Tinnitus Medical Treatment
Antidepressants
Tricyclic Antidepressants (TCAs)
-
Mechanism: Inhibit serotonin and norepinephrine
reuptake; sedative and anticholinergic effects
Indications: Tinnitus with comorbid depression, anxiety, or insomnia
Caution: Anticholinergic side effects (dry mouth, cognitive slowing); cardiotoxicity in overdose
Selective Serotonin Reuptake Inhibitors (SSRIs)
-
Role: May help reduce distress in patients with anxiety or depression
Evidence: Mixed; not proven to reduce tinnitus loudness
Adverse effects: Sexual dysfunction, GI symptoms, withdrawal syndrome
Benzodiazepines
-
Mechanism: GABA-A receptor agonists → sedation, anxiolysis
Use: Short-term relief in severe tinnitus-related anxiety or insomnia
Risks: Dependence, tolerance, cognitive impairment, falls in elderly
Anticonvulsants
-
Rationale: Modulate neural hyperexcitability
Evidence: Limited and inconsistent
Adverse effects: Sedation, dizziness, mood changes
Anxiolytics / Hypnotics
Melatonin: May improve sleep quality and reduce perception in some patients
Hydroxyzine: Antihistamine with anxiolytic effects; sometimes used for nocturnal symptoms
Other Medications
NMDA Antagonists
Calcium Channel Blockers
Ginkgo Biloba (Herbal)
Mechanism: Vasoactive and antioxidant properties
Evidence: Contradictory; not superior to placebo in most trials
Use with caution: May increase bleeding risk
Summary Table
Drug Class | Examples | Target | Comment |
Antidepressants | Amitriptyline, Paroxetine | Mood, distress | May reduce emotional impact |
Benzodiazepines | Clonazepam | Anxiety, insomnia | Use short-term only |
Anticonvulsants | Gabapentin, Topiramate | Neural excitability | Off-label use |
Hypnotics | Melatonin | Sleep | Well-tolerated adjunct |
Vascular agents | Verapamil | Vascular regulation | Experimental |
Herbal | Ginkgo Biloba | Circulation, stress | Inconclusive evidence |
Limitations
No drug currently cures tinnitus
Most treatments are off-label and based on small studies
Focus should be on individualized symptom control
Randomized double-blind placebo-controlled clinical trials
In a randomized, double-blind, placebo-controlled clinical trial, Lee et al. aimed to determine the optimal dosing strategies for two pharmacological combinations in tinnitus
1)
Major Weaknesses
⚠️ 2. Descriptive Data Masquerading as Evidence
No inferential statistics reported for dose comparisons
No placebo-adjusted outcomes presented in this secondary analysis
Authors infer “dose optimization” from trends that lack statistical significance
⚠️ 3. Pharmacologic Oversight
No rationale for combining drugs with overlapping toxicity (e.g., anticholinergic + cognitive + cardiovascular effects)
No pharmacokinetic modeling, interaction studies, or tolerability stratification
⚠️ 4. Misleading Framing with MCID
⚠️ 5. Language Bias and Overinterpretation
Clinical Applicability
No long-term follow-up
No safety profile for chronic use of either combination
No reproducibility due to small sample and lack of confirmatory trials
No generalizability to real-world tinnitus subtypes
Conclusion