What Drugs Cause Loss of Interest in Sex?
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While some drugs increase libido, many others can reduce sexual desire or make intimacy more difficult.

This side effect can impact relationships, self-esteem, and overall quality of life. Knowing which substances may affect your sex drive can help guide recovery and treatment decisions.
1. Antidepressants (SSRIs & SNRIs) ππ§
- Commonly prescribed for anxiety, depression, and mood disorders
- Can reduce libido, cause erectile dysfunction, or delay orgasm
- Selective serotonin reuptake inhibitors (SSRIs) are the most well-known for this side effect
- Effects may continue even after the medication is stopped (known as PSSD in rare cases)
2. Antipsychotic Medications ππ€
- Used to treat schizophrenia, bipolar disorder, and severe depression
- Can interfere with dopamine, a key chemical in sexual desire
- May cause low libido, difficulty with arousal, or hormonal changes
- Examples include risperidone, olanzapine, and haloperidol
3. Benzodiazepines (e.g., Valium, Xanax) ππ€
- Often prescribed for anxiety, insomnia, or panic disorders
- Can lead to drowsiness, emotional blunting, and reduced libido
- Long-term use may cause dependence and further reduce interest in intimacy
4. Opioids (e.g., Oxycodone, Heroin) π©ΉπΆ
- Strong painkillers that depress the central nervous system
- Decrease testosterone levels, leading to reduced libido in both men and women
- Chronic use can result in sexual dysfunction, infertility, and emotional disconnection
5. Alcohol π·π»
- While it may initially reduce inhibitions, alcohol is a depressant
- Regular or heavy use can lower libido, reduce physical arousal, and lead to erectile issues
- Long-term use affects hormone balance and emotional intimacy
6. Marijuana πΏπ
- Effects vary widely, but some users report decreased motivation or emotional detachment
- High THC levels may blunt emotional responses and lower interest in sex over time
- May interfere with sexual function depending on frequency and dosage
7. Blood Pressure & Heart Medications β€οΈβ οΈ
- Beta-blockers and diuretics may affect circulation and sexual performance
- Some people experience reduced desire or arousal as a side effect
- Always speak with a doctor before making changes to essential medications
8. Chemotherapy or Cancer Drugs π§¬π§
- Can impact hormone levels, mood, and energy
- May reduce interest in sex during or after treatment due to physical and emotional changes
- Recovery of libido often depends on individual health and treatment outcomes
Final Thoughts: You're Not Alone π§ π¬
A reduced interest in sex due to medication or substance use is more common than people realize. It can feel frustrating—but it's often manageable with the right support.
Talking to a doctor or therapist about your concerns is a powerful first step. Intimacy can return with patience, self-care, and professional guidance.