Sertraline Does NOT Improve Sexual Function—It Significantly Impairs It
Sertraline causes sexual dysfunction in a substantial proportion of patients and should be avoided when sexual health is a priority. Among SSRIs, sertraline causes sexual dysfunction in 14% of males and 6% of females at minimum, though real-world rates are likely much higher due to underreporting 1.
Evidence-Based Sexual Dysfunction Rates with Sertraline
The evidence consistently demonstrates that sertraline impairs rather than improves sexual function:
- Sertraline causes sexual dysfunction in 41-63% of patients in direct comparative trials, with women experiencing 41% incidence and men 63% incidence when systematically assessed 2.
- Sexual dysfunction emerges as early as day 7 of sertraline treatment at doses as low as 50 mg/day and persists throughout treatment 2.
- More than 70% of patients treated with sertraline experience sexual side effects when directly questioned, compared to only 14% when spontaneously reported—highlighting massive underreporting 3, 4.
Mechanism of Sexual Dysfunction
Sertraline impairs sexual function through multiple pathways 1:
- Delayed or absent orgasm (most common in both sexes)
- Decreased libido
- Ejaculatory dysfunction in males
- Arousal difficulties
The effects are strongly dose-related, with higher doses causing more severe and frequent sexual dysfunction 5, 3.
Clinical Algorithm: When Sexual Function Matters
If sexual function is a concern, do NOT use sertraline. Instead, follow this evidence-based approach:
First-Line Alternative: Bupropion
- Bupropion has dramatically lower sexual dysfunction rates (8-10%) compared to sertraline's 41-63% 1, 6, 2.
- The American College of Physicians recommends bupropion as first-line therapy when sexual function is a major concern 1.
- Contraindications: Do not use in patients with seizure disorders or significant agitation 1, 6.
Second-Line Alternatives
If bupropion is contraindicated 1:
- Mirtazapine: Lower sexual dysfunction rates than SSRIs, but causes sedation and weight gain
- Escitalopram or fluvoxamine: Lowest sexual dysfunction rates among SSRIs if an SSRI must be used 1, 4
If Already on Sertraline with Sexual Dysfunction
The American College of Physicians recommends switching to bupropion as the primary management strategy 1. Other options include:
Special Clinical Context: Premature Ejaculation
The ONLY scenario where sertraline improves sexual function is in men with pre-existing premature ejaculation 7, 3:
- Sertraline is specifically recommended for treating premature ejaculation by delaying ejaculation 7.
- 12 male patients with premature ejaculation in one study preferred to maintain the delayed ejaculation effect, with improved sexual satisfaction for both patients and partners 3.
- For this specific indication, sertraline is dosed daily at 25-200 mg 7.
Critical Pitfalls to Avoid
- Do not assume patients will spontaneously report sexual dysfunction—only 14% report it without direct questioning, versus 58% when asked directly 3.
- Do not wait for tolerance to develop—only 5.8% of patients experience complete resolution within 6 months, while 81.4% show no improvement 3.
- Do not use buspirone augmentation—there is no evidence supporting its effectiveness for SSRI-induced sexual dysfunction 1.
- Monitor testosterone levels (total morning testosterone >300 ng/dL), as low testosterone can independently contribute to decreased libido 1.