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Published on: 9/24/2026

Is citalopram a controlled substance?

Citalopram (brand name Celexa) is not a controlled substance in the United States, meaning it carries no DEA schedule classification because it is not considered to have abuse or addiction potential. It is, however, a prescription-only SSRI antidepressant, so it can only be obtained and adjusted under the direction of a licensed clinician. Even though it is not scheduled, citalopram should never be stopped abruptly, as discontinuation symptoms such as dizziness, irritability, flu-like feelings, and electric-shock sensations can occur, and it also carries dose limits tied to heart rhythm (QT prolongation) risks. There are several other important considerations, including drug interactions, mood or suicidality warnings, and state-level prescribing rules, so see below to understand more.

If you are weighing whether citalopram or another treatment fits your situation, or you are noticing new symptoms while taking it, getting clarity on what you are experiencing is the smartest first step. A free, instant, online symptom check can help you organize your symptoms, understand possible causes, and see which next steps or type of clinician to prioritize before your next appointment.

Last reviewed for medical accuracy: 09/24/2026

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Explanation

Is citalopram a controlled substance? Here’s what you need to know about citalopram’s legal status, how it works, and safe use.

What Is Citalopram?
Citalopram is a prescription medication in the class of selective serotonin reuptake inhibitors (SSRIs). It’s commonly used to treat:

  • Major depressive disorder
  • Anxiety disorders (off-label)
  • Obsessive-compulsive disorder (off-label)

SSRIs like citalopram increase serotonin levels in the brain, which can improve mood, reduce anxiety, and help you think more clearly.


Controlled Substance: Definition and Scheduling

A “controlled substance” is a drug regulated by law because of its potential for abuse or dependence. In the United States, the Drug Enforcement Administration (DEA) categorizes controlled substances into five schedules (I-V):

  • Schedule I: No accepted medical use; high abuse potential (e.g., heroin).
  • Schedule II: High abuse potential, severe dependence risk (e.g., oxycodone).
  • Schedule III–IV: Moderate to low potential for abuse/dependence (e.g., certain painkillers, anti-anxiety meds).
  • Schedule V: Lower potential for abuse (e.g., some cough medicines).

Is Citalopram a Controlled Substance?

No—citalopram is not classified as a controlled substance by the DEA. It is:

  • Approved by the U.S. Food and Drug Administration (FDA) for depression.
  • Prescribed under standard prescription rules (no special DEA registration required).
  • Not subject to the strict dispensing limits that apply to controlled substances.
  • Considered to have a low risk of abuse or dependence compared to benzodiazepines or opioids.

Because it’s not scheduled, you won’t see citalopram on the DEA’s Schedules list. Your doctor can write a prescription that you fill at a pharmacy just like any other non-controlled medication.


Why Citalopram Isn’t a Controlled Substance

SSRIs such as citalopram have:

  • Low abuse potential: They don’t produce euphoria or a “high.”
  • Minimal physical dependence: Stopping abruptly can cause withdrawal-like symptoms, but this is different from addiction.
  • Therapeutic benefit: Clear medical use in treating depression and anxiety.

These characteristics place citalopram outside DEA scheduling criteria.


How to Take Citalopram Safely

Even though citalopram isn’t controlled, it’s still a prescription drug. Follow your healthcare provider’s directions:

  1. Dosage and timing

    • Usual starting dose: 20 mg once daily.
    • May increase to 40 mg daily after several weeks, depending on response.
    • Take at the same time each day, with or without food.
  2. Missed doses

    • Take as soon as you remember on the same day.
    • Skip if it’s almost time for your next dose—do not double up.
  3. Stopping treatment

    • Do not stop suddenly.
    • Your doctor will recommend a gradual taper to reduce withdrawal symptoms (dizziness, irritability, “brain zaps”).
  4. Monitoring

    • Regular follow-up appointments help track mood changes and side effects.
    • Report any new or worsening symptoms right away.

Possible Side Effects

Most people tolerate citalopram well, but be aware of:

  • Common effects (usually mild; often subside in 1–2 weeks):
    • Nausea
    • Headache
    • Dry mouth
    • Sweating
    • Sleep changes (insomnia or drowsiness)
  • Less common but serious (contact your doctor immediately):
    • Suicidal thoughts or changes in mood, especially in young adults
    • Signs of an allergic reaction: rash, itching, swelling, severe dizziness
    • Unusual bleeding or bruising
    • Seizures

If you ever feel life-threatening symptoms or severe side effects, seek medical attention without delay.


Interactions and Precautions

Before starting citalopram, share your full health history and medication list:

  • Other antidepressants: Risk of serotonin syndrome if combined without proper oversight.
  • Blood thinners: May increase bleeding risk when paired with SSRIs.
  • St. John’s Wort or other supplements: Can interfere with SSRI effects.
  • Liver or kidney issues: Dose adjustments may be necessary.
  • Pregnancy and breastfeeding: Discuss benefits and risks with your provider.

Keeping Track of Your Progress

Feeling better on citalopram can take several weeks. To get the most benefit:

  • Maintain a mood diary—note sleep, appetite, energy, and mood changes.
  • Attend therapy or counseling if recommended—medication often works best with talk therapy.
  • Stay active, eat a balanced diet, and practice good sleep hygiene.

If you’re unsure whether your symptoms point to depression, anxiety, or another condition, consider a free, online symptom check, using the doctor approved Ubie Symptom Checker. It’s a quick way to gather insights and decide when to reach out for professional care.


Key Takeaways on “citalopram controlled substance”

  • Citalopram is not a controlled substance under DEA scheduling.
  • It has low abuse potential and is prescribed like other non-controlled antidepressants.
  • Always follow your doctor’s instructions for dosing, stopping, and monitoring.
  • Be aware of side effects and interactions—report serious issues promptly.
  • Use tools like the Ubie Symptom Checker to better understand your symptoms.

When to Speak to a Doctor

Nothing in this guide replaces personalized medical advice. If you experience:

  • Thoughts of harming yourself or others
  • Serious allergic reactions (trouble breathing, swelling)
  • New or worsening depression or anxiety
  • Unmanageable side effects

Speak to your doctor right away—or in an emergency, call 911. Always consult a healthcare professional before starting or stopping any medication.

(References)

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  • * Vieweg WV, Hasnain M, Howland RH. The reply. Am J Med. 2013 Jun;126(6):e23. doi: 10.1016/j.amjmed.2012.11.016. PMID: 23684406.

  • * Horton DB, Gerhard T, Davidow A, Strom BL. Impact of the black triangle label on prescribing of new drugs in the United Kingdom: lessons for the United States at a time of deregulation. Pharmacoepidemiol Drug Saf. 2017 Nov;26(11):1307-1313. doi: 10.1002/pds.4304. Epub 2017 Aug 31. PMID: 28857309; PMCID: PMC5670006.

  • * Hooimeyer A, Bhasale A, Perry L, Fabbri A, Mohammad A, McEwin E, Mintzes B. Regulatory post-market drug safety advisories on cardiac harm: A comparison of four national regulatory agencies. Pharmacol Res Perspect. 2020 Dec;8(6):e00680. doi: 10.1002/prp2.680. PMID: 33169534; PMCID: PMC7652786.

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