Use Hawthorn flowers are used for atherosclerosis, coronary heart disease (CHD), heart failure, and myocardial neurosis. They are also used for disorders of the autonomic nervous system and heart pain. How to take To prepare an infusion, 30 g of dried inflorescences should be poured with 1 measuring cup of boiling water and left to infuse for 50 minutes. Take 20 ml. In general, hawthorn preparations are taken orally 2-3 times a day. Contraindications Contraindications for use include hypersensitivity to the drug or plant, pregnancy (first trimester), and children under 12 years of age. It is also not recommended to take during exacerbation of chronic diseases of the digestive and genitourinary systems, individual intolerance to components, and hypotension.