Can't spit out flem

If you're unable to spit out phlegm, it could be due to thick mucus caused by dehydration, Allergies, or a respiratory infection. Staying hydrated and using a humidifier may help thin the mucus. Over-the-counter expectorants can also assist in loosening phlegm. If the problem persists or is accompanied by other concerning symptoms, it's best to consult a healthcare professional.