Adenoids in 3.4 year active boy, causing snoring and getting colds very often

Problems: snores when sleeping, sleeps with mouth open and moves a lot,back sleeper, gets sick every 2 weeks, constantly congested with runny nose. Intolerant to cold liquids and food.
The problems started since he started day care. Till 2 years old he was a healthy boy.
Was born mature at 40 weeks gestation, 4 kg, breastfed first year. No other medical problems, no known allergies.
1. Age: 3.4
2. Sex: male
3. Built up: slim, choby till 2 years old, started to loose weight since day care.
4. Complexion: white
5.Country: USA
His appetite decreased since he started to go to day care and getting sick so often. Worsening factors: cold liquids, cold foods, air conditioning during summer time. During summer is worst.
Stuffy nose, runny nose, clear discharge at the beginning and then yellow-green. We use normal saline as often as needed. No antibiotic treatment ever.
6. Mind: sensitive, happy, plays well alone, very active during the day. Naps once a day. Takes long to fall asleep, moves a lot in bed.
7. Stool: regular
8.Urine: normal
9. Sweat: normal
10. Sleep: snoring sleeps with open mouth,moves a lot in sleep, takes long to fall asleep.
11. Appetite: eats bad, likes sweet. Doesn’t like meat. Likes milk, yogurt.
12.Thirst: normal
13. Cravings: sweets. I try not to give him sweets at all.
14. Aversion: no
15. Skin problems: dry skin
[Edited by Marinush on 2022-01-22 14:15:52]