What's in a Compounded Pain Cream? Ingredients Explained

If your prescriber handed you a prescription that reads like alphabet soup — "ketamine 10% / gabapentin 6% / lidocaine 5% in transdermal base" — this guide decodes it. Compounded pain creams combine two to five active ingredients chosen for your specific pain type, prepared as a single topical by a licensed compounding pharmacy.

Here is what each common ingredient does, how prescribers combine them, and what to know before your first application.

The Neuropathic (Nerve Pain) Ingredients

Gabapentin — the most common ingredient in nerve-pain creams. Orally, gabapentin causes drowsiness and brain fog for many patients; applied topically, it acts on nerve endings at the site with minimal absorption into the bloodstream. See topical gabapentin.

Ketamine — an NMDA-receptor blocker used topically for neuropathic pain, complex regional pain syndrome (CRPS), and diabetic neuropathy. It is a controlled substance, so pharmacies handle it under stricter rules, and it is one of the pricier ingredients. See compounded ketamine.

Amitriptyline — a tricyclic antidepressant with established nerve-pain activity. Topically it is often paired with ketamine for localized neuropathic pain, and it is a mainstay of compounded vulvodynia treatment. See topical amitriptyline.

Clonidine — an alpha-2 agonist sometimes added for burning neuropathic pain, particularly diabetic neuropathy. See topical clonidine.

The Anesthetics

Lidocaine — numbs the treated area directly. Compounded creams use prescription strengths above the over-the-counter patches, usually as one component of a combination. See topical lidocaine.

Bupivacaine — a longer-acting local anesthetic used when lidocaine's duration is too short.

The Anti-Inflammatories (NSAIDs)

Diclofenac is the best-known topical NSAID — commercial gels exist, but compounding allows higher strengths and combinations. Ketoprofen, flurbiprofen, and meloxicam are compounding-only as topicals and are staples of arthritis and sports-injury formulas. Topical NSAIDs are the best-evidenced part of this category and are guideline-supported for osteoarthritis. See topical diclofenac and topical ketoprofen.

The Muscle Relaxants

Baclofen and cyclobenzaprine relax muscle at the application site — added for back and neck pain, spasm, and pelvic floor dysfunction — without the sedation their oral versions cause. See baclofen and topical cyclobenzaprine.

The Specialists

Capsaicin — the chili-pepper compound, used at prescription strengths to desensitize pain nerves over weeks of use. Expect initial burning; that is the mechanism working.

Vasodilators (nifedipine, diltiazem, verapamil) — not for typical pain creams, but compounded topically for anal fissures and Raynaud's phenomenon by the same pharmacies.

Common Combinations by Pain Type

The exact ingredients and percentages are your prescriber's call — pain specialists, orthopedists, podiatrists, and primary care providers all write these. The "base" (the cream itself) matters too: transdermal bases are engineered to carry actives through skin, and sensitive-tissue prescriptions use bland, preservative-minimized bases.

Does the Combination Approach Work?

Honest answer: evidence is mixed. Topical NSAIDs are well proven. Individual studies support topical ketamine and amitriptyline-ketamine for specific nerve-pain conditions. A 2019 randomized trial in Annals of Internal Medicine found the specific multi-ingredient creams it tested performed no better than placebo cream — while national patient surveys report satisfaction above 95%, mostly among patients who had already failed commercial options. Response varies person to person; a reasonable approach is a defined trial period judged with your prescriber.

Safety Basics

• Apply only to intact skin, at the prescribed frequency, and wash hands after (or wear gloves — especially with ketamine or capsaicin formulas).
• Keep creams strictly away from children and pets; ingredients like ketamine and lidocaine can be dangerous if ingested or transferred.
• Tell your prescriber about all medications — even topicals can matter with certain drug combinations.

Compare Prices Before You Fill

The identical formulation can be quoted at prices that differ two-fold between licensed pharmacies. Compare compounded pain cream prices from licensed U.S. compounding pharmacies — free, no account required, quotes typically within 1–2 business days. For cost specifics, see our compounded pain cream cost guide.