Condition	Anti- convulsants	Anti- depressants	Oral Drugs with Local Anesthetic Type Properties	Opioids	Topical (Capsaicin)	Intravenous Regional Sympathetic Blocks
Trigeminal neuralgia	Level I	No controlled trials	Level II	Level V	No controlled trials	Not applicable
Peripheral nerve injury	No controlled trials	No controlled trials	Level II	No controlled trials	No controlled trials	No controlled trials
Postherpetic neuralgia	Level II	Level II	Level II	Level II	Level II	No controlled trials
Complex regional pain syndrome Type I	No controlled trials	No controlled trials	No controlled trials	No controlled trials	No controlled trials	Level III
Diabetic neuropathy	Level I	Level I	Level II	Refer to comments in guidelines.	Level II	No controlled trials
Pain after stroke	Level II	Level II	No controlled trials	No controlled trials	No controlled trials	No controlled trials
Spinal cord injury	No controlled trials	No controlled trials	Level II	No controlled trials	No controlled trials	Not applicable
Pain after mastectomy	No controlled trials	No controlled trials	No controlled trials	No controlled trials	Level II	Not applicable