Viagra and sildenafil are effective treatment options for ED, but they both require a prescription. As a result, you cannot buy them over the counter (OTC) — they require a consultation with a ...
Dosage and cost: Sildenafil is available through Roman by prescription in 25-, 50-, or 100-milligram (mg) pills, ranging in price from $4 to $10 per dose. Brand-name Viagra is also available ...
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