Are there any medicinal uses for beer? Are there any common medicinal uses for beer? I'm thinking along the lines of how liquor can be used as an antiseptic and less of how red wine can improve your heart health.
Just like wine, absolutely! I'm not a doctor and I am not giving medical advice; I am not liable whatsoever for your drunken antics. 

With that said, in addition to kidney benefits:


Beer contains high amounts of silicon, which makes bones stronger
In moderation, it has been shown to lower the risk of cardiovascular problems. However, when abused, cardiovascular problems spike instead. It helps to raise levels of "good cholesterol" which helps to keep arteries free of blockages.
It may help out your brain, keeping Alzheimer's disease at bay.
It is high in antioxidants and helps reduce your risk of cancer.
It is high in B vitamins, namely B6 and B12
Moderate amounts of any alcohol, beer included, may help decrease your risk of stroke by reducing the chance of blood clotting in the cardiovascular system.
I highly doubt this one, but apparently, studies have shown a reduced risk of diabetes among men who drink occasionally.
Studies have shown that it has been linked to lower blood pressure.
It contain fiber! Beta-glucans in particular, which are a soluble type of fiber.
Like sauerkraut, pickles, kimchi, yogurt, miso, and kombucha, beer is a fermented food, so many of the benefits of fermented foods such as aiding in digestion may apply to beer as well.


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4 Health Benefits Of Beer Drinking: Antioxidants, B-Vitamin, And Protein Are There... But Don't Overdo It