Search essential oils peppermint and or oregano.
Seek professional regarding how to use the oils.
Start with Dr Josh Axe website has good advice.
No sugar or processed food.
Friend with crohns swears by turmeric also.
Good luck 🍀
Have a look at Viper anti virus software. Extremely efficient but not obtrusive at all. They also make a bunch of computer cleaning tools called Tuneup. Together you will have a clean fast machine at all times.
Good luck