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clomipramine vs protriptyline

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

Drug Class
clomipramine Tricyclic Antidepressant (TCA)
protriptyline Tricyclic Antidepressant (TCA)
Type
clomipramine Prescription
protriptyline Prescription
Summary
clomipramine

Clomipramine (Anafranil) is a medicine used to treat obsessive-compulsive disorder (OCD). It helps reduce unwanted thoughts and repetitive behaviors.

protriptyline

Protriptyline (Vivactil) is a medicine used to treat depression. It can help improve mood and energy levels in adults under close medical supervision.

What It Treats
clomipramine

Clomipramine treats obsessive-compulsive disorder (OCD). OCD causes upsetting thoughts or images that keep coming back. It also causes the need to repeat actions over and over. Clomipramine can help control these symptoms.

protriptyline

Protriptyline is used to treat symptoms of mental depression. It is especially helpful for people who are withdrawn and lack energy. Your doctor will monitor you closely while you are taking this medicine.

How It Works
clomipramine

Clomipramine is a type of antidepressant. It works by increasing the amount of certain chemicals in the brain. These chemicals help regulate mood and reduce OCD symptoms.

protriptyline

Protriptyline is a tricyclic antidepressant. It works by affecting certain natural chemicals in the brain. These chemicals help regulate mood.

Common Side Effects
clomipramine
  • Dry mouth
  • Constipation
  • Nausea
  • Upset stomach
  • Sleepiness
protriptyline

No common side effects listed.

FAERS Reports
clomipramine
  • Interaction with another medicine 226
  • Sleepiness 203
  • Falling down 202
  • Using the medicine for something it's not approved for 193
  • Shaking 185
protriptyline
  • Falling 12
  • Problem with how the product was intended to be used 10
  • Stopped taking the product 8
  • Sleep apnea 8
  • Anxiety 7
Serious Warnings
clomipramine

Antidepressants may increase the risk of suicidal thoughts or actions in children, teens, and young adults. Watch closely for worsening mood or unusual behavior. Clomipramine is only approved for OCD in children.

protriptyline

Antidepressants may increase the risk of suicidal thoughts and behaviors in children, teenagers, and young adults. Your doctor will closely monitor you for worsening depression, suicidal thoughts, or unusual changes in behavior. Families and caregivers should also watch for these changes. Protriptyline is not approved for use in children.

Pregnancy
clomipramine

Tell your doctor if you are pregnant or plan to become pregnant. Clomipramine may harm your unborn baby. It can also pass into breast milk, so talk to your doctor about breastfeeding.

protriptyline

Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. It is not known if protriptyline will harm an unborn baby. Talk to your doctor about the risks and benefits of taking this medicine during pregnancy or while breastfeeding.

Also Compare — Nearby Drugs

How to Read This clomipramine vs protriptyline Comparison

clomipramine is classified in the Tricyclic Antidepressant (TCA) drug class, while protriptyline sits within the Tricyclic Antidepressant (TCA) class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. 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, clomipramine has 1,009 submissions while protriptyline has 45. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between clomipramine and protriptyline — always consult your physician or pharmacist first.

Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.