The side effects of guyabano tea can be quite serious. It may lead to heart problems, stomach upset, neural problems, and drug interactions. While some of the benefits of the tea are amazing, the risks involved cannot be ignored, either. Hence, drink the tea in moderation whenever possible. Neurotoxic Effects: Studies has indicated that there are presences of neurotoxins in the fruit that may be similar to Parkinson symptoms. But, these neurotoxins are included in several foods, commonly in minimal amounts. Digestive disorders: The antimicrobial and antibacterial effects of the tea are effective. But prolonged use of it can lead to acidity imbalance, digestive, and gastrointestinal problems. Hypotension: If you are suffering from low or high blood pressure, then you should not use soupsop tea excessively. It may lead to weakness, fainting, headache, and dizziness. Drug Interactions: People using antidepressant medication, drugs, and sedatives for neurodegenerative diseases should consult a doctor before adding guyabano tea to your regimen. Pregnancy: Under no conditions should pregnant or breastfeeding woman drink the guyabano tea.