Sertraline Drug Profile

What is Sertraline?

Sertraline is a prescription medication belonging to a class of antidepressants known as selective serotonin reuptake inhibitors (SSRIs). It is primarily used to treat depression and various anxiety disorders by helping to restore the balance of serotonin in the brain. Sertraline is one of the most commonly prescribed antidepressants worldwide and has been available since the 1990s.

Uses

Sertraline is FDA-approved for several mental health conditions:

• Major depressive disorder: Used to treat persistent feelings of sadness, hopelessness, and loss of interest in daily activities
• Panic disorder: Helps reduce the frequency and intensity of panic attacks and associated anxiety
• Obsessive-compulsive disorder (OCD): Reduces intrusive thoughts and compulsive behaviors in both adults and children
• Social anxiety disorder: Alleviates excessive fear and avoidance of social situations
• Post-traumatic stress disorder (PTSD): Helps manage symptoms following traumatic experiences
• Premenstrual dysphoric disorder (PMDD): Reduces severe mood changes and physical symptoms before menstruation

How it works

Sertraline works by blocking the reabsorption of serotonin in the brain, a neurotransmitter that plays a crucial role in regulating mood, anxiety, and other emotional states. By preventing serotonin from being taken back up by nerve cells, sertraline increases the amount of available serotonin in the spaces between neurons. This enhanced serotonin activity helps improve communication between brain cells and can lead to better mood regulation and reduced anxiety over time.

Side effects

Common side effects include:

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• Nausea and stomach upset
• Diarrhea or loose stools
• Drowsiness or fatigue
• Dry mouth
• Dizziness
• Sexual dysfunction or decreased libido
• Insomnia or sleep disturbances
• Increased sweating

Serious side effects requiring immediate medical attention:

• Serotonin syndrome (confusion, rapid heart rate, high fever, muscle rigidity)
• Suicidal thoughts or behaviors, especially in young adults
• Severe allergic reactions with difficulty breathing or swelling
• Abnormal bleeding or bruising
• Manic episodes (unusually elevated mood, racing thoughts, decreased need for sleep)

Warnings and precautions

• Suicide risk: Sertraline carries a black box warning for increased risk of suicidal thoughts and behaviors in children, adolescents, and young adults under 25, particularly during the first few months of treatment
• Pregnancy considerations: Sertraline is classified as pregnancy category C, meaning potential benefits may warrant use despite potential risks. Use during late pregnancy may cause complications in newborns
• Liver function: Patients with liver impairment may require dosage adjustments, as sertraline is metabolized in the liver
• Bipolar disorder: Can trigger manic episodes in individuals with undiagnosed bipolar disorder
• Withdrawal symptoms: Abrupt discontinuation can cause withdrawal symptoms; gradual tapering under medical supervision is recommended

Interactions

• Monoamine oxidase inhibitors (MAOIs): Can cause dangerous serotonin syndrome; requires 14-day washout period
• Warfarin and blood thinners: Sertraline may increase bleeding risk when combined with anticoagulants
• NSAIDs and aspirin: Increased risk of gastrointestinal bleeding when used together
• Other antidepressants: Combining with other serotonergic medications increases serotonin syndrome risk
• Tramadol: Pain medication that can increase serotonin levels and cause dangerous interactions
• St. John’s Wort: Herbal supplement that can increase serotonin activity and cause adverse effects
• Alcohol: May worsen side effects like drowsiness and impair judgment
• CYP2D6 substrates: Sertraline can affect the metabolism of certain medications processed by this liver enzyme

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Dosage

Typical adult dosages vary depending on the condition being treated. For depression and most anxiety disorders, the usual starting dose is 25-50 mg once daily, which may be gradually increased to 50-200 mg daily based on response and tolerance. For PMDD, dosing may be continuous or limited to the luteal phase of the menstrual cycle. Children and adolescents typically start with lower doses. All dosage adjustments should be made gradually and only under the guidance of a healthcare provider, as individual responses to sertraline can vary significantly.

Sources: FDA DailyMed drug labels (public domain), BNF, WHO Essential Medicines List. This article is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before starting or stopping any medication.

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