Antibiotics won’t help if you have a cold. Take it easy, rest when you feel tired, and drink plenty of water to keep yourself hydrated. A stuffy nose is a nuisance and you can try inhaling steam or using a salt water nasal spray. Or you can ask your pharmacist to recommend a vapour rub that is safe in pregnancy.ou're very likely to pick up a cold at some time during your pregnancy. It's normal to catch between two and four colds a year. Young children get colds even more often, and if you’re around them you may catch colds more frequently (NICE 2011) . It’s not always easy to tell the difference between a cold and the flu.