There can be a number of causes for balanitis.The glans of the penis is sensitive to irritants such as soaps, dirt, chemicals, infection etc.
Treatment will depend on the cause. Your doctor will probably be able to make a diagnosis by examining the penis.
For infection, your health care professional will probably take a swab of the area to send to the lab for culture. Antibiotic tablets and creams will tackle a bacterial infection. Antifungal agents (creams/tablets) will deal with yeast infections.
Good hygiene is essential unless being over hygienic has caused the problem. Talk to your healthcare professional about this if you need to.
If the foreskin is tight and doesn’t allow good cleaning etc, then circumcision may be the best long term option for you.
The right steroid creams for skin conditions will help these.
To rule out any medical complication you may repeat the test. This will relieve you from unnecessary tension.