Viagra - sildenafil, citrate

Effects:

• quick fix erection
• blocked nose
• headache
• red face and chest
• upset stomach
• short lived slight changes in vision
• Rarely: blindness, stroke, heart attack or death

With other drugs:

• HIV drugs: some will increase levels of Viagra in the body
• Poppers: together can cause fatal lowering of blood pressure
• Ecstasy: strain on heart; can cause hard-ons that won't go down needing medical attention within 4 hours
• Cocaine, crystal meth, speed: extra pressure on the heart

Sex on Viagra:

• may cause less sensitivity in the penis
• can make orgasm more difficult

Staying safe:

• check with doctor first if: older, overweight, being treated for heart problems, abnormal blood pressure, on HIV drugs, previous stroke or heart attack, you have glaucoma or diabetes.