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.
Is Mucinex (guaifenesin) safe during pregnancy? Mucinex (generic name guaifenesin) is an oral cough, cold, sinus and allergy medication, expectorant and decongestant usually considered safe in the second and third trimesters. However, the over-the-counter drug should be avoided in the first trimester due to potential risks to the growing fetus [1].