What Is a Compounding Pharmacy? A Complete Guide for Patients and Providers

What Is Pharmaceutical Compounding?

Pharmaceutical compounding is the process of creating a customized medication for an individual patient based on a prescription from a licensed healthcare provider. Mass-manufactured drugs come in fixed doses and limited forms. Compounded medications are prepared one prescription at a time. That lets your pharmacist adjust the active ingredients, the strength, the dosage form and even the base to match your prescription.

Every compounded medication starts with a prescription. A licensed provider, your physician, dermatologist, nurse practitioner, or other prescriber, evaluates your condition and writes an order specifying exactly what they want your medication to contain. Our pharmacists then prepare it using pharmaceutical-grade ingredients under strict quality standards.

503A vs. 503B: Understanding Pharmacy Types

The terms 503A and 503B refer to sections of the Federal Food, Drug, and Cosmetic Act that define two types of compounding pharmacies:

503A Pharmacies (Like Generation Pharmacy)

A 503A pharmacy compounds medications for individual patients based on prescriptions written for you. Every preparation is made for a named patient with a valid prescription on file. This is traditional pharmacy compounding, the pharmacist-patient-prescriber relationship at the center of every order.

• Each medication is prepared for a specific, identified patient
• Requires a valid prescription before compounding begins
• Regulated by state boards of pharmacy
• Must follow USP compounding standards (USP 795 for non-sterile, USP 800 for hazardous drugs; USP 797 applies only to pharmacies doing sterile compounding)
• Cannot compound copies of commercially available drugs without a clinical difference

503B Outsourcing Facilities

A 503B outsourcing facility can compound medications in larger batches without prescriptions written for you, often supplying hospitals and clinics. These facilities are registered with and inspected by the FDA, and follow current Good Manufacturing Practices (cGMP). They serve a different role in the healthcare system, primarily wholesale to medical facilities rather than individual patients.

What Are USP 795 and USP 800?

USP stands for the United States Pharmacopeia, the organization that sets quality standards for pharmaceuticals in the U.S. Two chapters are particularly relevant to compounding pharmacies:

USP 795: Non-Sterile Compounding

USP <795> establishes standards for compounding non-sterile preparations, creams, capsules, troches, gels, solutions, and other dosage forms that don't require a sterile environment. It covers ingredient sourcing, beyond-use dating (expiration), quality assurance testing, and facility requirements. When you receive a compounded cream or capsule from Generation Pharmacy, it was prepared under these standards.

USP 800: Hazardous Drug Handling

USP <800> sets requirements for handling hazardous drugs, medications that may pose health risks to pharmacy staff through exposure during compounding. This includes specific protocols for personal protective equipment, engineering controls, decontamination, and waste disposal. Compliance with USP 800 protects both our pharmacy team and ensures your medication is prepared safely.

When Is a Compounded Medication the Right Choice?

Compounding solves problems that mass-manufactured medications cannot:

• Dose customization: Your prescriber needs a strength that isn't commercially available: for example, a precise thyroid hormone dose between standard tablet sizes
• Combination formulas: Multiple active ingredients in a single preparation, reducing your medication routine from several products to one
• Allergen avoidance: Removing dyes, gluten, lactose, preservatives, or other excipients that cause sensitivity
• Alternative dosage forms: Turning a pill into a cream, a troche, or a sublingual tablet for patients who can't swallow capsules or need a different absorption profile
• Discontinued medications: Recreating a formulation that a manufacturer has stopped producing but your provider still prescribes

What We Compound at Generation Pharmacy

As a 503A pharmacy in Los Angeles operating under USP 795 and USP 800, we specialize in non-sterile compounding across a wide range of therapeutic categories:

• Dermatology: Custom acne, rosacea, hyperpigmentation, and anti-aging formulations with precise ingredient combinations
• Bioidentical hormone therapy (BHRT): Estradiol, progesterone, testosterone, and combination hormone preparations made for lab results
• Hair restoration: Topical and oral formulations combining minoxidil, finasteride, and growth-supporting ingredients
• Sexual wellness: PDE5 inhibitors in rapid-dissolve troches, combination formulas, and topical preparations
• Weight management: Metabolic formulas prescribed and monitored by your own prescriber
• Pain management: Topical pain creams that deliver medication directly to the affected area
• Thyroid support: Custom T3/T4 combinations and precise-dose capsules
• Longevity and wellness: NAD+ precursors, low-dose naltrexone, and other emerging wellness compounds
• Veterinary: Medications for pets, prepared from your veterinarian's prescription

How to Get a Compounded Medication

The process is straightforward:

1. See your provider: Discuss your condition and whether a compounded medication is appropriate. Your provider writes a prescription specifying the ingredients, strengths, and dosage form.
2. Send the prescription to us: Your provider can call, fax, or e-prescribe directly to Generation Pharmacy.
3. We compound and deliver: Our pharmacists prepare your medication, perform quality checks, and either ship it to your door or have it ready for local pickup in West Los Angeles.

Questions about whether compounding is right for you? Call us at 424-228-1049 or visit our contact page. Our pharmacist team is happy to discuss your options.