Why do I need a pleural fluid analysis?You may need this test if you have symptoms of pleural effusion. These include:Chest painDry, nonproductive cough (a cough that doesn't bring up mucus)Trouble breathingFatigueSome people with pleural effusion don't have symptoms right away. But your provider may order this test if you've had a chest x-ray for another reason, and it shows signs of pleural effusion.
