Can Gabapentin Cause ED? Labels, Lyrica and Next Steps

Does gabapentin cause ED? What the label says

The label supports a possible connection, not a diagnosis for every man. The 2% versus 1% figures come from trials where gabapentin or placebo was added to existing epilepsy treatment—not a study of all men using it for pain (NEURONTIN (gabapentin) label).

Sexual side effects can involve desire, ejaculation or orgasm as well as erections: the NEURONTIN (gabapentin) label lists “changes in libido, ejaculation disorders and anorgasmia” after approval, without a reliable frequency or proof of causation from those voluntary reports.

Start with the timeline: write down when the problem began, when treatment started, and any recent prescription changes. Bring that record to your prescriber or online visit. For other possible contributors, see causes of ED.

Gabapentin, Lyrica and Horizant: what each label lists

Read the “where” column before comparing numbers. A placebo-controlled rate, a “frequent” category and a voluntary postmarketing report are different kinds of evidence.

Sources: NEURONTIN (gabapentin) label; LYRICA (pregabalin) label; LYRICA CR (pregabalin) label; HORIZANT (gabapentin enacarbil) label. Percentages are copied as printed; postmarketing reports cannot establish frequency or cause. Accessed Oct 31, 2026.

Does Lyrica cause ED? The LYRICA (pregabalin) label lists impotence as frequent, but that category is not a head-to-head comparison with gabapentin. These studies used different populations and designs, so the table cannot identify which medicine has the lowest risk for you.

What case reports and FDA reporting data add

Case reports help identify a possible problem; they do not tell you your odds. Keep their findings separate from the placebo-controlled label data above.

Sources: PubMed reports 18195659, 21612983 and 21602106; NEURONTIN (gabapentin) label. Accessed Oct 31, 2026.

A 2022 analysis of FDA adverse-event reports also identified ED reports involving gabapentin and pregabalin (NEURONTIN (gabapentin) label; LYRICA (pregabalin) label). Reporting data cannot establish causation or calculate incidence, so those reports are not a percentage of users who develop ED.

Why gabapentin may affect erections

The exact explanation for the sexual effects remains uncertain. The NEURONTIN (gabapentin) label describes binding to a calcium-channel subunit but says the relationship to its therapeutic effects is unknown; it also says gabapentin has no effect on GABA binding, uptake or degradation. This does not establish how erection problems occur.

Other contributors still deserve attention: NIDDK lists blood vessel, nerve and hormone conditions, anxiety and depression among ED causes. Use the antidepressants and ED, statins and ED, and lisinopril and ED guides to prepare questions about the rest of your medicine list.

Don’t stop gabapentin suddenly

Contact your prescriber before reducing, stopping or switching. The NEURONTIN (gabapentin) label calls for a gradual reduction over at least 1 week, with longer periods at the prescriber’s discretion, and warns that abrupt discontinuation can increase seizure frequency. The LYRICA (pregabalin) label also requires gradual withdrawal over at least 1 week.

A small gabapentin case series reported return of orgasm after reduction or stopping (NEURONTIN (gabapentin) label), but that does not predict recovery from ED or establish a recovery deadline. Ask what follow-up will be needed if your prescriber changes treatment.

Can you take Viagra or Cialis with gabapentin?

The labels do not list gabapentin as an interaction. We searched the Viagra (sildenafil) label, Cialis (tadalafil) label and NEURONTIN (gabapentin) label: no gabapentin–sildenafil or gabapentin–tadalafil interaction is named. Absence from a label is not evidence that a combination has been tested or is suitable for you.

The Viagra (sildenafil) label and Cialis (tadalafil) label warn that use with blood pressure medicines or alpha-blockers may lead to hypotension, with dizziness or fainting; the Cialis label adds substantial alcohol. The NEURONTIN (gabapentin) label reports dizziness and sleepiness and asks clinicians to watch for central nervous system depression when it is combined with other sedating drugs.

Bring your full medicine list, including opioids and sleep medicines, for review of the sedative precautions in the NEURONTIN (gabapentin) label. See Viagra, Cialis and blood pressure and Cialis and Viagra together before discussing ED treatment.

Safety checks before ED medication

• Sildenafil and tadalafil are contraindicated with organic nitrates or riociguat (Viagra (sildenafil) label; Cialis (tadalafil) label).
• An erection lasting more than 4 hours needs immediate medical care (Viagra (sildenafil) label; Cialis (tadalafil) label).
• Stop and seek care for sudden vision loss or sudden decrease or loss of hearing (Viagra (sildenafil) label; Cialis (tadalafil) label).
• Common adverse effects include headache and flushing with sildenafil, and headache, indigestion and back pain with tadalafil (Viagra (sildenafil) label; Cialis (tadalafil) label).
• The APOKYN (apomorphine) label contraindicates use with 5HT3 antagonists such as ondansetron and warns about nausea and fainting.

Do not add another ED medicine to an existing treatment on your own: the Viagra (sildenafil) label and Cialis (tadalafil) label say combinations with other PDE5 inhibitors or ED therapies have not been studied and advise against such use. See ED medication and nitrates for more detail.

What each path includes

You can ask about ED treatment while your regular prescriber reviews the medication timeline. Use the guide below to decide what to bring to each conversation.

Sources: NEURONTIN (gabapentin) label; LYRICA (pregabalin) label; NIDDK; Viagra (sildenafil) label; Cialis (tadalafil) label; FDA compounding Q&A; Mendoxa care information. Accessed Oct 31, 2026.

For more on options, see ED medication options or what doctor treats ED.

What to ask your prescriber

• “Did my erection, desire or orgasm problem begin after I started gabapentin or changed the dose?” Bring the dates and the symptom you want help with (NEURONTIN (gabapentin) label).
• “Could my other conditions or prescriptions contribute?” Bring a complete list, including nonprescription products.
• “If we change treatment, what taper and follow-up should I use?” Do not improvise a schedule (NEURONTIN (gabapentin) label; LYRICA (pregabalin) label).
• “Can I be assessed for an ED prescription while we review this?” Bring the same medicine list to the online visit.

If ED is the problem you want treated now

Make the online visit about the symptom you want help with. Describe what changed, your treatment timeline and all current medicines. Independent licensed providers assess whether prescription ED treatment fits your history. Prescription required.

Mendoxa offers a compounded rapid-dissolve tablet containing sildenafil, tadalafil and apomorphine. It is not FDA-approved. The Viagra (sildenafil) label, Cialis (tadalafil) label and APOKYN (apomorphine) label concern separate products; they do not establish the safety or effectiveness of this combination.

Read about the compounded combination ED tablet before your visit. The provider decides whether to prescribe; the Mendoxa table below shows the available quantities and costs.

Mendoxa ED plans and prices

The Mendoxa ED tablet is a compounded rapid-dissolve tablet with sildenafil (the active ingredient in Viagra), tadalafil (the active ingredient in Cialis) and apomorphine (APOKYN label). It dissolves under the tongue. A licensed clinician decides if it fits you and selects the strength. Compounded medicines are not FDA-approved.

The 3-month total covers three months at the monthly tablet quantity shown.

If prescribed · Cancel anytime · Available in 49 states (not California). Prices from the Mendoxa intake at try.mendoxa.co/f/ed on Oct 31, 2026. The intake always shows the current price.

FAQ

Does Lyrica cause erectile dysfunction?

Yes, it can. The LYRICA (pregabalin) label lists “Impotence” and “Anorgasmia” as frequent clinical-trial reactions, meaning they occurred at least once in at least 1 in 100 patients. Talk to your prescriber before changing treatment.

What are the common side effects of taking gabapentin?

The NEURONTIN (gabapentin) label lists sleepiness, dizziness and coordination problems among common adverse reactions in epilepsy trials; the pattern depends on the condition being treated. Report sexual changes too, even if they are not your most noticeable symptom.

Can I take Viagra or Cialis with gabapentin?

The Viagra (sildenafil) label and Cialis (tadalafil) label do not list gabapentin as an interaction. Both warn about low blood pressure with blood pressure medicines, and the NEURONTIN (gabapentin) label warns about dizziness and sleepiness, so a prescriber should review your full medicine list first.

Can I drink alcohol while taking gabapentin?

The NEURONTIN (gabapentin) label medication guide says not to drink alcohol or take other medicines that make you sleepy or dizzy without first talking with your healthcare provider. See ED and alcohol for related questions.

Can gabapentin be used to help with sleep?

Sleep treatment is not a listed indication in the NEURONTIN (gabapentin) label; its approved uses include postherpetic neuralgia and add-on treatment of partial-onset seizures. Sleepiness is a side effect, and the medication guide says to use it only for the condition for which it was prescribed.

Will gabapentin sexual side effects go away?

A small case series reported return of orgasm after gabapentin was reduced or stopped, but this does not establish how long ED will last. Plan any change with your prescriber: the NEURONTIN (gabapentin) label warns against abrupt stopping and specifies a gradual taper.

References

1. DailyMed: VIAGRA (sildenafil citrate) tablet, film coated, label revised 12/2017. Accessed Oct 31, 2026.
2. DailyMed: CIALIS (tadalafil) tablet, film coated, label revised 3/2026. Accessed Oct 31, 2026.
3. DailyMed: APOKYN (apomorphine hydrochloride) injection, label revised 6/2022. Accessed Oct 31, 2026.
4. FDA (Drugs@FDA): VIAGRA (sildenafil) prescribing information, NDA 020895. Accessed Oct 31, 2026.
5. FDA (Drugs@FDA): CIALIS (tadalafil) prescribing information, NDA 021368. Accessed Oct 31, 2026.
6. FDA: Compounding and the FDA, questions and answers. Accessed Oct 31, 2026.
7. DailyMed: NEURONTIN (gabapentin) capsules, tablets and oral solution label. Accessed Oct 31, 2026.
8. DailyMed: LYRICA (pregabalin) capsules and oral solution label. Accessed Oct 31, 2026.
9. DailyMed: LYRICA CR (pregabalin) extended-release tablets label. Accessed Oct 31, 2026.
10. DailyMed: HORIZANT (gabapentin enacarbil) extended-release tablets label. Accessed Oct 31, 2026.
11. Dalal A, Zhou L. Gabapentin and sexual dysfunction: report of two cases. Neurologist. 2008;14(1):50-1. PMID 18195659. Accessed Oct 31, 2026.
12. Kaufman KR, Struck PJ. Gabapentin-induced sexual dysfunction. Epilepsy Behav. 2011;21(3):324-6. PMID 21612983. Accessed Oct 31, 2026.
13. Perloff MD, et al. Anorgasmia with gabapentin may be common in older patients. Am J Geriatr Pharmacother. 2011;9(3):199-203. PMID 21602106. Accessed Oct 31, 2026.
14. Kaplan-Marans E, et al. Medications Most Commonly Associated With Erectile Dysfunction: Evaluation of the FDA National Pharmacovigilance Database. Sex Med. 2022;10(5):100543. PMID 35843193. Accessed Oct 31, 2026.
15. NIDDK: symptoms and causes of ED. Accessed Oct 31, 2026.
16. Mendoxa ED care (product, format, max 1 dose per 24 hours). Accessed Oct 31, 2026.
17. Mendoxa ED intake: plan prices (term_options). Accessed Oct 31, 2026.

Related guides

• Causes of ED
• Antidepressants and ED
• Statins and ED
• Lisinopril and ED
• ED and alcohol
• Viagra, Cialis and blood pressure
• ED medications compared
• Can ED be reversed?
• Sildenafil + tadalafil in one tablet

Explore Mendoxa ED care

Compounded medication prescribed only if a licensed U.S. clinician decides it is appropriate. Not FDA-approved as a finished product. Not available in California. This site is not for emergencies. Call 911 if you need urgent care.