- What other names is Contrayerva known by?
- What is Contrayerva?
- How does Contrayerva work?
- Are there safety concerns?
- Dosing considerations for Contrayerva.
Despite safety concerns, people take contrayerva to increase endurance (stamina) and to counteract poison released by snakebites.
Insufficient Evidence to Rate Effectiveness for...
- Increasing endurance (stamina).
- Other conditions.
Special Precautions & Warnings:Pregnancy and breast-feeding: It might be UNSAFE for anyone, including pregnant and breast-feeding women, to use contrayerva.
Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.