A drop in sex drive is one of the most common sexual health concerns, and it’s almost always reversible once you identify what’s behind it. Low desire can stem from hormonal shifts, medication side effects, sleep habits, stress, or relationship dynamics, and often it’s a combination of several factors at once. The good news is that each of these has a concrete path forward.
Check Your Medications First
If your libido disappeared around the time you started a new medication, that’s probably not a coincidence. Antidepressants are the most common culprits. SSRIs and SNRIs, the most widely prescribed class of antidepressants, cause sexual dysfunction in an estimated 58 to 73% of people taking them. That includes reduced desire, difficulty with arousal, and trouble reaching orgasm. Among specific drugs, paroxetine, fluoxetine, sertraline, and escitalopram carry the highest rates of desire-related side effects.
Blood pressure medications, hormonal birth control, antihistamines, and anti-anxiety drugs can also suppress desire. If you suspect a medication is the issue, talk to your prescriber about alternatives. Some antidepressants have a notably lower impact on sexual function. Switching medications or adjusting the dose resolves the problem for many people, though changes should always be managed with your prescriber rather than done abruptly.
Hormones and What to Look For
Testosterone plays a central role in sexual desire for both men and women, not just men. In men, low testosterone can result from aging, obesity, chronic illness, or certain medications. Zinc deficiency alone can tank testosterone levels: in one study, young men placed on a low-zinc diet for 20 weeks saw their testosterone drop by nearly 75%. When elderly men with low zinc intake were supplemented, their testosterone levels almost doubled. Foods rich in zinc include oysters, red meat, pumpkin seeds, and lentils.
For women, desire often fluctuates with estrogen and progesterone levels across the menstrual cycle, during pregnancy, postpartum, while breastfeeding, and through perimenopause and menopause. These are normal fluctuations. But if low desire persists and causes you distress, it may meet the criteria for hypoactive sexual desire disorder (HSDD), defined as a marked reduction in both spontaneous desire (sexual thoughts or fantasies) and responsive desire (interest triggered by erotic cues or stimulation). The key diagnostic requirement is personal distress. If you’re content with your level of desire, it’s not a disorder regardless of how it compares to someone else’s.
A simple blood panel measuring testosterone, estrogen, thyroid hormones, and prolactin can reveal whether a hormonal imbalance is contributing. This is worth pursuing before trying other interventions, because correcting a hormonal issue often restores desire without any other changes.
Sleep, Exercise, and Blood Flow
Total sleep deprivation (24 hours or more without sleep) measurably reduces testosterone in men. While shorter periods of poor sleep haven’t shown the same clear-cut hormonal effect in studies, chronic sleep disruption still affects desire through other pathways: it raises stress hormones, lowers mood, and drains the energy that makes sex feel appealing rather than like another obligation. Consistently getting seven to nine hours is one of the simplest interventions available.
Exercise directly improves sexual function through multiple mechanisms. Cardiovascular activity boosts your body’s production of nitric oxide, a compound that relaxes blood vessel walls and increases blood flow. This matters because arousal in both men and women depends on blood flow to the genitals. Regular aerobic exercise (even brisk walking) improves this process over time. Resistance training has the added benefit of supporting healthy testosterone levels. You don’t need to train like an athlete. Three to four sessions per week of moderate exercise produces measurable improvements in both desire and arousal within a few weeks.
Stress and the Mental Side of Desire
Chronic stress is one of the most underestimated libido killers. When your body stays in a prolonged stress response, it prioritizes survival over reproduction at a biochemical level, suppressing the hormonal signals that drive desire. But the mental component matters just as much. When your mind is occupied with work deadlines, financial pressure, or caregiving responsibilities, there’s simply less mental space for sexual interest to emerge.
Mindfulness-based approaches have shown consistent benefits for sexual desire. These techniques train you to stay present during sexual experiences rather than drifting into distraction, self-criticism, or performance anxiety. Studies have found moderate to moderately large effect sizes (in the range of d = 0.55 to 0.65) favoring mindfulness over control conditions for sexual functioning. In practical terms, this means regularly practicing body-focused awareness, both during daily life and during sexual activity, can meaningfully shift your experience of desire over weeks to months.
Cognitive behavioral therapy also helps when low desire is tied to negative beliefs about sex, body image concerns, or past experiences. If your low desire started after a specific life event, a relationship change, or a period of depression, working with a therapist who specializes in sexual health can accelerate recovery significantly compared to trying to push through it alone.
Relationship Factors
Desire doesn’t exist in a vacuum. Unresolved conflict, feeling emotionally disconnected from a partner, resentment, or a pattern where sex feels routine all erode desire over time. Many people assume the problem is physical when it’s actually relational. If you notice that your desire is low specifically with your partner but not in other contexts (fantasies, new attraction, solo arousal), the relationship dynamic is likely a major factor.
Couples who address this directly, whether through honest conversation or with a couples therapist, often see desire return once the emotional barriers are cleared. Practical steps include creating nonsexual physical intimacy (touch that doesn’t lead to sex), reducing pressure around sexual frequency, and openly discussing what each person finds arousing rather than relying on assumptions built years ago.
Supplements With Actual Evidence
Most supplements marketed for libido have little clinical support, but maca root is a notable exception. In a randomized, double-blind, placebo-controlled trial, men who took approximately 5 grams of maca daily for 12 weeks showed significant improvements in sexual desire and erectile function compared to the placebo group. Maca appears to work through mechanisms separate from testosterone, since it improves desire without consistently changing hormone levels in blood tests. It’s generally well tolerated, though the effective dose (about 5 grams per day, taken in divided doses) is higher than what many commercial capsules contain, so check the label.
Other commonly promoted supplements like ashwagandha, fenugreek, and tribulus have more mixed evidence. They may help in specific situations, particularly when stress or mild hormonal imbalance is involved, but the research is less robust than for maca.
Prescription Options for Persistent Low Desire
For women diagnosed with HSDD, two prescription treatments are available. Flibanserin is a daily pill that works on brain chemistry related to desire. It modestly increases the number of satisfying sexual events per month, but comes with notable side effects including dizziness, sleepiness, and fatigue. Alcohol must be avoided while taking it due to the risk of severe low blood pressure and fainting. Bremelanotide is an injectable taken as needed before sexual activity, working through a different pathway that activates arousal signaling in the brain. Both options require a diagnosis of HSDD and tend to work best alongside the lifestyle and psychological approaches described above.
For men, testosterone replacement therapy is effective when blood tests confirm low levels. When testosterone is normal, the issue is more likely related to the other factors covered here: medications, stress, sleep, cardiovascular health, or psychological and relational dynamics.
A Practical Starting Point
Rather than trying everything at once, it helps to work through potential causes systematically. Review any medications you’re taking and their known sexual side effects. Get bloodwork to check hormone and nutrient levels. Honestly assess your sleep, stress, exercise habits, and relationship satisfaction. Most people find that two or three factors are contributing simultaneously, and addressing even one of them produces a noticeable shift. Desire is responsive to change, and for the vast majority of people, it comes back once the obstacles are identified and removed.