Pleural effusion due to heart issues.

Hello sir, My grandfather (age 76 ) has pleural effusion due to heart failure.He had pleural tapping but the fluid accumulated again.He has shortness of breath and appetite loss.His condition worsens at night.He is not able to sleep at night due to shortness of breath. Doctor has prescribed these medicines- dytor 10mg atorvastatin tablets nitroglycerin controlled release tablets metoprolol tartrate tablets aspirin tablets i.p. 150 mg tamsulosin hydrochloride prolonged release capsules tiotropium bromide mh ip 9 mcg/ dose inhaler salmeterol and fluticasone propionate powder for inhalation i.p. Fluid analysis was done but the reports are normal and there is predominantly lymphocytes against a background of RBC .I am attaching the xray of  10/3/24(before Pleural tapping) What can we opt other than medications which is safe at this age?and what should we do for his shortness of breath at night?,he is not able to sleep at night