Can i take morphine with pulmonary hypertension?

Yes I believe so: Morphine, while an opiod analgesic and anxiolytic, it is know to cause venodilatation and vasodilatation and so ought not to be deleterious in pulmonary hypertertension.

You can: While not a staple for the treatment of pulmonary hypertension, it might actually help with associated shortness of breath related to some pulmonary vascular vasodilation. The reason to avoid it, is if there is worry about decreasing respiratory drive. If this is the case, morphine can be undesirable.

Lordy YES!: there would be the same issues with morphine in any case: addiction, respiratory depression if large amounts are taken and in patients in whom there are other issues with sedation (the sedation of the morphine, especially with other sedatives can make breathing issues) BUT fundamentally, yes, it is even used to lower pulmonary hypertension in contexts such as acute heart attack pain.