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Canadian hemp is an herb. The root of Canadian hemp is used for medicine.
Despite serious safety concerns, Canadian hemp is used for arthritis, asthma, coughs, bloating, and syphilis. It is also used for heart problems including valvular insufficiency, “senile heart,” and weak heart muscles following pneumonia. Canadian hemp is also used to flush fluids out of the body by increasing urine flow.
Some people apply the fresh juice of Canadian hemp directly to the skin for warts.
How does it work?
Canadian hemp contains chemicals that may slow the heartbeat, lower blood pressure, increase the strength of the heartbeat, and increase urine. It may work similarly to the prescription drug digoxin (Lanoxin), but is less effective and causes more side effects.
Insufficient Evidence to Rate Effectiveness for...
- Heart problems.
- Increasing urine production.
- Warts, when applied to the skin.
- Other conditions.
Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).
Canadian hemp is UNSAFE to take by mouth because of its effects on the heart and other side effects.
Canadian hemp is irritating to the throat, stomach, and intestines; and can cause nausea and vomiting. It can slow the rate of the heartbeat, which can cause the body to release substances that cause the blood pressure to increase.
There's not enough information to know if it is safe to apply Canadian hemp to the skin.
Digoxin (Lanoxin)Interaction Rating: Moderate Be cautious with this combination.Talk with your health provider.
Digoxin (Lanoxin) helps the heart beat more strongly. Canadian hemp also seems to affect the heart. Taking Canadian hemp along with digoxin can increase the effects of digoxin and increase the risk of side effects. Do not take Canadian hemp if you are taking digoxin (Lanoxin) without talking to your healthcare professional.
Water pills (Diuretic drugs)Interaction Rating: Moderate Be cautious with this combination.Talk with your health provider.
Canadian hemp might affect the heart. "Water pills" can decrease potassium in the body. Low potassium levels can also affect the heart and increase the risk of side effects from Canadian hemp.
The appropriate dose of Canadian hemp depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for Canadian hemp. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.
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Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.