Kratom is known for thinning the blood. The reason they have PTs stop blood thinners and aspirin is because they thin the blood. Pin On Shares Best Vendors for Kratom updated on March 2022. . Kratom is the name of a tree from the coffee family native to Southeast Asia. Your body will still be adjusting one week after quitting and theres no saying how that might affect your surgery. Ive had two surgeries in the past six months or so both with general anesthesia rather than just local and both gave me opioid painkillers post-surgery so I can give you my experiences and hope theyre helpful or provide some peace of mind at least. You should try stopping asap. They gave me fentanyl as part of sedation and I received more fentanyl before I left the hospital. Anything less just did absolutely nothing and it was definitely a struggle to not go above 20 grams. As a drug of abuse there are reports of seizure acute.