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guarana

Generic Name: guarana (GWAR ah na)
Brand Names:

What is guarana?

The use of guarana in cultural and traditional settings may differ from concepts accepted by current Western medicine. When considering the use of herbal supplements, consultation with a primary health care professional is advisable. Additionally, consultation with a practitioner trained in the uses of herbal/health supplements may be beneficial, and coordination of treatment among all health care providers involved may be advantageous.

Guarana is also known as Paullinia cupana, paullinia, Brazilian cocoa, guarana bread, guarana paste or gum, and zoom. Guarana is also present in some soft drinks imported from South America in a manner similar to American soft-drinks fortified with caffeine.

Guarana contains very high concentrations of caffeine and has been used as a stimulant and appetite suppressant.

Guarana has not been evaluated by the FDA for safety, effectiveness, or purity. All potential risks and/or advantages of guarana may not be known. Additionally, there are no regulated manufacturing standards in place for these compounds. There have been instances where herbal/health supplements have been sold which were contaminated with toxic metals or other drugs. Herbal/health supplements should be purchased from a reliable source to minimize the risk of contamination.

Guarana may also have uses other than those listed in this medication guide.

What is the most important information I should know about guarana?

Guarana has not been evaluated by the FDA for safety, effectiveness, or purity. All potential risks and/or advantages of guarana may not be known. Additionally, there are no regulated manufacturing standards in place for these compounds. There have been instances where herbal/health supplements have been sold which were contaminated with toxic metals or other drugs. Herbal/health supplements should be purchased from a reliable source to minimize the risk of contamination.

Who should not take guarana?

Talk to your doctor or health care provider before taking guarana if you have

• heart problems or high blood pressure,

• kidney disease,

• an overactive thyroid (hyperthyroidism), or

• an anxiety or nervous disorder.

Guarana contains a large amount of caffeine which may be problematic if used by people with any of the conditions listed above. You may not be able to use guarana, or your doctor or health care provider may recommend a lower dose or special monitoring.

Before taking guarana, talk to your doctor, pharmacist, or health care professional if you have allergies (especially to plants), have any medical condition, or if you take other medicines or other herbal/health supplements. Guarana may not be recommended in some situations.

How should I take guarana?

The use of guarana in cultural and traditional settings may differ from concepts accepted by current Western medicine. When considering the use of herbal supplements, consultation with a primary health care professional is advisable. Additionally, consultation with a practitioner trained in the uses of herbal/health supplements may be beneficial, and coordination of treatment among all health care providers involved may be advantageous.

If you choose to take guarana, use it as directed on the package or as directed by your doctor, pharmacist, or other health care provider.

Standardized formulations of herbal/health supplements may provide a more reliable dose of the product.

Guarana is usually taken as a powder, mixed with water or another beverage.

Store guarana as directed on the package. In general, guarana should be protected from light and moisture.

What happens if I miss a dose?

No information is available regarding a missed dose of guarana. Consult your doctor, pharmacist, or health care professional if you require further information.

What happens if I overdose?

Symptoms of a guarana overdose are not well known but might include painful urination, restlessness, tremor, vomiting, and abdominal spasms.

What should I avoid while taking guarana?

The amount of caffeine consumed in other products should be monitored while taking guarana.

There are no restrictions on food, beverages, or activity while taking guarana, unless otherwise directed by your health care provider.

Guarana side effects

• a serious allergic reaction including difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives; or

• irregular heartbeats or chest pain.

Other less serious side effects may also reported with the use of guarana. Talk to your doctor or health care provider if you experience

• heartburn;

• upset stomach;

• loss of appetite;

• constipation or diarrhea;

• nervousness, irritability, or anxiety;

• sleeplessness;

• irregular heartbeats; or

• headache.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect guarana?

Interactions between guarana and other prescription or over-the-counter medicines or herbal/health supplements have not been reported. Talk to your doctor, pharmacist, or health care professional before taking guarana if you are taking any other medicines or supplements.

Where can I get more information?

• Your doctor, pharmacist, or health care provider may have more information about guarana.

• Consultation with a licensed health care professional is advisable before using any herbal/health supplement. Additionally, consultation with a practitioner trained in the uses of herbal/health supplements may be beneficial and coordination of treatment among all health care providers involved may be advantageous. Remember, keep this and all other prescription drug products, over-the-counter drug products, and herbal/health supplements out of the reach of children.
• Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ("Multum") is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum"s drug information does not endorse drugs, diagnose patients or recommend therapy. Multum"s drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.