Looking on the internet deeply has found these results:

As I am suffering from a fever is the most popular phrase on the web.

As I am suffering from fever 140,800 results on the web	As I am suffering from a fever 113,200,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
My comrade is suffering from a severe fever but he clutches the document in his trembling hands... and waits for me. He's suffering from a fever. Although, clearly, I am suffering from separation anxiety. We are not suffering from gold fever. I am suffering from a... [Chuckles] a condition. It looks like he's suffering from brain fever. The victim was suffering from hemorrhagic fever, and the killer is probably infected. Perhaps I am suffering from loneliness of being in a new land.	Perhaps I am suffering from loneliness of being in a new land. It looks like he's suffering from brain fever. Although, clearly, I am suffering from separation anxiety. He's suffering from a fever. I am suffering from a... [Chuckles] a condition. The victim was suffering from hemorrhagic fever, and the killer is probably infected. My comrade is suffering from a severe fever but he clutches the document in his trembling hands... and waits for me. We are not suffering from gold fever.

As I am suffering from fever

140,800 results on the web

As I am suffering from a fever

113,200,000 results on the web

More popular!

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

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