10. One of your 65 yrs old relative presented to you with high grade fever, malaise and cough with rust-coloured sputum. His X-ray shows consolidation in the lower lobe of rt lung. You examined him and found that he is fully oriented, RR 32 b/min, BP 100/70 mmHg. Blood report shows urea 7.6 mmol/L. Which of the following will be your recommendation regarding his treatment?