Antidepressant Side Effect Checker
Choose Your Situation
Your Risk Assessment
Low risk
High risk
Recommended Actions
Medication Comparison
| Medication | Sexual Side Effect Risk | Number Needed to Harm |
|---|---|---|
| Bupropion (Wellbutrin) | Low | Not applicable |
| Paroxetine (Paxil) | Very High | 2-4 |
| Sertraline (Zoloft) | High | 3-6 |
| Fluoxetine (Prozac) | Moderate | 5-8 |
| Venlafaxine (Effexor XR) | High | 3-5 |
| Mirtazapine (Remeron) | Low | Not applicable |
Important: For patients reporting persistent sexual dysfunction after stopping antidepressants, consult your doctor about Post-SSRI Sexual Dysfunction (PSSD).
When you start taking an antidepressant, you’re hoping to feel better-less overwhelmed, more like yourself. But for many, a quiet, painful side effect creeps in: sexual side effects. Loss of desire. Trouble getting or keeping an erection. Inability to reach orgasm. Dryness. These aren’t rare glitches. They’re common, often ignored, and sometimes permanent. If you’ve experienced this, you’re not alone-and you don’t have to just live with it.
How Common Are Sexual Side Effects from Antidepressants?
About 35% to 70% of people taking SSRIs or SNRIs report sexual problems. Some studies using detailed questionnaires say the number climbs to 80%. That’s not a small group-it’s the majority. And it’s not just about libido. It’s about function, sensation, and connection. Men report erectile issues (58%), delayed ejaculation (53%), and low desire (64%). Women report reduced lubrication (52%), anorgasmia (49%), and lack of interest (61%). These numbers come from pooled data across 25 clinical trials. They’re not guesses. They’re measured facts. But here’s the twist: depression itself causes sexual problems. Around 35% to 50% of people with untreated major depression already have low desire or trouble with arousal. So how do you know if it’s the illness or the medicine? That’s the first question your doctor should help you answer. If your sex life improved slightly after starting the drug, it might be the depression lifting. But if it got worse-or stayed broken-it’s likely the medication.Which Antidepressants Cause the Most Sexual Side Effects?
Not all antidepressants are equal when it comes to sex. The biggest offenders are SSRIs-fluoxetine (Prozac), sertraline (Zoloft), paroxetine (Paxil), and citalopram (Celexa). Among them, paroxetine is the worst. It has the highest rate of orgasm problems, with one study showing that for every 2 to 4 people taking it, one will develop sexual dysfunction that wouldn’t have happened otherwise. That’s called the number needed to harm (NNH). Lower numbers mean higher risk. SNRIs like venlafaxine (Effexor XR) aren’t much better. They carry a similar risk. Tricyclics like clomipramine (Anafranil) also cause problems. But then there are the exceptions. Bupropion (Wellbutrin) stands out. Multiple trials show it causes significantly fewer sexual side effects than SSRIs. In fact, people switching from sertraline or fluoxetine to bupropion often see improvement in desire, arousal, and orgasm within weeks. One study found 68% of patients reported better sexual function after the switch. Mirtazapine (Remeron) and agomelatine (Valdoxan) are two other options with lower sexual side effect profiles. Nefazodone (Serzone) used to be a good choice too, but it was pulled from many markets because of rare liver damage. So while it’s effective for sex, the risk isn’t worth it for most.What Can You Do If You’re Struggling?
You have options. And you don’t have to suffer in silence. 1. Talk to your prescriber. This is the first and most important step. Most doctors don’t bring up sexual side effects unless you do. Don’t be embarrassed. Use clear language: “I’ve lost interest in sex since starting this medication.” Or, “I can’t climax anymore.” That’s enough to start the conversation. 2. Consider switching. If you’re on paroxetine or sertraline, switching to bupropion is the most evidence-backed move. Studies show it works. And it’s cheap-generic bupropion XL costs about $16 a month. Brand-name Zoloft? Around $58. You’re not just improving your sex life-you’re saving money. 3. Try a lower dose. Sometimes, reducing the dose helps. About 20% to 30% of people see improvement without losing antidepressant benefits. But don’t do this on your own. Tapering too fast can cause withdrawal symptoms like dizziness, brain zaps, or mood crashes. Work with your doctor to adjust slowly. 4. Add a helper medication. For men with erectile issues, sildenafil (Viagra) works well. One trial showed 65% to 70% improvement on SSRIs, compared to just 25% on placebo. For women, adding bupropion (150mg daily) to their SSRI improved sexual function in 58% of cases. Another option is cyproheptadine (4mg at night), which helped 52% of women with SSRI-induced anorgasmia in a 2021 study. 5. Take a drug holiday. Some people take a short break from their antidepressant-say, Friday night to Sunday morning-to let their body reset. This works best with long-acting drugs like fluoxetine. But it’s risky with paroxetine, which leaves your system fast and can cause withdrawal. Only do this under medical supervision.
What About Post-SSRI Sexual Dysfunction (PSSD)?
This is the scary one. A small number of people-between 0.5% and 1.2%-report sexual problems that don’t go away after stopping the medication. Symptoms include persistent low libido, genital numbness, and inability to orgasm, lasting months or even years. It’s rare, but real. Since 2010, there have been 28 published case reports. The cause isn’t fully understood, but it’s thought to involve long-term changes in brain receptors after prolonged serotonin exposure. If you’ve been off antidepressants for more than six months and still have sexual issues, tell your doctor. There’s no standard treatment yet, but some patients report improvement with time, counseling, or experimental therapies like low-dose dopamine agonists. Research is ongoing, including a drug called SEP-227162 in Phase II trials that shows promise for reducing sexual side effects without compromising mood.What About Newer Options?
Esketamine (Spravato) is a newer treatment for treatment-resistant depression. It’s given as a nasal spray under supervision. In clinical trials, only 3.2% of users reported sexual side effects-far lower than SSRIs. But it’s expensive-about $880 per dose-and requires clinic visits. It’s not a first-line option, but for people who’ve tried everything else, it’s a viable path. Also, pharmacogenomic testing is becoming more common. Some people metabolize SSRIs slowly due to genetic differences (like CYP2D6 poor metabolizers). If you’re one of them, even a normal dose can cause high levels of the drug in your blood, increasing side effects. Testing can help explain why one person tolerates sertraline fine while another can’t handle even a low dose.