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.
Decongestants, Expectorants, and Antihistamines. Women commonly use cold medications during pregnancy. These medications, like most of the other OTC drugs, have not been studied well in pregnancy (Table 3) . 9, 10 As a result, some physicians are disinclined to recommend any treatment for the common cold.econgestants, Expectorants, and Antihistamines. Women commonly use cold medications during pregnancy. These medications, like most of the other OTC drugs, have not been studied well in pregnancy (Table 3) . 9, 10 As a result, some physicians are disinclined to recommend any treatment for the common cold.