In obstetrics, the distance between the midline superior point of the sacrum and the upper margin of the symphysis pubis. It is the anteroposterior diameter of the pelvic inlet, estimated by subtracting 1.5 to 2 cm from the measurement of the diagonal conjugate.
1 Promethazine-codeine cough syrup, a medication that contains codeine, an opioid that acts as a cough suppressant and can also produce relaxation and euphoria when consumed at a higher-than-prescribed dose. 2  It also contains promethazine HCl, an antihistamine that additionally acts as a sedative.
The cough medicine I have has Dextromethorphan HBr, USP 15 mg per dose. I also have a bottle of vicks vaporub I'm inhaling but with little effect. I have Mucinex but my lungs feel pretty much clear now (the congested phlegmy phase is past) so I didn't think I needed an expectorant.