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HomeAnswersInfectious Diseaseschronic feverWhat are the possible causes for persistent fever for more than three days?

My father is having persistent fever for five days with COVID-19 symptoms. Kindly help.

The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

iCliniq medical review team

Published At May 11, 2021
Reviewed AtJuly 17, 2023

Patient's Query

Hello doctor,

My father is a 61-year-old, and he started having symptoms of COVID-19 before nine days. His blood reports and HRCT report (4/25) before three days came normal. The only major problem is that he is having fever for the past five days (average 101 degrees Fahrenheit), his oxygen level is around 96 %, and he does not suffer from any known morbidity. Can you please tell me how to reduce his fever?


Welcome to icliniq.com.

Before proceeding to the treatment, I would like to know few details:

  1. Is the oxygen saturation dropping from 98 or 99 to 96?
  2. Is he having any other symptoms like loss of smell or taste, cough, or breathlessness?

Kindly get back to me with the above-asked details so that I can help you with your problem.

Patient's Query

Hello doctor,

Thank you for the reply. His oxygen saturation is stable at 96 and is not fluctuating. Other than fever, the only symptom he has is cough, but it is rare. It is only present for a short duration in the morning when he wakes up. He does not have any other symptoms. Please convey with regards to the fever.


Welcome back to icliniq.com.

Do not worry, and do not panic. Your father will be alright soon. Based on the symptoms, it is a respiratory infection due to some microbial etiology, which may also be due to COVID-19 (as we are in a COVID pandemic, we can not miss it). Kindly follow my advice:

  1. Measure the body temperature and SpO2 once in six hours.
  2. Keep your father in a positive and motivating ambience.
  3. Good bed rest is mandatory now.
  4. Tablet Azithromycin 500 mg one tablet in the morning after food for five days.
  5. Tablet Combiflam (Ibuprofen 400 mg and Paracetamol 325 mg) one tablet in the morning, afternoon, and night after food for five days. (If your father is allergic to Ibuprofen, he can take tablet Paracetamol 650 mg instead of tablet Combiflam)
  6. Tablet Montek LC 10 mg (Levocetirizine 5 mg and Montelukast 10 mg) one tablet in the morning and night after food for days.
  7. Tablet Limcee 500 (Vitamin C) one tablet in the morning after food (chewable) for five days.
  8. Tablet Nurokind D3 (Mecobalamin, Alpa lipoic acid, Vitamin D3, Pyridoxine hydrochloride, and Folic acid) one tablet in the afternoon after food for five days.
  9. Syrup Ascoril LS (Ambroxol 30 mg/5 ml, Levosalbutamol 1 mg/5 ml, Guaifenesin 50 mg/ 5 ml) 5ml in the morning, afternoon, evening, and night for five days.
  10. Tablet Pan 40 (Pantoprazole) one tablet in the morning, 30 minutes before food for five days.
  11. Alex or Tusq-D (Amylmetacresol 0.5 mg, Dextromethorphan, Hydrobromide 5mg) lozenges. Sip five to six lozenges per day.
  12. Keep tablet Dexamethasone 2 mg and Budecort 200 inhaler (Budesonide 200 mcg) ready to use if SpO2 becomes less than 90. (Do not use these two if SpO2 is above 90)
  13. Give him food rich in Vitamin A, Vitamin C, Vitamin B12, and Vitamin D3. Include protein-rich food like egg, milk, dhal. Include flavonoids containing food like green tea. Give milk with turmeric, crushed pepper, and crushed ginger twice a day. All this food will help our body and immune system to recover from infections.
  14. Measure the SpO2 even in the nighttime and while your father is sleeping. If it drops, make him sit and lean forward.

Breathing exercise four times a day.

Exercise 1 - Pursed lip breathing - Deep inhale through the nose and keep the mouth in the pouting position and exhale out slowly. Repeat the cycle for few times.

Exercise 2 - Buy a respirometer and use it. You need to inhale through the mouth part provided in the respirometer and inhale, such that the balls inside the respirometer will raise one by one.

Exercise 3 - Breath-holding exercise - Inhale for three seconds, hold the breath for four seconds and exhale for five seconds.

Give frequent warm water sips and keep him hydrated, and do not get stressed up. Your father will recover soon. Take care.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. N. Ashok Viswanath
Dr. N. Ashok Viswanath

Infectious Diseases

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