Ahmad, a survivor of chemical warfare during the Iran–Iraq war of 1980-88, has already had more than 50 operations on his eyes. He uses multiple inhalers every day to alleviate the pain from his lungs, 60% of which were burned, and he takes a multitude of pills just to stay alive.

http://www.theguardian.com/world/iran-blog/2013/sep/02/iran-chemical-weapons-wmd-sanctions

His story, which exemplifies the consequences of warfare conducted with weapons of mass destruction, is complicated by the fact that western sanctions against Iran have added an additional layer to the suffering: the shortage of medicine.

Doctors Matthias Jochheim of Germany and Gunnar Westberg of Sweden decided to take action to get vital medicines into Iran after they saw first-hand how the sanctions regime was causing critical pharmaceutical shortages in the country.