'is drastically increasing' is a perfectly correct and usable phrase in written English.
You could use it in a sentence such as, "The cost of living is drastically increasing and placing a strain on families."
Due to recent technological development, the amount of data generated by internet, social networking sites, sensor networks, healthcare applications, and many other companies, is drastically increasing day by day.
To respond to these demands, the density of the deployed Wi-Fi networks is drastically increasing in all the deployment scenarios: indoor or outdoor public hotspots, business offices, and private residences.
There are currently over 16 million Asian Americans and Pacific Islanders in the US, and our community's rate of naturalization and political participation is drastically increasing.
With tensions in Eastern Europe increasing, and paranoia that Russia will move to expand its territory into the Baltics, NATO is drastically increasing its presence in Lithuania, Poland, Latvia, and Estonia.
To get a single pound of beef, it takes over 5,000 gallons of water – as the number one consumer of freshwater in the world, animal agriculture is drastically increasing the problem of water scarcity.
Humans are living longer; the traditional professions disappear while new ones are created; international mobility is drastically increasing population diversity; terrorism, environmental threats and inequality need our collective attention; and robots and gene editing are coming, requiring us to re-examine the very core of what it means to be human.
In comparison with case (2), the customer satisfaction is drastically increased by 77.37 % in the case (3) for the increase of 11.5 % of the cost of the refrigerator.
In the present study, we show that interleukin-10 (IL-10) production by dendritic cells (DCs) is drastically increased during acute infection with FMDV in swine.
