Topical capsaicin 8% patches improve pain in HIV neuropathy, meta-analysis findsCapsaicin patches may help reduce pain for people with HIV

Pain management Published September 4, 2026 Study authors: Goodwin Brandon J, Jain Ankur, Mitchell Jessica, Khokhar Daniel, Fagbemigun Richard, Brancaccio Hann… PubMed ↗ DOI ↗ Editorial oversight: Dr. Amelia Tan, PhD · Internal Medicine & Chronic Disease

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Key Takeaway

Consider topical capsaicin 8% patches for HIV neuropathy pain, but interpret cautiously due to heterogeneity.

This meta-analysis evaluated the efficacy of 8% topical capsaicin patches for reducing neuropathic pain in patients with HIV-induced polyneuropathy. The analysis pooled pain scores before and after patch application across included studies. The primary outcome was improvement in pain score, and the pooled effect size was large (d = 0.991, 95% CI 0.619-1.36). A leave-out analysis excluding studies with the highest risk of bias yielded a similar effect size (d = 0.96), suggesting the result was not driven solely by those studies.

However, the authors noted high heterogeneity among the included studies, which limits the precision and generalizability of the findings. The review did not report details on study design, sample sizes, comparators, or follow-up durations, and no safety data were available. The certainty of the evidence was not formally assessed.

Despite the promising effect size, the authors caution against overstating the effectiveness of capsaicin patches in reducing neuropathic pain. The analysis is based on association, not causation, and the lack of comparator data means the specific benefit relative to other treatments or placebo remains unclear.

For clinicians, these findings suggest that 8% topical capsaicin patches may offer a useful option for managing HIV-related neuropathic pain, but the high heterogeneity and absence of long-term safety data mean that individual patient responses and tolerability should be carefully monitored. Further well-designed comparative studies are needed to confirm these results and establish the role of capsaicin patches in clinical practice.

Living with HIV can sometimes cause nerve damage, leading to a condition called polyneuropathy. This often results in painful sensations that can make daily life difficult. Researchers looked at how topical capsaicin patches, which contain a common spicy compound, might help manage this specific type of nerve pain.

The analysis focused on patients using 8% capsaicin patches. The results showed that these patches led to a significant improvement in pain scores for the most common application times. Even when looking only at the highest quality studies, the data showed a consistent improvement in pain levels for those using the treatment.

While the results are promising for managing nerve pain, the researchers noted that the studies they looked at were quite different from one another. This variety makes it harder to know exactly how much the treatment helps every individual. If you are experiencing nerve pain, talk to your doctor about whether these patches are a safe and effective option for your specific needs.

What this means for you:

Topical capsaicin patches may help reduce nerve pain for people with HIV-induced polyneuropathy.

Common questions

What is capsaicin and how does it work for nerve pain?

Capsaicin is the compound that gives peppers their heat. In this study, it was used in 8% topical patches. The research found that these patches were effective in reducing neuropathic pain, which is the type of nerve pain caused by HIV.

Is the capsaicin patch effective for HIV-related nerve pain?

Yes, the study showed an improvement in pain scores for patients using the 8% capsaicin patches. The results remained consistent even when the researchers looked only at the studies with the lowest risk of bias.

Are there any known side effects to using these patches?

The specific data provided for this study did not report on any adverse events, serious side effects, or issues with how well patients tolerated the treatment. You should speak with your doctor to discuss potential side effects before starting any new treatment.

Study Details

Study typeMeta analysis

EvidenceLevel 1

PublishedSep 2026

PMID42237588

View Original Abstract ↓

BACKGROUND: Human immunodeficiency virus is a harrowing illness that causes significant sequelae besides immune suppression. One of the long-term effects of both virus and antiviral medication is distal sensory polyneuropathy. Treating this HIV-induced neuropathy is a difficult challenge for clinicians, with standard of care medications having significant side effects. Recently, 8% topical capsaicin patches have been shown to help with various other forms of neuropathy, but no systematic review has investigated the potential benefit of HIV-induced neuropathy. METHODS: A thorough systematic review of five databases (PubMed, Embase, Scopus, Web of Science, Cochrane) was conducted in October 2025. Retrieved articles were screened for the primary outcome of pain scores both before and after application of the topical capsaicin patch. Statistical analysis was stepwise, with an initial heterogeneity test (Higgins I), followed by a random-effects meta-analytics based on the moderately high degree of heterogeneity. RESULTS: Our investigation found a total of seven articles that fit our inclusion and exclusion criteria. The overall effect size for the most common patch-application duration was d = 0.991 (95%CI: 0.619-1.36) for improvement in pain score. To control for our high heterogeneity, a leave-out analysis was conducted on the studies with highest risk of bias, with repeat meta-analytics denoting a d = 0.96. CONCLUSION: Our systematic review and meta-analysis notes that topical 8% capsaicin patches are effective in reducing neuropathic pain in patients with HIV-neuropathy. Future larger studies should be conducted to investigate the place of 8% capsaicin patches in the treatment algorithm for HIV-neuropathy. PROTOCOL REGISTRATION: www.crd.york.ac.uk/prospero identifier CRD420251114796.

Topical capsaicin 8% patches improve pain in HIV neuropathy, meta-analysis findsCapsaicin patches may help reduce pain for people with HIV

Common questions

Study Details

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Topical capsaicin 8% patches improve pain in HIV neuropathy, meta-analysis findsCapsaicin patches may help reduce pain for people with HIV

Common questions

Study Details

Candidiasis prevalence of 13.46% and Cryptococcal meningitis of 3.15% among HIV-positive individuals

New data shows prevalence of fungal infections in HIV patients

Clinical research that matters. Delivered to your inbox.

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