OS X Yosemite and Later. 1  Click the Options button associated with the Keychain service item. 2  Use the Verification number field to change âthe security phone number. Remember the phone number must be associated with a phone that is SMS enabled.â Click the OK button.
Guaifenesin is the active ingredient in many cough medicines, such as Robitussin. It is safe to use in pregnancy. If a pregnant woman has a severe cough that doesn't respond to guaifenesin, her doctor can prescribe codeine and other narcotics.uaifenesin is the active ingredient in many cough medicines, such as Robitussin. It is safe to use in pregnancy. If a pregnant woman has a severe cough that doesn't respond to guaifenesin, her doctor can prescribe codeine and other narcotics.
For a chesty cough with phlegm, expectorants can help you 'cough it up' and ease the cough. An expectorant is a medicine that thins mucus so you can cough it up more easily. The ingredients you will typically see in cough expectorant are guaiphenesin, ammonium chloride, squill, sodium citrate and ipecacuanha.These medicines are unlikely to cause side effects for most people.he combination cold and cough medicine may contain an antihistamine, a decongestant, and a pain reliever in addition to the cough suppressant and/or expectorant. The combination of medicines may give optimal relief if you have multiple cold symptoms, such as sore throat, cough, and congestion.