I'm really worried about my mom. She's been coughing for a week, and after we went to see a physician, she was given pulmoclear tablets. But now, after taking them for two days, she's having trouble breathing and feels tightness in her chest. Could this be a side effect of the tablet? Theres no family history of asthma or any breathing issues, and she was perfectly fine before starting the medication. I read somewhere that breathing problems are a rare but serious side effect of pulmoclear. Could this be true?

It's possible that your mother is experiencing a side effect from Pulmoclear, as breathing difficulty and chest tightness can occur, though rarely. I recommend stopping the medication and contacting her physician immediately to discuss her symptoms and explore alternative treatments.