Use externally with caution, and only in diluted preparations. Discontinue if a skin rash develops, and do not use on broken skin.
Not to be used internally without supervision of medical professional. Overdose of arnica extract can result in poisoning with vomiting, diarrhea, hemorrhage, even death. And more . . .
Not to be used externally over large areas of skin damage or as a full bath. Not to be used externally for more than 2 weeks or for diarrhea that lasts longer than 3 days without consulting a physician.
No necessary precautions to observe in the diet.
No particular precautions have been reported as being necessary in using cyperus.
Arnica contains an allergen, helenalin, that may cause dermatitis. If a rash develops discontinue use. Prolonged external use of arnica extract in high doses can result in blistering, skin ulcers and surface necroses.
Not to be taken during pregnancy.
Not for pregnant or breast-feeding women. Not for internal useage as contains toxic pyrrolizidine alkaloids, possibly causing liver cancer. Not for deep wounds. Not to be used externally more than 4 weeks. And more . . .
No special precautions are necessary when cuscuta is used in the doses normally prescribed by herbalists.
Research is limited, there have been no precautions issued. Be aware of the known side effects of red wine and resveratrol.
Not to be used internally by people with gastrointestinal ulcer or children.
Preferably to be administered under the supervision of a medical practitioner.
Not to be taken by pregnant or nursing women. Use precautions when identifying the herb, often confused with hemlock parsley and poison hemlock.