Herbal remedies, too, can potentially ease the symptoms of COPD. Ask your doctor if you should try any of the following natural treatments: Eucalyptus. Helps with congestion. Ginger. Can break down mucus and reduce inflammation. Peppermint. Encourages relaxation. Melatonin. May help reduce oxidative stress, helping to support detoxification. Turmeric. Has anti-inflammatory properties.