More evidence is needed to rate the effectiveness of Indian snakeroot for these uses.

Stop using Indian snakeroot at least 2 weeks before a scheduled surgery.

Surgery: Indian snakeroot might speed up the central nervous system.

To be on the safe side, do not take Indian snakeroot if you are taking levodopa.

Taking Indian snakeroot along with stimulant drugs might cause serious problems including increased heart rate and high blood pressure.

Low potassium levels can also affect the heart and increase the risk of side effects from Indian snakeroot.

Taking large amounts of Indian snakeroot along with alcohol might cause too much sleepiness.

Indian snakeroot can calm you down and make you sleepy.

At this time there is not enough scientific information to determine an appropriate range of doses for Indian snakeroot.

One of the chemicals in Indian snakeroot is the same as a prescription drug called reserpine.

Standardized Indian snakeroot contains a set amount of medicine.

Indian snakeroot can slow reaction times and should not be used when driving or operating heavy machinery.

Indian snakeroot also seems to reduce blood pressure.

The chemicals in Indian snakeroot might cause birth defects.

Indian snakeroot contains chemicals such as reserpine that decrease heart rate and blood pressure.

Early evidence indicates that Indian snakeroot in a specific combination with two other herbs might help insomnia.

Avoid taking stimulant drugs along with Indian snakeroot.

Do not take Indian snakeroot if you are taking digoxin (Lanoxin).

Gall stones: Indian snakeroot might make gallbladder disease worse.

Indian snakeroot might also cause sleepiness and drowsiness.

Indian snakeroot seems to slow the heartbeat.

Taking Indian snakeroot along with ephedrine can decrease the effects of ephedrine.

The appropriate dose of Indian snakeroot depends on several factors such as the user's age, health, and several other conditions.

The amount of reserpine and other chemicals in Indian snakeroot can vary from plant to plant.

Taking Indian snakeroot along with propanolol (Inderal) might cause your blood pressure to go too low.