Can anxiety cause a butterfly feeling in penis area?masturbated last night and been getting it whole night and today.was hard to sleep with this

Anxiety can do a lot: Especially when the symptom is a 'feeling' as opposed to a more concrete thing like bleeding, fever, lump, etc. , it's a talent that anxiety has. But it's always good to rule out a physical problem. So, if it lasts have an exam and if nothing is found, seek anxiety mgmt therapy. Try it w/o pills first but they can be added if needed. Best!

Anxiety vs injury: Yes anxiety can cause a variety of sensations in the body. Are you worried or ashamed about masturbating? If so, may cause anxiety symptoms. It is a normal human activity, and not harmful unless you physically injure your genitals (abrasions, ruptured blood vessel, etc). Try taking a warm shower or light snack to relax you before going to sleep. For anxiety see psychologist using CBT.