Dreaming of a brother covered in snakes can be quite vivid and may evoke strong emotions. Snakes often symbolize transformation, fear, or hidden threats, and their presence in a dream can indicate various meanings depending on your relationship with your brother and the context of the dream.

Here are a few interpretations:

1. Fear or Anxiety: If you have concerns about your brother or your relationship with him, the snakes may represent your anxieties or fears regarding his well-being or choices.
2. Transformation: Snakes are often associated with change or transformation. This dream could symbolize your brother undergoing a significant change in his life, and the snakes may represent the challenges or fears he might be facing.
3. Hidden Issues: The snakes could also signify underlying issues or secrets that may need to be addressed. This might suggest that there are things in your brother's life that are not immediately visible but could be impacting him.
4. Feelings of Betrayal: If you associate snakes with betrayal or deceit, this dream might reflect feelings of mistrust or concern about loyalty within your family or your relationship with your brother.

Consider the emotions you felt during the dream and your current relationship with your brother to gain deeper insights. Reflecting on these aspects can help you understand the specific message your subconscious is conveying.