Question 1

is necrotising fasciitis caused by gram negative or gram positive bacteria?

Accepted Answer

Both: Necrotising fasciitis is usually caused by a combination of multiple bacteria that support each others growth and spread and causing serious tissue damage.

Question 2

please tell me can gram-negative bacteria test be positive in a catalase test, even if catalase tests are meant for gram-positive bacteria?

Accepted Answer

Catalase enzyme: Yes -many, many bacteria possess catalase. Classically the catalase test was used to distinguish Staph (+) from Strep (-), but there is a long list of bacteria that have it... includin Listeria, C diphtheriae, Burkholderia cepacia, Nocardia, the family Enterobacteriaceae (Citrobacter, E. coli, Enterobacter, Klebsiella, Shigella, Yersinia, Proteus, Salmonella, Serratia), Pseudomonas etc.

Question 3

how would a doctor treat gram positive bacteria and a gram negative bacteria?

Accepted Answer

Infection: You treat the causative bacteria of infection with antibiotics that may be chosen after isolating the particular bacteria and testing to see if it is sensitive to being killed by that antibiotic.

Question 4

generally speaking, do gram positive or gram-negative bacteria cause prostatits/epidymitis infections. generally speaking based off your experience.

Accepted Answer

Both: Both Gram positive and Gram-negative bacteria can cause prostatits/epidymitis. 
But most often they are caused by gram negatives.

Question 5

i have gram positive flora in urine, leukcoytes, blood and bacteria all +1. should i be on antibotic, is this considered a uti.

Accepted Answer

No: You dont mention if you have any symptoms while urinating, this could be a contaminated sample.

Question 6

is bartonella henselae a gram-positive or negative bacteria?

Accepted Answer

Gram negative: Bartonella are small, fastidious, intracellular gram-negative bacteria.

Question 7

hello! in a sputum test, what do moderate gram positive cocci, rare gram positive rods, few gram negative rods mean? my wife has cvid and is very ill.

Accepted Answer

Mgt: An inbox consultation may be made online to better advise. I would suggest a culture of the sputum, including a fungal culture. If your wife is ill, please have a chest imaging study and discuss iv broad spectrum antibiotics with your PCP.

Question 8

my gram stain results: many gram negative rods, few gram positive cocci, strep.-like, rare wbcs. i completed a 10 day course of pcn, i still have s/sx?

Accepted Answer

UTI Rx: Let the doctor who prescribed the penecillin know your symptoms and urinalysis/urine culture results and leave the phone number of your pharmacy so a new prescription can be called in immediately.

Question 9

what does occasional gram positive cocci and rare gram negative rods mean from a sputum culture?

Accepted Answer

: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Talk to the doctor who ordered the tests. Having said that,what you described is not a cause for concern.    
 Wish you good health!

Question 10

please what is the treatment for gram positive cocci and gram negative bacilli?

Accepted Answer

: Much more info needed in order to make a proper reply. This information alone might be entirely normal and not need treatment.

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Doctor answers about:

Gram negative vs gram positive bacteria antibiotics

A member asked:

Is necrotising fasciitis caused by gram negative or gram positive bacteria?

A member asked:

Please tell me can gram-negative bacteria test be positive in a catalase test, even if catalase tests are meant for gram-positive bacteria?

A member asked:

How would a doctor treat gram positive bacteria and a gram negative bacteria?

A member asked:

Generally speaking, do gram positive or gram-negative bacteria cause prostatits/epidymitis infections. generally speaking based off your experience.

A member asked:

I have gram positive flora in urine, leukcoytes, blood and bacteria all +1. should i be on antibotic, is this considered a uti.

A member asked:

Is bartonella henselae a gram-positive or negative bacteria?

A member asked:

Hello! in a sputum test, what do moderate gram positive cocci, rare gram positive rods, few gram negative rods mean? my wife has cvid and is very ill.

A member asked:

My gram stain results: many gram negative rods, few gram positive cocci, strep.-like, rare wbcs. i completed a 10 day course of pcn, i still have s/sx?

A member asked:

What does occasional gram positive cocci and rare gram negative rods mean from a sputum culture?

A member asked:

Please what is the treatment for gram positive cocci and gram negative bacilli?

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