In my first pregnancy with a cold, what helped me tremendously was putting vicks vapor rub on my
chest and feet (cover with socks), used a
humidifier/aromatherapy mist and added eucalyptus, lavender, pine and peppermint oil, drank lots of electrolyte water (couldnt have orange juice due to acid reflux), steamed the bathroom several times a day (released head pressure and expelled.