Contraindications Viagra is contraindicated in patients taking another medicine to treat impotence or using a nitrate drug for chest pain or heart problems. This medicine should not be taken by women and children as well as in patients with a known hypersensitivity to any component of the tablet.
Possible side effect The most common side effects are headache, flushing, heartburn, stomach upset, nasal stuffiness, lightheadedness, dizziness or diarrhea. A serious allergic reaction to this drug is very rare, but seek immediate medical help if it occurs. severe headache after taking viagra http://men-viagra.us/ - men viagra super viagra plus http://pillsviagra.us/ - viagra viagra canadian pharmacy generic http://www.aoglb.com/viagra-online-generic - viagra online viagra ingyen minta http://johnshanks.com/viagra-for-us/ - viagra for us efeitos colaterais viagra 50mg Many people using this medicine do not have serious side effects. In case you notice any side effects not listed above, contact your doctor or pharmacist.
Drug interaction This drug should not be used with nitrates and recreational drugs called "poppers" containing amyl or butyl nitrite; alpha-blocker medications; other medications for impotence; high blood pressure medicines, etc. Consult your doctor or pharmacist for more details. ---------------------------------------