They said 200,000 doses of sildenafil, better known under the Viagra brand name, is to be distributed free of charge through the public health network of the province of Santa Fe.
The drug is being produced in Santa Fe by the state-owned pharmaceutical firm LIFSE, which plans to eventually distributed it nationally.
Sildenafil is a hugely popular vasodilator that is used to treat erectile dysfunction in men.
"The most famous medication in the world for improving the quality of life -- even though no-one is going to lose their life over it -- is the first to be made by the state in Argentina," said Guillermo Cleti, a LIFSE director.