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Dronabinol is a cannabinoid designated chemically as (6aR-trans)-6a,7,8,10a-tetrahydro-6,6,9- trimethyl-3-pentyl-6H-dibenzo[b,d]pyran-1-ol. Dronabinol has the following empirical and structural formulas:
Dronabinol, the active ingredient in MARINOL® (dronabinol) Capsules, is synthetic delta-9- tetrahydrocannabinol (delta-9-THC). Delta-9-tetrahydrocannabinol is also a naturally occurring component of Cannabis sativa L. (Marijuana).
Dronabinol is a light yellow resinous oil that is sticky at room temperature and hardens upon refrigeration. Dronabinol is insoluble in water and is formulated in sesame oil. It has a pKa of 10.6 and an octanol-water partition coefficient: 6,000:1 at pH 7.
Capsules for oral administration: MARINOL (dronabinol) Capsules is supplied as round, soft gelatin capsules containing either 2.5 mg, 5 mg, or 10 mg dronabinol. Each MARINOL (dronabinol) Capsule strength is formulated with the following inactive ingredients: 2.5 mg capsule contains gelatin, glycerin, sesame oil, and titanium dioxide; 5 mg capsule contains iron oxide red and iron oxide black, gelatin, glycerin, sesame oil, and titanium dioxide; 10 mg capsule contains iron oxide red and iron oxide yellow, gelatin, glycerin, sesame oil, and titanium dioxide.
What are the possible side effects of dronabinol (Marinol)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using dronabinol and call your doctor at once if you have any of these serious side effects:
- seizure (convulsions);
- paranoia, extreme fear;
- fast heart rate;
- feeling light-headed, fainting; or
- unusual thoughts or behavior.
Continue using dronabinol and talk with your doctor if you have any of these less serious side effects:
What are the precautions when taking dronabinol (Marinol)?
Before taking dronabinol, tell your doctor or pharmacist if you are allergic to it; or to marijuana; or if you have any other allergies. This product may contain inactive ingredients (such as sesame oil), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: regular use/abuse of drugs/alcohol/other substances, heart disease, high blood pressure, mental/mood disorders (such as mania, depression, schizophrenia), seizures.
This drug may make you dizzy or drowsy or affect your judgment. Do not do any activities requiring alertness and clear thinking, such as driving or using machinery, until you know how this medication affects you and...
Last reviewed on RxList: 5/29/2008
This monograph has been modified to include the generic and brand name in many instances.
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