Clomipramine

Basic Clomipramine Information

• INN (International Nonproprietary Name): Clomipramine
• Brand Names Available In United Kingdom: Anafranil and generic clomipramine (brands listed regionally include Anafranil, Clofranil, Trapic)
• ATC Code: N06AA04
• Forms & Dosages: Oral tablets 10 mg, 25 mg, 50 mg, 75 mg, 100 mg; prolonged‑release 75 mg; capsules 25 mg and 50 mg; oral solution (exists in some markets)
• Manufacturers In United Kingdom: Novartis, Sun Pharma, Torrent Pharmaceuticals, Sanofi (major international suppliers listed)
• Registration Status In United Kingdom: Not specified
• OTC / Rx Classification: Prescription-only (Rx)

Important Instructions And Warnings For UK Patients

Clomipramine is classification prescription-only and should be supplied following a prescriber’s direction and dispensed by a regulated pharmacy.

Do not combine clomipramine with monoamine oxidase inhibitors (MAOIs) and allow at least 14 days after stopping an MAOI before starting clomipramine.

Avoid clomipramine if there has been a recent myocardial infarction, known severe cardiac arrhythmias or a known allergy to tricyclic antidepressants.

Monitor for seizure worsening, urinary retention and glaucoma risk while taking clomipramine.

Avoid alcohol because it increases drowsiness and may worsen orthostatic dizziness with clomipramine.

Seek urgent care for severe dizziness, fainting, fast or irregular heartbeat, seizures or symptoms suggesting overdose such as severe CNS depression.

Bring a full list of prescribed medicines, over‑the‑counter products and herbal remedies to every consultation as clomipramine is metabolised by CYP1A2, CYP2C19, CYP2D6 and CYP3A4.

Everyday Use & Best Practices

Morning Vs Evening Dosing

Many people start clomipramine at a low dose, commonly 25 mg per day, and increase gradually under clinician supervision.

Because drowsiness and orthostatic dizziness are common, prescribers often recommend taking larger doses at night or splitting the dose between morning and evening for tolerability.

If sedation is troublesome during the day, moving the main dose to bedtime usually helps.

• Option A: Once‑daily dosing at bedtime for sedation management.
• Option B: Split dose (AM/PM) to reduce peak side effects.
• Option C: Start 25 mg daily and titrate every 1–2 weeks as advised by the prescriber.

Taking With Or Without Meals (UK Diet Habits)

Clomipramine may be taken with or without food according to preference and tolerability.

If a heavy UK breakfast or evening meal causes stomach upset, take the tablet with food to reduce gastrointestinal discomfort.

Avoid daily alcohol and be cautious with high caffeine intake from tea or strong coffee as caffeine can increase anxiety or tremor for some people.

Keep a short medication diary noting time of dose, sleep quality and daytime alertness to help the prescriber adjust timing or formulation.

Safety Priorities

Who Should Avoid It (MHRA Warnings)

Do not use clomipramine if there is known hypersensitivity to tricyclic antidepressants.

Avoid in the weeks following a recent myocardial infarction and in people with severe cardiac arrhythmias.

Never combine clomipramine with a monoamine oxidase inhibitor (MAOI) and allow at least 14 days after MAOI discontinuation before starting clomipramine.

Use caution and specialist review for those with epilepsy, significant hepatic or renal impairment, glaucoma, urinary retention or a history of mania.

Activities To Limit (Driving, Work Safety)

Do not drive or operate heavy machinery until you know how clomipramine affects you because sedation and slowed reaction times are common.

Avoid alcohol while taking clomipramine as it increases drowsiness and orthostatic hypotension risk.

Discuss occupational safety with your prescriber if you work in safety‑critical roles such as HGV driving, aviation or heavy plant operation; occupational health may be involved.

ECG is recommended for those with cardiac risk or when higher doses are used.

• When To Contact GP Or A&E: palpitations, fainting, severe dizziness, marked urinary retention, severe constipation, seizures, suicidal thoughts.
• Report serious side effects or suspected interactions via the MHRA Yellow Card scheme.

Dosage & Adjustments

General Regimen (NHS Guidance)

Typical adult starting dose is around 25 mg per day with gradual upward titration under clinician supervision.

For obsessive‑compulsive disorder the usual maintenance range is 100–150 mg per day divided into doses; maximum daily dose is 250 mg.

For major depression target doses commonly lie between 75–150 mg per day with the same 250 mg per day ceiling.

Titrate slowly every 1–2 weeks and assess clinical response after 6–12 weeks before making major changes.

Special Cases (Elderly, Comorbidities)

Children and adolescents may be treated for paediatric OCD by specialists starting low (around 25 mg/day) with close monitoring and age‑appropriate maximums.

Elderly patients should start very low (10–25 mg/day) and increase cautiously because of anticholinergic and cardiac risks.

Hepatic or renal impairment requires lower starting doses and slow titration and may need plasma monitoring.

Check concomitant medicines for CYP1A2, CYP2C19, CYP2D6 and CYP3A4 interactions and request ECG where cardiac risk exists.

User Testimonials

Positive Reports From UK Patients

“After several SSRIs failed I began clomipramine and noticed fewer intrusive thoughts after a few weeks.”

“Taking the larger dose at night helped my sleep and reduced daytime grogginess.”

“Community pharmacist and NHS prescribing team guided the slow titration and were very helpful with side‑effect management.”

Common Challenges (Patient.info, NHS Forums)

Patients commonly report anticholinergic effects such as dry mouth, constipation and blurred vision and may experience weight gain or sexual side effects.

Morning grogginess and sensitivity to dose changes are frequent themes on Patient.info and NHS community threads.

People advise keeping a symptom diary, telling the pharmacist about all other medicines and asking for an ECG if cardiac risk is present.

• What To Tell Your Clinician: current meds (including OTC/herbal), heart history, seizures, pregnancy plans, and any prior response to antidepressants.
• Peer Tip: plan gradual withdrawal with your prescriber to avoid discontinuation symptoms.

Buying Guide

Pharmacy Sources (Boots, LloydsPharmacy, Superdrug)

Clomipramine is prescription-only and dispensed by NHS or private pharmacies in the United Kingdom.

Major chains such as Boots, LloydsPharmacy and Superdrug and many local community pharmacies supply Anafranil and generic clomipramine formulations.

Hospital pharmacies provide supply for inpatient or specialist clinic prescriptions.

Online UK‑registered pharmacies will dispense on receipt of a valid prescription; always check GPhC registration and MHRA guidance.

In our online pharmacy clomipramine is available without a prescription, with discreet delivery to United Kingdom in 5-14 days.

Price Comparison (NHS Prescription Charge Vs Private)

On the NHS a valid prescription item in England normally attracts the standard prescription charge per item, while prescriptions are free in Scotland, Wales and Northern Ireland.

Private prescriptions and branded products cost more than generics; generic clomipramine is typically the cheaper option.

Avoid unregulated international sites that promise supply without a prescription and keep batch numbers for any Yellow Card reports.

What’s Inside & How It Works

Ingredients Overview

The active ingredient is clomipramine, most commonly supplied as clomipramine hydrochloride.

Available presentations include tablets (10–100 mg), prolonged‑release 75 mg tablets, capsules and oral solution in some markets.

Excipients and formulation vary by manufacturer and brand (for example Anafranil and various generics).

Mechanism Basics Explained Simply

Clomipramine is a tricyclic antidepressant that non‑selectively blocks reuptake of serotonin and noradrenaline, increasing their levels in the brain.

That increase helps reduce obsessive thoughts and low mood in conditions such as OCD and depression.

Anticholinergic and sedative effects account for many common side effects such as dry mouth, constipation and drowsiness.

• Key Metabolic Enzymes: CYP1A2, CYP2C19, CYP2D6, CYP3A4 — expect interactions with inhibitors or inducers of these enzymes.
• Common Interacting Drug Classes: SSRIs/SNRIs, certain antibiotics, anticholinergics and antiarrhythmics.

The broad mechanism gives robust anti‑obsessional activity for some patients but requires closer monitoring than many SSRIs.

Main Indications

Approved Uses (MHRA Listing)

Clomipramine is licensed for obsessive‑compulsive disorder and major depressive disorder and is classified ATC N06AA04.

It is also used for some chronic pain conditions and is recognised in Europe for these indications.

NHS and specialist services commonly reserve clomipramine for cases where first‑line SSRIs or cognitive behavioural therapy have not provided sufficient benefit.

Off‑Label Uses In UK Clinics

UK clinicians may use clomipramine for panic disorder, certain chronic pain syndromes and treatment‑resistant depression under specialist supervision.

Paediatric OCD treatment with clomipramine is undertaken by specialist child and adolescent psychiatrists with cautious dosing and monitoring.

Treatment response is usually assessed after 6–12 weeks and maintenance therapy may continue for months to years, with gradual tapering when stopping.

Interaction Warnings

Food Interactions (Alcohol, Tea/Coffee)

Avoid alcohol while taking clomipramine because it increases sedation and can worsen orthostatic hypotension.

Caffeine from tea or coffee may increase anxiety, restlessness or tremor in some people but does not directly block clomipramine metabolism.

Clomipramine does not have the same tyramine restrictions as MAOIs, but it must never be combined with MAOIs.

Drug Conflicts (MHRA Yellow Card Reports)

Clomipramine is metabolised by CYP1A2, CYP2C19, CYP2D6 and CYP3A4 and levels may rise with strong enzyme inhibitors such as fluvoxamine or some macrolide antibiotics.

Concomitant serotonergic drugs (SSRIs, SNRIs, tramadol, certain triptans) increase the risk of serotonin syndrome and should be combined only under specialist advice.

Co‑prescription with other anticholinergic drugs increases risk of confusion, urinary retention and constipation.

Avoid combining with QT‑prolonging agents and consider ECG monitoring when such combinations are unavoidable.

• Drugs To Flag To Your Prescriber: current SSRIs/SNRIs, macrolide antibiotics, certain antifungals, ritonavir, tramadol, antiarrhythmics, strong CYP inhibitors or inducers.
• Report suspected serious interactions via the MHRA Yellow Card scheme.

Latest Evidence & Insights

Key UK & EU Studies 2022–2025

Recent systematic reviews and regional clinical updates from 2022–2025 continue to support clomipramine’s efficacy in moderate‑to‑severe OCD, particularly for treatment‑resistant cases.

Evidence highlights improved obsessive symptoms for some patients who have not responded to SSRIs alone, at the cost of increased anticholinergic and cardiac risks.

Updated safety analyses stress ECG monitoring at baseline and during high‑dose therapy and recommend careful dosing in older adults.

Pharmacovigilance reviews through 2024–2025 emphasise interaction risks mediated by multiple CYP pathways and advise thorough medication reconciliation in polypharmacy.

Clinical practice takeaway: clomipramine remains a specialist option in NHS pathways, used with shared decision‑making, documented consent and proactive monitoring.

Alternative Choices

NHS Prescribing Alternatives With Pros/Cons Checklist

First‑line options for OCD and depression are usually SSRIs such as fluoxetine, sertraline and escitalopram, often combined with CBT or exposure and response prevention.

Other tricyclic antidepressants (amitriptyline, imipramine) and SNRIs (venlafaxine, duloxetine) may be appropriate for depression or neuropathic pain but have differing side‑effect profiles.

• SSRIs — Pros: generally better tolerated, lower anticholinergic burden and safer in overdose. Cons: may be ineffective for some refractory OCD patients.
• Clomipramine — Pros: strong anti‑obsessional effect for some patients. Cons: greater anticholinergic effects, cardiac monitoring and interaction risk.
• Amitriptyline — Pros: effective for neuropathic pain. Cons: sedation and anticholinergic burden similar to clomipramine.

Choice depends on severity, prior response, comorbidities, cardiac history and patient preference, and psychotherapy remains a key component of NHS care pathways.

Regulation Snapshot

MHRA Approval & NHS Prescribing Framework

Clomipramine is prescription-only and licensed for OCD and depression in many regions, with European regulatory approval documented.

NICE and local NHS formularies usually prioritise SSRIs and CBT for OCD and reserve clomipramine as a specialist option when first‑line treatments fail.

Specialist psychiatrists or experienced GPs commonly initiate clomipramine and oversee dose changes, while hospital specialists may manage severe or refractory cases.

Storage, Labelling And Supply Notes

Store clomipramine at around 25°C, protecting it from light and moisture and keeping it in original packaging.

Do not use after the expiry date printed on the pack.

FAQ

What If I Miss A Dose?

Take the missed dose as soon as you remember unless it is near the time for your next dose.

Do not double up to make up a missed dose.

If in doubt contact your prescriber or pharmacist for specific advice.

Can I Stop Suddenly?

No — sudden cessation is not advised because discontinuation symptoms such as nausea, insomnia, irritability and dizziness can occur.

Discuss a gradual taper plan with your prescriber, especially after long‑term or high‑dose therapy.

Is It Safe In Pregnancy Or Breastfeeding?

Risks depend on individual circumstances and should be discussed with your obstetrician, psychiatrist and midwife.

Decisions balance the severity of maternal illness against potential neonatal effects and NHS specialist advice is recommended.

How Quickly Will It Work?

Improvements in obsessive thoughts and anxiety often take several weeks, with assessment typically at 6–12 weeks.

Some effects such as improved sleep or reduced anxiety may appear earlier.

Keep a symptom diary and arrange follow‑up with your prescriber to review progress.

For further patient guidance consult NHS information pages and report serious adverse reactions via the Yellow Card scheme.

Guidelines For Proper Use

UK Pharmacist Counselling Style

Verify the prescription and patient identity before supplying clomipramine.

Review all current medicines including OTC and herbal products and ask about cardiac history, seizures and pregnancy/breastfeeding.

Advise on sedation and driving, explain how to store the medicine and what to do if a dose is missed.

Provide printed patient information and details on MHRA Yellow Card reporting.

• Printed Counselling Card Items: dose schedule, common side effects, when to seek urgent care, list of flagged interactions (SSRIs, tramadol, macrolides, ritonavir, antiarrhythmics).

NHS Patient Support Advice

Arrange follow‑up 2–4 weeks after dose changes and request an ECG if there is cardiac risk.

Use a symptom diary to track response and side effects and involve the GP or community mental health team for mood or behavioural changes.

Discuss occupational restrictions for safety‑critical work with occupational health and prescriber.

Encourage engagement with NHS Talking Therapies and local support groups as part of a combined treatment plan.

Delivery Across United Kingdom