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.
This medicine contains an expectorant and decongestant to relieve the symptoms of catarrh, chesty coughs, blocked nose and sinuses, without causing drowsiness. For children, simple treatments should be tried first before you give this medicine.his medicine contains an expectorant and decongestant to relieve the symptoms of catarrh, chesty coughs, blocked nose and sinuses, without causing drowsiness. For children, simple treatments should be tried first before you give this medicine.