visual field defect, cataract[Ref]
Impairment of Fertility maker of viagra Crixivan (indinavir sulfate) is a trademark of Merck & Co., Inc.In clinical studies, Viagra was assessed for its effect on the ability of men with erectile dysfunction (ED) to engage in sexual activity and in many cases specifically on the ability to achieve and maintain an erection sufficient for satisfactory sexual activity. Viagra was evaluated primarily at doses of 25 mg, 50 mg and 100 mg in 21 randomized, double-blind, placebo-controlled trials of up to 6 months in duration, using a variety of study designs (fixed dose, titration, parallel, crossover). Viagra was administered to more than 3,000 patients aged 19 to 87 years, with ED of various etiologies (organic, psychogenic, mixed) with a mean duration of 5 years. Viagra demonstrated statistically significant improvement compared to placebo in all 21 studies. The studies that established benefit demonstrated improvements in success rates for sexual intercourse compared with placebo.Generic Cialis can be taken with alcohol.
ED is a condition where the penis does not harden and expand when a man is sexually excited, or when he cannot keep an erection. A man who has trouble getting or keeping an erection should see his doctor for help if the condition bothers him. Levitra may help a man with ED get and keep an erection when he is sexually excited.POLYETHYLENE GLYCOLS
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