Looking on the internet deeply has found these results:

i am suffering from fever is the most popular phrase on the web.

i am suffering with fever 17,920 results on the web	i am suffering from fever 162,200 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	We are not suffering from gold fever. He's suffering from a fever. Perhaps I am suffering from loneliness of being in a new land. I am suffering from alcoholism and depression. My comrade is suffering from a severe fever... but he clutches the document in his trembling hands... and waits for me. The victim was suffering from hemorrhagic fever, and the killer is probably infected. It looks like he's suffering from brain fever. Although, clearly, I am suffering from separation anxiety.

i am suffering with fever

17,920 results on the web

i am suffering from fever

162,200 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

We are not suffering from gold fever.
He's suffering from a fever.
Perhaps I am suffering from loneliness of being in a new land.
I am suffering from alcoholism and depression.
My comrade is suffering from a severe fever... but he clutches the document in his trembling hands... and waits for me.
The victim was suffering from hemorrhagic fever, and the killer is probably infected.
It looks like he's suffering from brain fever.
Although, clearly, I am suffering from separation anxiety.