The Epilobium is considered to have the following in modern herbal medicine:

• antibacterial action
• anti-inflammatory action
• antimicrobial action
• antioxidant action

Herbalists primarily use it for treating problems related to prostate hyperplasia, cystitis, and nephritis.

The Epilobium is considered to help due to its anti-inflammatory action:

• in urinary tract infections
• in bronchial infections
• in mucous colitis
• in irritable bowel syndrome

It is also believed to be beneficial for diarrhea and incontinence.