was very interesting . thats why I weed out the obvious:

For me it was the medication not chiari

Causes of subjective tinnitus include:

Otologic problems and hearing loss:

conductive hearing loss

■external ear infection
■acoustic shock
■drums
■subwoofers
■cerumen (earwax) impaction
■middle ear effusion
■Superior canal dehiscence
sensorineural hearing loss

■excessive or loud noise
■presbycusis (age-associated hearing loss)
■Ménière's disease
■acoustic neuroma
■mercury poisoning or lead poisoning
ototoxic medications

analgesics:

■aspirin
■nonsteroidal anti-inflammatory drugs
antibiotics:

■aminoglycosides e.g. gentamicin
■chloramphenicol
■erythromycin
■tetracycline
■tobramycin
■vancomycin
■Vibramycin (doxycycline)
chemotherapy and antiviral drugs:

■bleomycin
■interferon
■pegylated interferon-alpha-2b
■cisplatin
■mechlorethamine
■methotrexate
■vincristine
loop diuretics:

■bumetanide
■ethacrynic acid
■furosemide
others:

■chloroquine
■quinine
■anti-depressants
■Champix
Psychedelic drugs:

■5-MeO-DET
■5-Methoxy-diisopropyltryptamine
■Diisopropyltryptamine (DiPT)
■Harmaline
■N,N-dimethyltryptamine
■Psilocybin
■Salvinorin A
neurologic disorders:

■chiari malformation
■multiple sclerosis
head injury

■skull fracture
■closed head injury
■whiplash injury
■temporomandibular joint disorder
■giant cell arteritis
metabolic disorders:


■thyroid disorder
■hyperlipidemia
■vitamin B12 deficiency
■Iron deficiency anemia
psychiatric disorders:

■depression
■anxiety
other causes:

■Tension myositis syndrome
■fibromyalgia
■vasculitis
■hypertonia (muscle tension)
■thoracic outlet syndrome
■lyme disease
■hypnagogia
■sleep paralysis
■glomus tympanicum tumor
■anthrax vaccines which contain the Anthrax Protective Antigen

also chocolate , laxatives . good luck

mine were meds and it is wonderful no ringing yippppppppeeeeeeeeee