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Gentamicin

Aminoglycoside antibiotic · Prescription only · Injection, Eye and ear drops, Cream, Ointment · WHO essential

Also known as: Gentamycin, Gentamicin sulfate, Genticyn

Gentamicin

~₦800 (drops)

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Gentamicin is an aminoglycoside antibiotic — a powerful, old and cheap drug that kills bacteria by wrecking their protein-making machinery. It has two very different lives. As an injection in hospital it is one of the workhorses of serious infection, used in sepsis, severe abdominal and urinary infections, and in newborns. As drops, creams and ointments it treats eye, ear and skin infections, and in that form it is bought casually across Nigeria.

In the NAFDAC register

95 registered products

from 73 registration holders

In force63 active · 32 lapsed
Where made5 in Nigeria · 58 imported
India41
China15
Nigeria5
Kenya1
Slovenia1
See all 95 registered brands

What it costs online

about ₦800drops

median of 3 listings

Also sampled: cream (3 listings, ₦870–₦2,250)

₦80 per ml (drops)

Sampled from 6 listings across HealthPlus and MedPlus and Supermart.ng · August 2026

Full price breakdown →

Brands of Gentamicin in Nigeria

Those 95 products from 73 registration holders include combination products and older listings; below are the most common brands.

See all 95 registered Gentamicin brands

Gentamicin Price in Nigeria

As of August 2026, Gentamicin sells for about ₦800 for drops online in Nigeria across HealthPlus and MedPlus and Supermart.ng — cream/ointment ₦870–₦2,250, drops ₦700–₦875. That figure is for Gentamycin; 29 other gentamicin brands are NAFDAC-registered and generic versions usually cost less. Open-market prices (e.g. Idumota, Ogbogwu) are often lower.

Online retail (sampled)

Same medicine throughout — every listing contains Gentamicin. The difference is brand and pack size.

Cream/Ointment

median ₦1,875 · 3 listings

CheapestDGF Gentamicin skin Ointment 15g(HealthPlus)

₦870

PriciestDGF Gentamicin Skin Ointment 15 g(Supermart.ng)

₦2,250

Drops

₦700 – ₦875 · 3 listings · ₦80 per ml

6 listings across HealthPlus + MedPlus + Supermart.ng · August 2026.

First tracked August 2026.

How to Verify Your Gentamicin is Genuine

  1. 1Check the NAFDAC number on the pack — Fidson's Gentamicin 0.3% Eye/Ear Drops carries A11-0247 and Reagan's carries A11-0003 in our copy of the register.
  2. 2Drugfield's Gentamicin Skin Ointment is registered as 04-1446 and SKG's Tricuten Cream as 04-8698.
  3. 3Confirm any brand with our NAFDAC checker. Gentamicin has a deep registered field in Nigeria, so a product you cannot find deserves questions.
  4. 4Check the expiry date on eye drops carefully, and throw the bottle away a month after opening — an old bottle of eye drops is a bacterial culture, not a medicine.
  5. 5Read the ingredients on combination creams. Many products sold as 'gentamicin cream' also contain a steroid and an antifungal, which changes what they should and should not be used for.

Where to Buy

Buying Gentamicin by the carton

Cartons are bought at Nigeria's four open drug markets. Each guide names the sellers there you can contact, and how to buy safely:

No shop we list has Gentamicin on its confirmed product list yet — the market guides still tell you where the trade happens and how to buy there safely.

Wherever you buy, buy only from licensed pharmacies and verified distributors — not roadside vendors — and verify the pack's NAFDAC registration before you pay. Buying Gentamicin in bulk or for resale? See how to buy medicines in bulk in Nigeria safely.

Need Gentamicin in bulk, or can't find it near you?

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What is Gentamicin?

Our copy of the NAFDAC register shows a large gentamicin presence — sixty-three active registrations from fifty-two companies, twenty-nine of them gentamicin alone and thirty-five combination creams pairing it with a steroid and an antifungal — and most of it is topical and made in Nigeria: Fidson and Reagan eye/ear drops, Drugfield's skin ointment, SKG's Tricuten.

The two lives need different warnings. The injection is genuinely dangerous if used carelessly: it damages hearing and kidneys, and it needs dose calculation, blood-level monitoring and a hospital. The drops and creams are far safer but are massively over-used — particularly the steroid combination creams sold for any itch or rash, which can make a fungal infection spectacularly worse.

What is Gentamicin used for?

In Nigeria, Gentamicin is commonly used for:

  • Bacterial conjunctivitis and other eye infections, as 0.3% drops
  • Otitis externa — infection of the outer ear canal, as drops
  • Infected wounds, burns, boils and impetigo, as cream or ointment
  • Serious hospital infections including sepsis, severe urinary and abdominal infection, by injection
  • Neonatal sepsis, by injection in hospital, usually with a penicillin
  • Not for viral 'apollo' conjunctivitis, which needs no antibiotic at all

Dosage

IMPORTANT

Always follow your doctor's or pharmacist's instructions. The information below is for general reference only.

Adults

Eye drops: usually one or two drops into the affected eye every four to six hours, or more frequently at the start of a severe infection, for no longer than about a week. Ear drops: two to four drops into the affected ear three or four times daily. Cream or ointment: applied thinly to the affected area three or four times daily. The INJECTION is a hospital medicine, dosed by body weight and kidney function with blood-level monitoring, and no dose for it is given here — it is not something to buy and administer at home.

Children

Topical gentamicin is used in children under medical advice. The injectable form in children and newborns is calculated by weight and gestational age and is strictly a hospital matter, because the margin between an effective and a harmful dose is narrow.

Elderly

Older adults are considerably more vulnerable to gentamicin injection's effects on hearing and kidneys, and kidney function declines with age. Dose adjustment and monitoring are essential. Topical use is not a particular concern.

NEVER PUT GENTAMICIN DROPS IN AN EAR WITH A PERFORATED EARDRUM without a doctor's direction — aminoglycosides reaching the inner ear can cause permanent hearing loss and balance damage. If there is discharge from the ear, or the ear has been perforated, that is a doctor's decision. And do not treat every red eye with antibiotic drops: viral conjunctivitis, which is what most 'apollo' is, does not respond to them, while a painful red eye with blurred vision is an emergency rather than a pharmacy errand.

Side Effects

Common side effects

  • Stinging, burning or itching where the drops or cream are applied
  • Temporary blurred vision after eye drops
  • Local skin irritation or contact allergy with prolonged use
  • Thinning of the skin, with the steroid combination creams

Serious side effects — seek medical help immediately

  • Hearing loss and tinnitus (ototoxicity) — mainly with injection, and often permanent
  • Balance disturbance and persistent dizziness from inner-ear damage
  • Kidney injury (nephrotoxicity) — mainly with injection, usually reversible if caught
  • Worsening of muscle weakness in myasthenia gravis
  • Severe allergic reactions
  • Fungal overgrowth and masked infection with prolonged topical steroid combinations

When to see a doctor

Stop and seek advice for new ringing in the ears, hearing change, or unsteadiness — with injectable gentamicin these are urgent. See a doctor for an eye that becomes more painful, more red or blurred while on drops, for an ear infection with discharge, and for any skin infection that spreads or fails to improve within a few days. Reduced urine output during a course of injections needs immediate attention.

Warnings & Precautions

Do not take Gentamicin if you have:

  • Known hypersensitivity to gentamicin or other aminoglycosides
  • Perforated eardrum — topical aminoglycosides can reach the inner ear and cause permanent damage
  • Myasthenia gravis
  • Injectable gentamicin in significant kidney impairment without dose adjustment and monitoring
  • Prolonged use of steroid-containing combination creams on an undiagnosed rash

Drug interactions

  • Other kidney-damaging drugs — NSAIDs such as diclofenac, ciclosporin, amphotericin
  • Loop diuretics such as furosemide — added risk of hearing damage
  • Muscle relaxants used in anaesthesia — prolonged paralysis
  • Vancomycin and other aminoglycosides — cumulative kidney and hearing toxicity
  • Interactions of concern apply mainly to the injection; topical use carries little systemic exposure

Pregnancy & Breastfeeding

Injectable gentamicin crosses the placenta and can damage the fetal inner ear, so it is avoided in pregnancy unless the infection is serious enough that no safer option will do. Topical eye, ear and skin preparations involve very little absorption and are generally considered acceptable, but should still be used on advice. Very little passes into breast milk from topical use.

Related Resources for Gentamicin

Guides, articles, and tools related to Gentamicin and other antibiotics medicines in Nigeria.

Frequently Asked Questions

Sources

  • NAFDAC Greenbook — the official database of all products registered with Nigeria's National Agency for Food and Drug Administration and Control. Brand-level NAFDAC numbers for Gentamicin on this page were cross-referenced against the Greenbook.
  • WHO Model List of Essential Medicines Gentamicin is included in the WHO's list of essential medicines, meaning it is considered essential for basic healthcare needs.
  • British National Formulary (BNF) dosing and interaction guidance for Gentamicin.
  • Nigerian Standard Treatment Guidelines (Federal Ministry of Health).

Last updated: 15 August 2026

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