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.
Robitussin (dextromethorphan) and Robitussin DM cough syrups. plain cough syrup. menthol rub on your chest, temples, and under the nose. nasal strips (sticky pads that open congested airways) cough drops or lozenges. Tylenol (acetaminophen) for aches, pains, and fevers. cough suppressant at night.