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Dosing

The below doses are based on scientific research, publications, traditional use, or expert opinion. Many herbs and supplements have not been thoroughly tested, and safety and effectiveness may not be proven. Brands may be made differently, with variable ingredients, even within the same brand. The below doses may not apply to all products. You should read product labels, and discuss doses with a qualified healthcare provider before starting therapy.

Adults (18 years and older)

For nausea and vomiting, five milligrams/m ² of body mass of dronabinol (Marinol®) has been taken by mouth before and after chemotherapy, for a total of 4-6 doses daily.

For weight loss and malnutrition associated with cancer, 2.5 milligrams of tetrahydrocannabinol (THC) with or without one milligram of cannabidiol has been taken by mouth for six weeks.

For eczema, hemp seed oil has been taken by mouth for 20 weeks.

For chronic pain, 2.5-120 milligrams of cannabis has been taken by mouth in divided doses.

For epilepsy, 200-300 milligrams of cannabidiol (CBD) has been taken by mouth daily for up to 4.5 months.

For insomnia, 160 milligrams of cannabidiol (CBD) has been taken by mouth.

For symptoms of multiple sclerosis, 2.5-10 milligrams of dronabinol (Marinol®) has been taken by mouth daily for three weeks. Capsules containing 15-30 milligrams of cannabis extract has been taken by mouth for 14 days. Two and one-half milligrams of tetrahydrocannabinol (THC), together with 0.9 milligrams of cannabidiol (CBD), has been taken by mouth. Cannabinoid-based Sativex® mouth spray has been used at a dose of 2.5-120 milligrams in divided doses. Eight sprays in three hours and up to 48 sprays in 24 hours have been used.

For schizophrenia, 40-1,280 milligrams of cannabidiol (CBD) has been taken by mouth daily for up to four weeks.

For glaucoma (high fluid pressure in the eye), single doses of five milligrams of tetrahydrocannabinol (THC) or 40 milligrams of cannabidiol (CBD) placed under the tongue have been used.

Children (under 18 years old)

There is no proven safe or effective dose for cannabis or cannabis-containing products in children.

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