Hawthorn is an evergreen shrub whose tiny red berries are used primarily as a tonic for cardiovascular health. Many claim that hawthorn extract can increase blood flow into peripheral blood vessels, strengthen the contractions of the heart and improve blood flow in the coronary arteries. It is also used as an herbal tonic to control blood pressure. Hawthorn offers multiple benefits, but side effects may be serious and your individual health profile must be taken into consideration before using.
Common Side Effects
The Researcher's Note website points out that even when taking hawthorn in a therapeutic dose, certain side effects are common, including dizziness, sweating, headache, skin rash, sleepiness, insomnia and gastrointestinal symptoms.
Serious Side Effects
Certain more serious side effects were reported by Healthsquare.com, such as palpitations, increase in blood pressure, agitation and anxiety, mood changes, fast or pounding heartbeat and shortness of breath.
Possible Interactions
Hawthorn may interfere with other drugs' abilities to act on heart conditions, such as in hypertension, arrhythmias, angina and heart failure. The University of Maryland Medical Center (UMMC) warns against using hawthorn extract without first consulting a doctor if you are taking Digoxin or Phenylephrine.
Warnings and Allergies
If symptoms of allergic reaction occur, such as itching or swelling of the face, mouth, tongue or throat; rash with hives, extreme dizziness or difficulty breathing, seek medical assistance immediately. The UMMC warns not to use hawthorn if you are pregnant or breastfeeding. Furthermore, it is advised if you notice an increase or worsening of your condition while taking hawthorn, to stop taking it and report to your doctor.
Safety
The University of Maryland Medical Center (UMMC) reports that hawthorn extract is safe when taken in recommended doses of 160 to 1,800 mg per day up to 24 weeks under the supervision of a doctor. Do not treat yourself with this herb without first consulting a medical practitioner.
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