Some causes of tinnitus are less common, including: 1  Meniere's disease. 2  TMJ disorders. 3  Head injuries or neck injuries.  Acoustic neuroma.
Jumping spiders do sometimes bite, but their venom is not considered to be dangerous (unless youâre allergic to spider bites). They are sometimes mistaken for black widow spiders, but they are far less dangerous. Jumping spiders donât hunt using webs, but they do build a web-like nest called a retreat.
Missulena venom may be very toxic, but few cases of serious envenomation have been recorded. Most recorded bites only caused minor effects, with Australian funnel-web spider antivenom having proved effective as a treatment. The spiders dig a burrow up to 55 cm deep, with two trapdoors.