in India these full strength tablets are an exact copy of high strength
Viagra containing exactly the same maximum dosage of 100 mgs of
Sidenafil Citrate. The only difference is the price.
not exceed the maximum dosage which is one 100mg tablet in any 24 hour
period. It is effective up to 4 hours.
Do not take Viagra if you are taking any nitrate based prescribed
medication or have serious heart or blood pressure condition. If in any
doubt consult your physician.