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Special Precautions & Warnings:Pregnancy and breast-feeding: Not enough is known about the use of hemlock spruce during pregnancy and breast-feeding. Stay on the safe side and avoid use.
Asthma: There is a concern that hemlock spruce might make asthma worse. Don't use it.
Whooping cough: There is a concern that hemlock spruce might make whooping cough worse. Don't use it.
Broken skin: Hemlock spruce should not be applied to broken skin.
Heart problems: Hemlock spruce might make heart problems worse. Don't use it.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.