Not to worry. Cold sometimes can cause temporary loss of smell. Take steam inhalation 2-3 times a day with plain water. For cough drink at least 2.5 litres of warm water daily. Warm water gargles 2-3 times a day. If doesn't get better in 2 days or gets worse. Kindly consult.
Next Steps
steam inhalation with plain water 2-3 times a day
warm salt water gargles 2-3 times a day
warm water to drink at least 2.5 litres a day
Health Tips
avoid cold drinks, ice cream and outside food for the next 4 days. (even after cold and cough is not there so that body's immunity is able to get better)