Zaid Alsalami, Shaykh Dr Zaid Alsalami is an Iraqi born scholar, raised in Australia. He obtained a BA from Al-Mustafa University, Qom, and an MA from the Islamic College in London. He also obtained a PhD from... Answered 6 years ago
Bismihi ta'ala
No, it is not makruh to swallow phlegm.
And Allah knows best.