Q. Can recurrent high fever in old people lead to any serious issue?

Answered by Dr. Muhammad M. Hanif Md. and medically reviewed by iCliniq medical review team.


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Hi doctor,

My father suffered from high fever over last week and he was alright. But today again he is feeling a mild rise in his temperature. Is this anything serious?

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Dr. Muhammad M. Hanif Md.
Cardiology, Critical Care Physician, General Medicine, Internal Medicine


Welcome to icliniq.com.

I want to assure you that do not worry as everything is going to be fine soon. I have thoroughly gone through your case and can well understand your genuine concerns.

The Probable causes:

Fever is just a symptom of other illnesses like infection, inflammation etc. So, we have to rule out some basic infections possible in him. Also some background of your father's overall health is needed.

Please answer the following questions to assist him in the best possible way:-
1. Does he have or had any of the following symptoms in the last week, the symptoms include sore throat, neck glands enlargement or enlarged lymph nodes?
2. Did he experience any painful urination, frequent urination or urge to urinate even after coming from restroom, all time feeling of bladder fullness as if he needs to urinate?
3. Are there any symptoms of constipation, vomiting, nausea, diarrhea, abdominal pains, cough with/without sputum, nasal discharge, flu, eye redness, etc?
4. Does he have any skin condition/disease?
5. Is he diabetic or hypertensive? Whether he takes any regular medication? If yes, then please mention it.
6. Is there any allergic history for food or medication?
7. Is he a known hepatitis patient?
8. Does he have any gallbladder issues or history of kidney stones?

Treatment plan:

Treatment will be decided with follow-up details.


Hi doctor,

My father is a 63 year old man with no notable illness. He did not have sore throat or neck lymph node enlargement. He is not experiencing any painful urination. There is no urge to urinate and no bladder fullness too. He did not have the symptoms of constipation, vomiting, nausea or abdominal pain. There is no nasal discharge or eye redness but mild dry cough is present.

He is not suffering from any skin disease. There is no past medical history to explain such as diabetes, allergy, gall issues, and kidney stones. His blood pressure is 120/80 and he is not on any regular medication. He is little fat with belly and little high cholesterol but remains fit usually. This time he got fever twice in two weeks and so I am worried.


Dr. Muhammad M. Hanif Md.
Cardiology, Critical Care Physician, General Medicine, Internal Medicine


Welcome back to icliniq.com.

I appreciate for the details provided.

The Probable causes:

Such kind of fever needs regular monitoring with a thermometer. Sometimes there is only a subjective feeling of fever but on thermometer it comes normal. If it comes up to 101 degrees Fahrenheit it is of some consideration.
We will definitely do some blood work that is necessary to rule out the hidden cause of this fever and to save him from any illness that may lead to problems later on.

Investigations to be done:

1. Complete blood count with ESR (erythrocyte sedimentation rate) and differentials.
2. HBsAg (hepatitis B surface antigen) and anti-HCV (hepatitis C virus) (ELISA-enzyme-linked immunosorbent assay).
3. The hs-CRP levels (high-sensitivity C-reactive protein).

Treatment plan:

1. Tablet Tylenol (Acetaminophen) by mouth three times a day.
2. If cough persist, then over-the-counter available cough syrup.
3. Tablet Prednisone 5 mg twice daily for 7 days.
4. Capsule Omeprazole 20 mg before breakfast.

Preventive measures:

1. Avoid strenuous physical activity and do rest for fast recovery.
2. Follow up after a week for evaluation and upload the laboratory results too.

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