Health Guide
Drug Guide

Guarana

What is it?

Guarana is a caffeine-containing herbal medicine that has been used as a stimulant, aphrodisiac, and appetite suppressant (weight loss).

Other names for guarana include: Paullinia cupana, Brazilian cocoa, Guarana gum, Guarana paste, and Zoom.

Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.

Before Using:

Tell your doctor if you

Dosage:

Talk with your doctor, pharmacist, or nurse about how much guarana you should take. The amount depends on the strength of the medicine and the reason you are taking guarana. If you are using this medicine without instructions from your caregiver, follow the directions on the label. Do not take more guarana or take it more often than what is written on the directions.

To store this medicine:

Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.

Drug and Food Interactions:

Do not take guarana without talking to your doctor first if you are taking:

Warnings:

Side Effects:

Stop taking your medicine right away and talk to your doctor if you have any of the following side effects.

Other Side Effects:

You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.

References:

1. Fetrow CW & Avila JR: Professional's Handbook of Complementary and Alternative Medicines. Springhouse Corporation, Springhouse, PA; 1999.

2. McGuffin M, Hobbs C, Upton R et al: A Botanical Safety Handbook. CRC Press, Boca Raton, FL; 1997.

3. Carrillo JA & Benitez J: CYP1A2 activity, gender and smoking as variable influencing the toxicity of caffeine. Br J Clin Pharmacol 1996; 41:605-608.

4. Pakes GE: Phenelzine-cola headache. Am J Hosp Pharm 1979; 36:736.

5. Jeppesen U, Loft S, Poulsen HE et al: Fluvoxamine-caffeine interaction study. Pharmacogenetics 1996; 6:213-222.

6. Kuribara H & Tadokoro S: Caffeine does not effectively ameliorate, but rather may worsen the ethanol intoxication when assessed by discrete avoidance in mice. Japan J Pharmacol 1992; 59(3):393-398.

7. Haller CA & Benowitz NL: Adverse cardiovascular and central nervous system events associated with dietary supplements containing ephedra alkaloids. N Engl J Med 2000; 343(25); 1833-1838.

8. Product Information: Zyvox(R) IV injection, oral tablets, oral suspension, linezolid IV injection, oral tablets, oral suspension. Pharmacia & Upjohn Company, New York, NY, 2008.


Last Updated: 9/15/2016

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