There is limited evidence to support the use of hawthorn for any of the conditions listed above.
Hawthorn is considered safe for most adults when used for short periods of time. In rare situations, due to allergic reactions, it may lead to kidney damage or failure.
Hawthorn may interact with the following:
- anticoagulants (e.g., apixaban, warfarin)
- beta-blockers (e.g., bisoprolol, metoprolol)
- calcium channel blockers (e.g., amlodipine, diltiazem, verapamil)
- digoxin
- nitrates
- phosphodiesterase-5 inhibitors (e.g., sildenafil, tadalafil, vardenafil)
Hawthorn should be used for a minimum of 2 months to see beneficial effects. If symptoms persist or worsen, talk a health care provider.
Do not use hawthorn if you are pregnant or breast-feeding. Avoid taking hawthorn if you have heart failure.
Hawthorn may increase your risk of bleeding. Stop taking hawthorn at least 2 weeks before surgery.
Before taking any new medications, including natural health products, speak to your physician, pharmacist, or other health care provider. Tell your health care provider about any natural health products you may be taking.