lithium vs tranylcypromine

According to this portal's Publishing Organization, this page was last reviewed in August 2026 against our methodology. Figures and extracts on this site, including tables above 1,000 rows when the corpus is that large, are the publisher's responsibility.

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

moderate Known Drug Interaction

Product Clinical Comment on Concomitant Use [See Contraindications (4.1)] ; Predominant Effect/Risk [Hypertensive Reaction (HR) [See Warnings and Precautions (5.3)] ; or Serotonin Syndrome (SS) [See Warnings and Precautions (5.7)] ] Altretamine Use with caution If not otherwise specified in this table, consider avoiding concomitant use (see also information on medication-free intervals , use agent at the lowest appropriate dose, monitor for effects of the interaction, advise the patient to report potential effects, and be prepared to discontinue the agent and treat effects of the...

Drug Class
lithium Mood Stabilizer
tranylcypromine Monoamine Oxidase Inhibitor (MAOI)
Type
lithium Prescription
tranylcypromine Prescription
Summary
lithium

Lithium is a mood stabilizer medicine. It helps to balance mood swings.

tranylcypromine

Tranylcypromine (Parnate) is a medicine used to treat major depression in adults. It is used when other antidepressants have not worked well enough.

What It Treats
lithium

Lithium is used to treat bipolar disorder. Bipolar disorder causes unusual shifts in mood, energy, activity levels, and concentration. Lithium helps to control the extreme highs (mania) and lows (depression) of this condition.

tranylcypromine

Tranylcypromine is used to treat major depressive disorder (MDD) in adults. You should only use it if other antidepressants haven't helped. It is not for the first treatment of depression because it can cause serious side effects and has many drug and food interactions.

How It Works
lithium

Lithium affects the flow of sodium in nerve and muscle cells in the body. This helps to stabilize your mood. It may also affect other chemical messenger systems in the brain.

tranylcypromine

Tranylcypromine belongs to a class of drugs called MAO inhibitors. It works by increasing the levels of certain chemicals in your brain. These chemicals can help improve your mood.

Common Side Effects
lithium
  • Tremor (shaking)
  • Nausea
  • Increased weight
  • Fatigue (feeling tired)
  • Vomiting
tranylcypromine
  • Dry mouth
  • Dizziness
  • Trouble sleeping
  • Feeling sleepy
  • Headache
FAERS Reports
lithium
  • Toxicity To Various Agents 2,179
  • Drug Interaction 1,526
  • Tremor 1,462
  • Nausea 1,344
  • Weight Increased 1,153
tranylcypromine
  • Drug Interaction 68
  • Depression 36
  • Serotonin Syndrome 27
  • Headache 24
  • Hypertension 24
Serious Warnings
lithium

Lithium levels in your blood need to be monitored closely by your doctor. Too much lithium can be toxic and cause serious side effects. Make sure to attend all scheduled blood tests.

tranylcypromine

Tranylcypromine can increase the risk of suicidal thoughts and behaviors in young adults. It can also cause a dangerous increase in blood pressure if you eat foods high in tyramine or take certain medicines. Make sure to follow all food and drug restrictions.

Pregnancy
lithium

Lithium can harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. Lithium can pass into breast milk and may harm a nursing infant. Talk to your doctor about the best way to feed your baby if you are taking lithium.

tranylcypromine

There is limited information about the safety of tranylcypromine during pregnancy. Talk to your doctor if you are pregnant or plan to become pregnant. It is not recommended to breastfeed while taking this medicine because it can harm the baby.

Also Compare, Nearby Drugs

Compare tranylcypromine with

How to Read This lithium vs tranylcypromine Comparison

lithium is classified in the Mood Stabilizer drug class, while tranylcypromine sits within the Monoamine Oxidase Inhibitor (MAOI) 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, lithium has 7,664 submissions while tranylcypromine has 179. 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 moderate interaction flagged in FDA labeling, attributed to combining these medications increases the risk of a toxic buildup of brain chemicals or a sudden spike in blood pressure. both drugs affect the nervous system in ways that can lead to these severe reactions.. 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 lithium or tranylcypromine.

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