Ingredients

• Because Akavar 20/50 is an herbal product, the FDA does not track side effect reports on the product itself. However, information is available about side effects that occur from the ingredients in the product. The ingredients in Akavar 20/50 are not disclosed by the manufacturer, but are reported to include xanthine, green tea leaf, yerba mate, guarana, ginger, kola nut and Tibetan ginseng, according to DietsInReview.com.
  
  

Types of Side Effects

• Green tea, guarana, Tibetan ginseng and kola nut cause side effects nervousness, insomnia, headaches, vomiting, ringing in the ears, or restlessness in some patients, reports RxList. Both kola nut and guarana pose a risk for agitation and anxiety, while the use of green tea and Tibetan ginseng may result in dizziness or changes in mood.
  
  

Drug Interactions

• The combination of green tea or guarana and amphetamines like phentermine and methylphenidate cause dangerous increases in heart rate and blood pressure, warns RxList.
  
  

Risks

• Green tea poses a risk for convulsions, confusion and liver problems, cautions RxList. Infrequently, the use of Tibetan ginseng results in Stevens-Johnson syndrome, a life-threatening skin condition.
  
  

Considerations

• If you are pregnant or nursing, scheduled for surgery within the next two weeks or have a history of liver disease, severe anemia, hypertension, glaucoma, anxiety disorder, heart problems, glaucoma, osteoporosis, bleeding disorders, diabetes, hormone-sensitive cancers like ovarian or breast cancer, endometriosis, uterine fibroids, organ transplant, schizophrenia, multiple sclerosis, lupus, rheumatoid arthritis or any auto-immune diseases, it may not be safe for you to take Akavar 20/50 due to its side effects, cautions RxList.