Counterfeit and Substandard Drugs in Nigeria — A Spotting Guide for Distributors and Pharmacies

The scale of the problem

Counterfeit and substandard pharmaceuticals have been a known challenge in the Nigerian market for decades. NAFDAC reports periodic seizures across open drug markets, and independent surveillance studies have at various times estimated meaningful counterfeit prevalence in certain therapy areas — particularly antimalarials, antibiotics, and high-priced analgesics. The problem is not uniform — formal pharmacies sourcing from NAFDAC-registered manufacturers see very little counterfeit product; the highest exposure is in informal channels and at the bottom of the resale chain. The good news: most counterfeits can be caught with trained eyes and a few simple procedures.

Counterfeit vs substandard — they are not the same

"Counterfeit" means the product is deliberately mis-labelled to impersonate a registered product (wrong manufacturer, wrong ingredients, often no active ingredient at all). "Substandard" means the product is from the labelled manufacturer but does not meet specification — under-dosed, contaminated, beyond expiry, or improperly stored. Distributors should be able to recognise both, because the source of the problem (and the regulatory response) differs.

Pack-level red flags

Most counterfeits can be caught before they enter your warehouse if you train staff to look for these signs on incoming consignments:

• Print quality on the outer carton — blurred logos, mis-aligned text, smudged colours, or low-resolution printing on what is supposed to be a mass-produced commercial pack.
• Batch number and expiry inconsistencies — batch numbers in unfamiliar formats, expiry dates that look hand-stamped, batch numbers on the carton that do not match the blister or bottle inside.
• Spelling errors — even one typo in the manufacturer name, address, or active ingredient name is a near-certain counterfeit indicator. Real manufacturers do not let typos onto packaging.
• NAFDAC registration number absent or malformed — every legitimately registered pharmaceutical in Nigeria carries a NAFDAC reg number on the immediate container. Missing, blank, or non-format numbers are red flags.
• Blister or bottle quality — flimsy foil, blisters that do not seat properly, tablets that look different from one blister to the next within the same pack, capsules with mismatched halves.
• Outer carton not sealed — most reputable manufacturers ship sealed outer cartons. Opened or re-taped cartons should trigger investigation.
• Price too good to be true — if a "manufacturer-direct" offer is significantly cheaper than the rest of the market for an identical SKU, the explanation is usually counterfeit, near-expiry, or stolen stock.

NAFDAC verification methods

NAFDAC has rolled out several verification channels for pharmaceuticals; distributors should know them all and use whichever applies to a given product:

• Mobile Authentication Service (MAS) scratch panel — many registered pharmaceutical packs carry a scratch-off panel revealing a one-time code that the buyer can SMS to a NAFDAC-published shortcode for instant verification. The response confirms whether the code corresponds to a legitimate pack of the claimed product.
• NAFDAC Greenbook — NAFDAC publishes a register of registered products. The product name, NAFDAC reg number and registered manufacturer should match what is printed on the pack.
• Direct manufacturer verification — for any consignment, the manufacturer should be able to confirm a specific batch number against their production records.
• Physical examination — comparing a questioned pack to a known-good reference pack from the same manufacturer reveals print, colour and pack-construction differences.

A trained warehouse can verify 100 cartons of incoming stock in well under an hour using a combination of these methods.

Safer sourcing routes

The single most effective counterfeit prevention is sourcing discipline. In order of safety:

1. Direct from the NAFDAC-registered manufacturer — the safest channel. You receive product with confirmed batch records, original packaging, and traceable invoices.
2. Authorised distributor appointed by the manufacturer — second-safest. The manufacturer vouches for the distributor and the supply chain is transparent.
3. Major formal wholesalers — generally reliable for established brands, but verify each consignment.
4. Open drug markets — used by many distributors for breadth and price discovery, but verification discipline must be high. Reputable traders within these markets exist; uncritical buying does not work here.
5. Online or social-media offers — highest risk. Treat as unverified until proven otherwise.

What to do with suspected counterfeit stock

1. Isolate immediately — quarantine the suspect consignment in a locked area, away from saleable stock. Do not resell pending verification.
2. Document — photograph the cartons, blisters, batch numbers, invoice and any other documentation. Note the source, date received, and price paid.
3. Contact the named manufacturer — share the batch number and ask for confirmation against their production records. A legitimate manufacturer will respond promptly.
4. Notify NAFDAC — if the manufacturer confirms the product is not theirs, or if verification fails, report to NAFDAC. NAFDAC operates a Report Substandard or Falsified Products channel for exactly this.
5. Do not return the product to the seller until NAFDAC says so — sellers who knowingly sold counterfeits will sometimes try to recover the evidence. Hold the stock for NAFDAC.

How Dizpharm products are protected

Every authentic Dizpharm pharmaceutical pack carries a NAFDAC registration number printed on the immediate container, a batch number and expiry date that we can verify against our production records on request, and consistent print quality from our packaging line. Distributors and pharmacies who encounter suspect Dizpharm product should contact us directly via WhatsApp with the batch number for verification. See our NAFDAC verification guide for the procedure.

Frequently asked questions