Baby cold

Christina
My DS is almost 5 months and has come down with his first cold (or maybe allergies??). Runny nose, cough, and sneezing. No fever so far. He slept terrible last night I'm assuming because he couldn't breathe out of his nose very well. I have a humidifier and I'm going to get the nose frida today. Any other suggestions to help his poor guy feel better? Thank you!