Azelaic acid gel is a kind of topical medicine, the main component of which is azelaic acid. The following are the effects and uses of azelaic acid gels:

1. Antibacterial effect: azelaic acid gel has antibacterial effect, which can inhibit the growth and reproduction of a variety of bacteria, and has certain therapeutic effect on some common bacterial infections.

2. Antifungal effect: Azelaic acid gel also has a certain inhibitory effect on some fungal infections, and can be used to treat skin diseases caused by fungi, such as candida infection.

3. Anti-inflammatory effect: azelaic acid gel has a certain anti-inflammatory effect, which can reduce skin inflammation, relieve itching, redness and pain and other symptoms.

4. Skin repair: azelaic acid gel can promote skin repair and regeneration, help wound or erosion of the skin healing process, accelerate wound healing.

5. Prevention of infection: azelaic acid gel can be used to prevent wound infection after surgery and reduce the risk of postoperative complications.

Azelaic acid gels are commonly used to treat superficial skin infections, inflammation, and wounds, such as eczema, skin erosion, burns, cuts, and ulcers. The specific method of use and dosage should be carried out according to the advice of a doctor or pharmacist to ensure safe and effective use.