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Have you been prescribed Citalopram? Let's learn what to expect, how to take it safely, and what to watch out for.

Dr. Priya Sammani (MBBS)
Medically Reviewed by Dr. Priya Sammani (MBBS) ✓ Medically Reviewed
📅 Updated: Oct 20, 2026 • ⏱ 9 min read • Editorial Policy
Have you been prescribed Citalopram? Let's learn what to expect, how to take it safely, and what to watch out for.
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Have you or someone in your family been prescribed Citalopram by your doctor to help manage depression? Starting any new medicine often brings a mix of questions, curiosity, and even a bit of worry. That is completely normal when you are trying to understand something new for your health.

Today, we will talk simply and warmly about what Citalopram is, how it affects your body, and what you need to keep in mind while taking it. Let us walk through this together so you feel confident, informed, and supported every step of the way.

Key Takeaways

  • Citalopram is a widely prescribed prescription medicine used mainly to treat depression and improve your mood.
  • It belongs to a family of medicines called SSRIs, which help keep your brain's natural feel-good chemical balanced.
  • Always follow your doctor's exact instructions and never stop taking this medicine suddenly on your own.
  • It can take several weeks of consistent use before you start feeling the full benefits of the treatment.
  • Tell your doctor about all other medicines, supplements, and health conditions before you start taking Citalopram.
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What Is Citalopram?

Simply put, Citalopram is a prescription medicine used to treat mental health conditions like depression. It belongs to a specific group of medicines known as SSRIs, which stands for Selective Serotonin Reuptake Inhibitors.

Now, you might wonder what an SSRI actually does in your body. Inside your brain, you have a chemical messenger called serotonin. This chemical helps control your mood, happiness, and calmness.

During times of depression, your brain's serotonin level can drop too low. Citalopram helps keep that serotonin working in your brain for a longer time. This process helps lift your mood and brings you back to feeling like yourself.

Doctors may also recommend this medicine for other health conditions besides depression. The best way to understand why it was prescribed for you is to talk directly with your doctor.

Things to Tell Your Doctor Before Starting Citalopram

Before you take your first dose of Citalopram, sharing your complete health history with your doctor is extremely important. Some medical conditions and past experiences change how this medicine affects you.

Please make sure to let your doctor know if any of the following health situations apply to you or anyone in your immediate family.

Information Type What You Should Tell Your Doctor
Mental Health History History of bipolar disorder, family mental health conditions, thoughts of self-harm, or previous suicide attempts.
Heart & Blood Issues Heart conditions, irregular heart rhythms, bleeding disorders, or taking medicines that prevent blood clots.
Other Health Conditions Glaucoma, kidney disease, liver disease, seizures, or thyroid gland problems.
Lab Levels & Treatments Low blood levels of magnesium or potassium, or currently receiving electroconvulsive therapy treatments.
Personal Info & Allergies Allergies to Citalopram, Escitalopram, or other medicines, foods, or dyes. Pregnancy, trying to conceive, or breastfeeding.

How to Use This Medicine Properly

Taking your medicine correctly ensures it works safely and effectively in your body. Here are the key rules to keep in mind every single day.

  • Follow doctor orders: Always take the exact dose your doctor prescribed at the exact time they recommended.
  • Measure carefully: If your medicine comes as a liquid solution, use only the special measuring spoon or oral syringe provided. Never use ordinary kitchen teaspoons or tablespoons because they do not give accurate doses.
  • Food timing: You can take this medicine either with food or on an empty stomach. Food does not change how your body absorbs it.
  • Never stop suddenly: This rule is very important. Never stop taking Citalopram without talking to your doctor first. Stopping suddenly can cause dizziness, nausea, tiredness, or make your original symptoms return. If you need to stop, your doctor will slowly lower your dose over time.
  • What if you miss a dose?: If you forget to take your medicine, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and stay on your normal schedule. Never take two doses at the same time to make up for a forgotten one.

Emergency Warning: What to Do If You Take Too Much

If you believe you or someone else has taken too much Citalopram by accident, do not wait. Call 911 in the US or 999 in the UK right away, or go to the nearest hospital Emergency Department (ER or A&E) right away. Quick action saves lives in overdose situations.

This medicine was prescribed just for you. Even if someone else has the exact same symptoms, never share your medicine with them.

Other Things That Can Intersect with This Medicine

Citalopram interacts with other medicines, foods, and herbal supplements. Sharing a complete list of everything you put into your body with your doctor helps prevent unwanted reactions.

Medicines You Must Never Take Together

If you take any of the following medicines, you must not use Citalopram at the same time. Doing so creates serious health risks.

  • MAOI antidepressant medicines like Carbex or Eldepryl.
  • Linezolid or intravenous Methylene blue injections.
  • Pimozide or Thioridazine heart medicines.
  • Escitalopram, which is chemically very similar to Citalopram.
  • Cisapride or Dronedarone.
  • Certain antifungal medicines like fluconazole or ketoconazole.

Things That Need Careful Monitoring

Taking Citalopram alongside the following items requires careful medical supervision and discussion with your doctor.

  • Alcohol drinks and beverages.
  • Aspirin and common NSAID pain relievers like Ibuprofen or Naproxen.
  • Other blood-thinning medicines like Warfarin.
  • Other antidepressants or anxiety relief medicines.
  • Triptan medicines used for migraine headaches.
  • Herbal supplements such as St. John's wort.
  • Strong pain relievers like Tramadol or Fentanyl.

This list does not cover every possible interaction. Always tell your doctor about every vitamin, herbal product, and prescription medicine you use.

What Should I Watch Out for While Taking This Medicine?

As you go through your treatment journey, keeping a few practical daily tips in mind makes a big difference.

  • Be patient: It can take several weeks before you feel the full benefits of Citalopram. Do not stop taking it during the first few days just because you do not feel an instant change.
  • Monitor your mood closely: Especially when you first start treatment or when your doctor changes your dose, pay attention to any sudden changes in your thoughts or feelings. If you notice increased sadness, restlessness, or thoughts of self-harm, contact your doctor right away.
  • Watch for dizziness and sleepiness: This medicine can make you feel sleepy or dizzy. Avoid driving cars, operating heavy machinery, or doing dangerous tasks until you know how the medicine affects you. Older adults should stand up slowly from sitting positions to avoid fainting.
  • Manage dry mouth: Dry mouth is a common mild side effect. You can easily manage this by sipping water often throughout the day or chewing sugar-free gum.

What Side Effects Might Occur?

Like all medicines, Citalopram can cause side effects, though not everyone experiences them.

Side Effect Overview
Serious Side Effects (Contact Your Doctor or Emergency Services Right away)
Allergic Reactions Skin rashes, itching, swelling of your face, lips, or tongue, and difficulty breathing.
Unusual Bleeding Black or tarry stools, red or dark urine, vomit that looks like coffee grounds, or unexplained purple skin spots.
Heart Rhythm Changes Fast heartbeat, irregular pulse, severe dizziness, chest pain, or shortness of breath.
Serotonin Syndrome Confusion, restlessness, heavy sweating, fever, muscle twitching or stiffness, vomiting, and diarrhea.
Low Sodium Levels Muscle weakness, extreme tiredness, headaches, and mental confusion.
Common Mild Side Effects (Tell Your Doctor If They Persist)
Everyday Mild Effects Dry mouth, mild nausea, loose stools, stomach discomfort, heavy sweating, slight tremors, or changes in sexual desire.

💡 Take-Home Message

Managing your mental health is a brave and important step forward. Here are the core reminders to take away from our guide today:

  • Citalopram is a helpful prescription medicine for depression. Always follow your doctor's instructions carefully.
  • Give the medicine time to work by staying patient and continuing your treatment for several weeks.
  • Never stop taking your medicine suddenly without talking to your doctor first.
  • Disclose all your current medicines, herbal products, and health conditions to your doctor before starting treatment.
  • Watch closely for any sudden mood shifts or thoughts of self-harm, especially during the early weeks of treatment.
  • Seek emergency medical help right away if you experience signs of an overdose or a severe allergic reaction.
❓ FAQ

Frequently Asked Medical Questions (FAQ)

Evidence-based clinical answers to common patient questions

How long does it take for Citalopram to start working?

Most people begin to notice small improvements in their sleep, appetite, or energy levels within the first one to two weeks. However, the full emotional benefits for your mood can take four to six weeks or even longer. Staying patient and taking your dose every day is essential.

Can I drink alcohol while taking Citalopram?

It is generally best to avoid or strictly limit alcohol while taking Citalopram. Alcohol can increase side effects like extreme sleepiness, dizziness, and poor coordination. It can also make your depression symptoms feel worse.

What should I do if I accidentally miss a dose?

Take the missed dose as soon as you remember it later that day. If it is almost time for your next scheduled dose, skip the missed one entirely and continue with your normal routine. Never take two doses at once to make up for a forgotten pill.

Is it safe to stop taking Citalopram suddenly if I feel better?

No, stopping suddenly is unsafe and can trigger unpleasant withdrawal effects like dizziness, nausea, headaches, and anxiety. If you feel ready to stop your medicine, talk to your doctor first. They will help you slowly and safely reduce your dose over time.

Does Citalopram cause weight gain?

Some people do experience changes in weight while taking Citalopram. Weight gain can happen for certain people over long-term use. This others might experience a decreased appetite initially. Discuss any concerns about weight changes with your doctor during your follow-up visits.

📚

Verified Scientific & Medical References (PubMed / WHO)

✓ Peer-Reviewed Sources
  1. National Health Service (NHS UK). Citalopram overview, dosage, and side effects. Available from: NHS Medicines Information.
  2. U.S. Food and Drug Administration (FDA). Citalopram prescribing information and patient medicine guide. Available from: FDA Drug Database.
  3. Mayo Clinic. Citalopram (Oral Route) description and proper use guidelines. Available from: Mayo Clinic Patient Care.
  4. Cleveland Clinic. SSRIs: Mechanism of action, uses, and potential side effects. Available from: Cleveland Clinic Health Library.
  5. World Health Organization (WHO). Depression and mental health treatment guidelines. Available from: WHO Mental Health Portal.
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