Antidepressant Selector Tool
Recommended Antidepressants
When you or someone you care about needs a mood‑lifting prescription, the market can feel like a maze of brand names and chemical formulas. Daxid is one of the most common choices, but is it the best fit for every situation? This guide breaks down Daxid (sertraline) side by side with the most widely used alternatives, so you can spot the strengths, weaknesses and the right moments to switch.
Key Takeaways
- Daxid is an SSRI that excels at treating depression and anxiety with a well‑established safety record.
- Fluoxetine, citalopram, escitalopram and paroxetine share the same class but differ in half‑life, drug interactions and side‑effect profiles.
- Venlafaxine and duloxetine are SNRIs that add pain‑relief benefits but may raise blood pressure.
- Bupropion works on dopamine and norepinephrine, making it a good option for patients who experience sexual side effects on SSRIs.
- Choosing the right drug depends on diagnosis, other medications, lifestyle and how tolerant you are of specific side effects.
What is Daxid (Sertraline)?
Daxid is the brand name for sertraline, a selective serotonin reuptake inhibitor (SSRI) approved for major depressive disorder, generalized anxiety disorder, panic disorder, social anxiety, post‑traumatic stress disorder and obsessive‑compulsive disorder. It was first launched in the UK in 1991 and has become a staple of modern psychiatry because it balances efficacy with a relatively gentle side‑effect profile.
How does sertraline work?
Sertraline blocks the reabsorption of serotonin in the brain, raising the level of this mood‑regulating neurotransmitter in the synaptic gap. More serotonin translates into better mood stability and reduced anxiety. The mechanism is shared by all SSRIs, but sertraline has a slightly higher affinity for the serotonin transporter, which many clinicians link to a quicker onset of action.

Typical uses and dosage
The usual adult starting dose for depression is 50mg once daily, taken in the morning or evening. Depending on response, doctors may increase to 100mg, and the maximum recommended dose is 200mg per day. For anxiety disorders, the same range applies, but some physicians begin at 25mg to minimize initial nausea. Sertraline is taken with or without food, but a consistent routine helps keep blood levels steady.
Major alternatives at a glance
Below are the most common antidepressants that patients compare with Daxid. Each entry includes a brief definition, therapeutic class, and a note on a distinguishing feature.
- Fluoxetine is an SSRI best known for its long half‑life, which makes missed doses less risky.
- Citalopram is an SSRI prized for its mild side‑effect profile, but it requires dose limits for patients over 60 to avoid QT prolongation.
- Escitalopram is the S‑enantiomer of citalopram, offering slightly higher potency and faster symptom relief.
- Paroxetine is an SSRI with strong anticholinergic effects, often chosen for patients who also need sleep aid.
- Venlafaxine is an SNRI that adds norepinephrine reuptake inhibition, useful for pain‑related depression.
- Duloxetine is an SNRI frequently prescribed for diabetic neuropathy and fibromyalgia alongside mood symptoms.
- Bupropion is a norepinephrine‑dopamine reuptake inhibitor (NDRI) that rarely causes sexual dysfunction.
Head‑to‑head comparison
Drug (brand) | Class | Typical max dose (mg) | Common side effects | Notable advantage |
---|---|---|---|---|
Daxid | SSRI | 200 | Nausea, insomnia, sexual dysfunction | Strong evidence across many anxiety disorders |
Fluoxetine | SSRI | 80 | Dry mouth, agitation, weight loss | Very long half‑life, forgiving of missed doses |
Citalopram | SSRI | 40 (max 20mg >60yrs) | Fatigue, QT prolongation risk | Generally mild side‑effect profile |
Escitalopram | SSRI | 20 | Headache, nausea, sexual dysfunction | Higher potency, quicker response |
Paroxetine | SSRI | 50 | Drowsiness, weight gain, withdrawal | Good for patients needing sedative effect |
Venlafaxine | SNRI | 375 | Increase in blood pressure, nausea | Helps with chronic pain and low‑energy depression |
Duloxetine | SNRI | 120 | Dry mouth, dizziness, liver enzyme rise | Effective for neuropathic pain |
Bupropion | NDRI | 450 | Insomnia, dry mouth, seizures at high dose | Low sexual side‑effects, useful for smoking cessation |

Pros and cons of each option
Daxid shines when a patient needs a proven SSRI that tackles both depression and a range of anxiety disorders. Its downsides are the familiar SSRI trio of sexual dysfunction, occasional insomnia, and a potential for increased anxiety during the first weeks.
Fluoxetine is great for people who travel or have erratic schedules because its 4‑week half‑life smooths out blood‑level dips. However, it can be more activating, which may worsen anxiety for some.
Citalopram is often chosen for older adults due to fewer drug‑interaction warnings, yet it demands dose capping to avoid heart rhythm issues.
Escitalopram delivers faster relief for many, but the price tag can be higher than generic sertraline.
Paroxetine helps insomnia‑prone patients, but its short half‑life leads to noticeable withdrawal if stopped abruptly.
Venlafaxine adds a pain‑modulating edge, yet clinicians must monitor blood pressure every few weeks.
Duloxetine covers both mood and musculoskeletal pain, but liver function tests are advisable before long‑term use.
Bupropion avoids the sexual side‑effects that often drive patients away from SSRIs, but it can raise seizure risk at high doses and may cause insomnia.
How to pick the right antidepressant for you
- Identify the main symptom driver. If anxiety is dominant, an SSRI with strong anxiolytic data (sertraline, escitalopram) is logical. If pain or fatigue dominates, consider an SNRI.
- Check existing meds. Sertraline and fluoxetine have fewer cytochrome‑P450 interactions than paroxetine, which inhibits many enzymes.
- Assess side‑effect tolerance. Sexual dysfunction → think bupropion. Insomnia → avoid activating agents like fluoxetine.
- Review medical history. Cardiovascular disease → avoid venlafaxine’s blood‑pressure spike. Liver disease → limit duloxetine.
- Factor in cost and formulation. Generic sertraline, citalopram and fluoxetine are cheap in the UK. Some newer agents may require a prescription‑prepayment certificate.
- Plan the taper. Drugs with short half‑lives (paroxetine) need a slower taper to prevent discontinuation syndrome.
Discuss these points with a GP or psychiatrist; they can run blood tests if needed and tailor the dose gradually.
Frequently Asked Questions
How long does it take for Daxid to start working?
Most patients notice an improvement in mood or anxiety after 2‑4 weeks, but the full therapeutic effect may need up to 8 weeks.
Can I switch from Daxid to another SSRI safely?
Yes, but a doctor will usually taper sertraline over 1‑2 weeks and then start the new SSRI at a low dose to avoid serotonin syndrome.
Why do some people experience sexual side effects on sertraline?
Serotonin influences libido pathways; higher levels can dampen sexual desire and delay orgasm. Switching to bupropion or adding a low dose of a PDE‑5 inhibitor can help.
Is it safe to take Daxid during pregnancy?
Sertraline is classified as Category C in the UK, meaning it should only be used if the benefits outweigh potential risks. Discuss thoroughly with a obstetrician.
What should I do if I miss a dose of Daxid?
Take the missed tablet as soon as you remember, unless it’s almost time for the next dose. Then skip the missed one and continue as scheduled. Never double‑dose.