How much Corydalis do I take? Take 20 drops of the Swiss Herbal Remedies Corydalis tincture 3-4 times daily when required. There is no need to take it continuously just during period times. You can mix 10 drops each of Viburnum opulus tincture & Corydalis tinctures together & take 3-4 times daily when needed. Cautions & contra-indications Do not take Corydalis if you are pregnant or breast-feeding. Do not take Corydalis if you have low blood pressure. Do not take Corydalis if you are taking any morphine-based painkiller. Tincture specifications. Our Corydalis tincture is a standard 15 25% alcohol. Our Viburnum opulus tincture is a wild crafted decocted 13 25% alcohol