Viagra is used when it’s needed, so it’s unlikely to miss a dose. If you think you have overdosed the medicine seek emergency medical help at once. The overdose symptoms are chest pain, nausea, irregular heartbeat, and feeling light-headed or fainting. Store the medicine at room temperature between 68-77 degrees F (20-25 degrees C) away from light and moisture. Do not store the drugs in the bathroom. Keep all drugs away from reach of children and pets.
John Clark, former deputy assistant secretary for the U.S. Immigration and Customs Enforcement agency and now chief security officer and vice president of global security for Pfizer pharmaceuticals, explained that 78 counterfeit Pfizer medications have been found in 109 countries. Take this medicine by mouth with a glass of water. The dose is usually taken 1 hour before sexual activity. You should not take the dose more than once per day. Do not take your medicine more often than directed. Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once. NOTE: This medicine is only for you. Do not share this medicine with others.
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“The fastest growing drug class in the world is counterfeit drugs,” Goldstein said. “It’s not just the phosphodiesterase 5 (PDE5) inhibitors [like sildenafil], but they are the vast bulk. It’s a huge problem.” Viagra is Pfizer’s most counterfeited drug. In 2011, the company evaluated 22 websites appearing in the top search results for the phrase “buy Viagra” and conducted chemical analysis of the drugs advertised as Viagra. Pfizer found that 80% of the drugs were counterfeit and contained only 30% to 50% of sildenafil citrate, Viagra’s active ingredient.
In addition to containing the wrong active ingredient or incorrect amounts of that ingredient, counterfeits are often “manufactured in filthy and deplorable conditions” and may include “potentially dangerous contaminants” said Matthew Bassiur, Vice President of Pfizer Global Security, in a news release. “Samples of counterfeit Viagra tested by our labs have contained pesticides, wallboard, commercial paint, and printer ink,” Bassiur continued.