Azaleas are hard looking. Stems with no leaves. Buds showing at end of stems. Fungus on plants. Considering using Kocide 100 copper to spray.
Azaleas Hard Looking
The first step should be to identify what is troubling your azaleas. It could be fungus, but it could be something else. Also, if it is fungus, what type - different treatments for different diseases. Here's a quick rundown on common azalea problems: https://www.gardeningknowhow.com/ornamental/shrubs/azalea/common-azalea-problems.htm
If you're in the US, you can take some plant samples to the County Extension Service for analysis and advice on treatment. This link will help you find your local office: https://www.gardeningknowhow.com/extension-search/