I have a sore throat, runny nose, and cough. My ears feel clogged. I don't…

I have a sore throat, runny nose, and cough. My ears feel clogged. I don't have a fever. We are breastfeeding, so I don't know what to take. I gargle with water and rinse my nose. I also use Viferon suppositories. Can you suggest anything else?