Islamic State militants have reportedly increased their demands for male-enhancement medication in order to satisfy their desire for "brutal and abnormal" sexual behaviors, according to a report from activists in the Syrian city of Raqqa.

The perverted members of the terrorist organization are desperately attempting to secure Viagra to take care of their ferocious lust, the activist group Raqqa Is Being Slaughtered Silently revealed, adding that engaging in savage sex acts have resulted in many women seeking hospital treatment.

"A large section of ISIS members suffer from sexual anomalies and brutal instinctive desire for sex," anonymous doctors told the website.

Aside from taking care of their sexual needs, the supposedly ultra-conservative Islamic extremists spend part of their salary on "kinky underwear" for their wives and for hundreds of young women and children that are kidnapped, forced to get married to terrorists, and sold as sex slaves.

While several families have reportedly fled the city to avoid ISIS' brutal atmosphere, one girl allegedly committed suicide, the New York Post reported. Another kidnapped girl, belonging to the minority Yazidi religious group, said she was among 350 girls transported to Syria and offered for sale "as if in a chicken market."

With ISIS militants raping women on a daily basis, some victims have even begged the activist group to arrange airstrikes on their location to end the suffering, according to firsthand phone conversations held in August.

In 2013, the Syrian city of Raqqa was overrun by ISIS militants, who then turned it into its de facto capital and imposed strict religious law, including carrying out beheadings and crucifications of opponents in the Paradise Square, according to Fox News.

Last year, the terror group kidnapped at least 3,000 women and girls from the areas it controls in Iraq, two British human rights groups reported.