| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Metabutethamine | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Phenacaine | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Piperocaine | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Oxyprocaine | Is a | False | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Refrigerant anesthetic | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Amolanone | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Naepaine | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Thymol oxide | Is a | False | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Metabutoxycaine | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Tetracaine hydrochloride | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Mepivacaine | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Xenysalate | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Procaine hydrochloride | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Propoxycaine hydrochloride | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Cocaethylene | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Ropivacaine hydrochloride | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Amide type local anesthetic | Is a | False | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Ester type local anesthetic | Is a | False | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Topical anesthetic (substance) | Is a | True | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Eye, ear, nose AND/OR throat local anesthetic | Is a | False | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Injection of anesthetic agent into facial nerve | Direct substance | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| intoxicatie door lokaal anestheticum | Causative agent | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Diagnostic block anesthesia | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 2 | 
| Epidural injection of anesthetic substance, diagnostic, caudal, continuous | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 4 | 
| Chemotherapy administration, subcutaneous, with local anaesthesia | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 2 | 
| Paracervical block anesthesia | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 2 | 
| Injection of anesthetic agent into cervical plexus | Direct substance | True | Local anesthetic (substance) | Inferred relationship | Some | 2 | 
| Injection of spinal anesthetic agent for analgesia | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Examination of nose under anesthetic | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Antipruritic topical anesthetic | Has active ingredient | False | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Epidural anesthetic NEC | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic lumbar epidural block | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic sacral epidural block | Direct substance | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Other specified spinal anesthetic | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 2 | 
| Spinal anesthetic NOS | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 2 | 
| Injection of local anesthetic NEC | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 2 | 
| Local anesthetic NEC | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 2 | 
| Other specified local anesthetic | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 2 | 
| Local anesthetic NOS | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 2 | 
| Epidural anesthesia | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Central block anesthesia | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Obstetric toxic reaction to local anaesthesia | Causative agent | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Toxic reaction to local anesthesia during pregnancy | Causative agent | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Toxic reaction to local anaesthesia during the puerperium | Causative agent | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Toxic reaction to local anesthetic during labor and delivery | Causative agent | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Stellate block anesthesia | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Injection of anesthetic substance, therapeutic, subarachnoid, differential | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| gevolgen voor foetus of neonaat van epidurale anesthesie bij moeder durante partu (aandoening) | Causative agent | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Topical or infiltration anesthetic poisoning NOS | Causative agent | False | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Local anesthetic poisoning NOS | Causative agent | False | Local anesthetic (substance) | Inferred relationship | Some |  | 
| Injection of anesthetic agent into stellate ganglion | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic nerve block of cranial nerve or ganglion | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic cranial nerve block | Direct substance | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic cranial nerve ganglion block | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic block on spinal nerve root | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic block on spinal nerve ganglion | Direct substance | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Intrathecal injection of local anesthetic agent | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic nerve block in cervical region | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 2 | 
| Deep cervical plexus block | Direct substance | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Superficial cervical plexus block (procedure) | Direct substance | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic lesser occipital nerve block | Direct substance | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic greater auricular nerve block | Direct substance | True | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic nerve block in upper limb | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Brachial plexus block by interscalene approach | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Brachial plexus block by supraclavicular approach | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Brachial plexus block by infraclavicular approach (procedure) | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Brachial plexus block by axillary approach | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic musculocutaneous nerve block | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic intercostobrachial and medial cutaneous nerve of arm block | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic elbow block | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic wrist block | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic ulnar nerve block | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic ulnar nerve block at wrist | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic ulnar nerve block at elbow | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic radial nerve block | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic radial nerve block in upper arm | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic radial nerve block at elbow | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic radial nerve block at wrist | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic median nerve block | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic median nerve block at elbow | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic median nerve block at wrist | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Ring block in hand | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Ring block of thumb | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Ring block of index finger | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Ring block of middle finger | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Ring block of ring finger | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Ring block of little finger (procedure) | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Digital nerve block in hand | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Common digital nerve block in the hand | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Digital nerve block of thumb | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Digital nerve block of index finger | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Digital nerve block of middle finger | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Digital nerve block of ring finger (procedure) | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Digital nerve block of little finger | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic nerve block in lower limb | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Lumbar plexus block | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 3 | 
| Local anaesthetic hip block | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic hip block by intracapsular approach | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic hip block by extracapsular approach | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anesthetic sciatic nerve block; anterior approach | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 | 
| Local anaesthetic sciatic nerve block; posterior approach | Direct substance | False | Local anesthetic (substance) | Inferred relationship | Some | 1 |