How to cure Moraxella catarrhalis infection?

Q. How to cure Moraxella catarrhalis infection?

Answered by
Dr. Uphar Gupta
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Nov 11, 2017 and last reviewed on: Aug 16, 2023

Hi doctor,

My daughter is 2 years old. Eight months before, she had ear discharge. It was diagnosed as acute otitis media and she was treated with antibiotics such as Lindacin, etc. A week after the completion of antibiotics, again she had the same problem for about three months. Then, the ENT specialist decided to clean the mastoid. Since then, she has been getting fever once in every month. It has been six months now and the 6th time she is taking antibiotics. The blood results are always showing that there is a bacteria, but never detected the location. The fever goes up to 40 and 40.1 degree Celsius. In addition, Paracetamol does not lower the fever and Ibuprofen keeps her only three hours. So, I normally do the rotation with Voltaren. We recently got a strep test for mouth, ear and nose. The nose strep had a bacteria called Moraxella catarrhalis. Would this bacteria cause such a problem? Would the CRP be so high due to this? How is it possible that such bacteria was not cured taking so many antibiotics for such a long time? Can you please advise me what should I do further? I am really worried.



Welcome to

The thing is Moraxella catarrhalis infects primarily in childhood and is very virulent and highly drug resistant. Treatment for the same is quite difficult and frankly speaking very long drawn, requiring surgical debridement in many cases. This can raise CRP very high indeed.

Treatment plan:

Co-trimoxazole and Tetracyclines are the drugs of choice in Moraxella catarrhalis as the rate of resistance to these agents is currently less.

Regarding follow up:

For further information consult a general medicine physician online.--->

Thank you doctor,

Is the fever caused by Moraxella catarrhalis? What should I do for this?



Welcome back to

Yes, it may. Like any other infection, Moraxella also can induce inflammatory response and fever. Antibiotics, Paracetamol and fluids will help. Consult your specialist doctor, discuss with him or her and take the appropriate antibiotic.

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