Kidney damage is also a possibility when the oil is taken internally. No interactions have been reported. No harmful effects are known. How To Prepare Pine Oil is extracted by steam distillation from fresh pine needles, branch tips, and shoots. It is used in ointments and bath salts.
Oil extracted from turpentine is also available.
For inhalation, add several drops to hot water and inhale the vapor. As a bath additive, use 0.025 gram per liter of water. For external use, rub several drops onto the affected area. The oral dose is 9 grams daily in tea, syrup, or an alcohol solution. For inhalation, add several drops to hot water and inhale the vapor.