amitriptyline vs fluconazole

PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.

Side-by-side comparison of amitriptyline and fluconazole. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

minor Known Drug Interaction

Amitriptyline, nortriptyline : Fluconazole increases the effect of amitriptyline and nortriptyline. 5-Nortriptyline and/or S-amitriptyline may be measured at initiation of the combination therapy and after 1 week. Dosage of amitriptyline/nortriptyline should be adjusted, if necessary.

Drug Class
amitriptyline Tricyclic Antidepressant (TCA)
fluconazole Azole Antifungal
Type
amitriptyline Prescription
fluconazole Prescription
Summary
amitriptyline

Amitriptyline is a medicine used to treat depression. It may take up to 30 days to feel the full effect.

fluconazole

Fluconazole is an antifungal medicine. It is used to treat infections caused by fungus.

What It Treats
amitriptyline

Amitriptyline is used to relieve the symptoms of depression. It works best for a type of depression called endogenous depression. This is depression that comes from within, rather than being caused by outside events.

fluconazole

Fluconazole treats vaginal yeast infections. It also treats yeast infections in the mouth and esophagus. Fluconazole can also treat urinary tract infections, peritonitis, systemic Candida infections, and pneumonia. It can also treat cryptococcal meningitis. Fluconazole can also prevent candidiasis in patients undergoing bone marrow transplantation.

How It Works
amitriptyline

Amitriptyline belongs to a class of drugs called tricyclic antidepressants (TCAs). It works by increasing the levels of certain chemicals in your brain. These chemicals help improve your mood.

fluconazole

Fluconazole works by stopping the growth of fungi. It blocks the fungus from producing a substance it needs to grow. This helps to clear up the infection.

Common Side Effects
amitriptyline
  • Drowsiness
  • Dizziness
  • Weakness
  • Fatigue
  • Headache
fluconazole
  • Headache
  • Nausea
  • Abdominal pain
FAERS Reports
amitriptyline
  • Pain 1,565
  • Nausea 1,434
  • Headache 1,381
  • Fatigue 1,371
  • Dyspnoea 1,340
fluconazole
  • Pyrexia 4,121
  • Nausea 3,697
  • Diarrhoea 3,538
  • Fatigue 3,151
  • Pain 3,123
Serious Warnings
amitriptyline

Antidepressants may increase the risk of suicidal thoughts or actions in children, teens, and young adults. Your doctor should closely monitor you for worsening depression or unusual changes in behavior. Amitriptyline is not approved for use in children.

fluconazole

Coadministration of other drugs known to prolong the QT interval and which are metabolized via the enzyme CYP3A4 such as erythromycin, pimozide, and quinidine are contraindicated in patients receiving fluconazole.

Pregnancy
amitriptyline

Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. It is not known if amitriptyline will harm your unborn baby. Amitriptyline can pass into breast milk.

fluconazole

Tell your doctor if you are pregnant or plan to become pregnant. Fluconazole may not be safe for your baby. Talk to your doctor about breastfeeding while taking fluconazole.

Also Compare, Nearby Drugs

How to Read This amitriptyline vs fluconazole Comparison

amitriptyline is classified in the Tricyclic Antidepressant (TCA) drug class, while fluconazole sits within the Azole Antifungal class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, amitriptyline has 7,091 submissions while fluconazole has 17,630. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to fluconazole slows down how fast your body gets rid of amitriptyline, which can make the drug's effects stronger.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for amitriptyline or fluconazole.

Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.