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.
@alisha-- All menthol cough drops are the same so I get the generic brand because that's cheaper. I don't think the herbal cough drops have menthol in it at all, so make sure to check the ingredients for menthol. I tried herbal cough drops and it did nothing for my sore throat.