Skip to main content

Simvastatin

HMG-CoA reductase inhibitor (statin)

Also known as: Zocor, Simvor, Simcard

Verify this drug on NAFDAC
  • NAFDAC-registered brands

Simvastatin

Price varies — check with a pharmacy

Verify
On this page

Key Facts

Drug Class
HMG-CoA reductase inhibitor (statin)
Prescription
Required
NAFDAC Status
NAFDAC Registered
Forms
Tablet
Price
Price varies — check with a pharmacy
WHO Essential
Yes

What is Simvastatin?

Simvastatin is one of the oldest and most affordable statins, and it remains widely used in Nigeria as a budget-friendly way to lower cholesterol and reduce the risk of heart attack and stroke. It is available as the original brand Zocor (Merck/MSD) and, more commonly, as inexpensive generics such as Simvor and Simcard. For people who need modest cholesterol lowering and want to keep the long-term cost down, simvastatin is often the practical choice.

Simvastatin works like every statin — by blocking HMG-CoA reductase, the liver enzyme that makes cholesterol — which lowers 'bad' LDL cholesterol and helps protect the arteries. Two things set it apart from the newer statins. First, it is best taken in the evening, because the body makes most of its cholesterol overnight and simvastatin does not stay active as long as atorvastatin or rosuvastatin. Second, it interacts with more medicines than the newer statins, which limits its safe dose in certain combinations.

The most important interaction in Nigeria involves amlodipine, one of the country's most prescribed blood pressure medicines: when taken together, the simvastatin dose should not exceed 20mg a day. Grapefruit juice raises simvastatin levels significantly and should be avoided. Because of these limits, doctors often reserve simvastatin for people needing gentler cholesterol lowering, and choose atorvastatin or rosuvastatin when a higher dose or fewer interactions are needed. Genuine simvastatin brands in Nigeria should carry a NAFDAC registration number.

What is Simvastatin used for?

In Nigeria, Simvastatin is commonly used for:

  • Lowering high LDL ('bad') cholesterol and total cholesterol, particularly where modest lowering is enough
  • Reducing the risk of a first heart attack or stroke in people at cardiovascular risk
  • Secondary prevention after a heart attack, stroke, or angina
  • An affordable long-term statin option, especially where cost is a major consideration
  • Cholesterol control alongside diet and lifestyle change

Dosage

IMPORTANT

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

Adults

The usual starting dose is 10mg or 20mg once daily in the evening, with or without food. Depending on your cholesterol and risk, the dose may be increased to 40mg once daily. The 80mg dose is generally avoided because of the higher risk of muscle problems. If you also take amlodipine, diltiazem, or verapamil, your simvastatin dose should not exceed 20mg daily. Swallow the tablet whole with water.

Children

Simvastatin is used in children (usually aged 10 and above) only for inherited high cholesterol (familial hypercholesterolaemia), and only under specialist supervision. It is not used for ordinary cholesterol control in children.

Elderly

Standard doses are used, but doctors often start low and review for muscle symptoms, particularly in frail older adults or those on several other medicines.

Take simvastatin in the evening for best effect, and take it every day — its benefit is on long-term risk, so you will not feel it working. Do not stop because a cholesterol result has improved; the result is good because the medicine is working. Avoid grapefruit and grapefruit juice, which sharply raise simvastatin levels. If you miss a dose, skip it and take the next one at the usual time — do not double up.

Side Effects

Common side effects

  • Muscle aches or weakness (myalgia) — usually mild; report unusual or persistent pain rather than stopping on your own
  • Headache
  • Constipation, abdominal pain, or nausea
  • Dizziness
  • Mildly raised blood sugar, and a small increase in the risk of developing type-2 diabetes in predisposed people

Serious side effects — seek medical help immediately

  • Severe, unexplained muscle pain, tenderness, or weakness — especially with dark or cola-coloured urine and fever — which may signal rare but serious muscle breakdown (rhabdomyolysis); stop and seek urgent care. This risk is higher at 40mg, with certain interacting drugs, and with grapefruit
  • Signs of liver problems: persistent nausea, loss of appetite, yellowing of the skin or eyes (jaundice), or dark urine
  • Severe allergic reaction: swelling of the face, lips, or throat, or difficulty breathing

When to see a doctor

See your doctor promptly if you develop unusual, widespread, or persistent muscle pain or weakness, especially with dark urine or fever — the risk of muscle problems with simvastatin is higher than with newer statins, particularly at 40mg or with interacting drugs. Seek emergency care for facial or throat swelling or difficulty breathing. Your doctor may switch you to a statin with fewer interactions, such as rosuvastatin, if problems arise.

Warnings & Precautions

Do not take Simvastatin if you have:

  • Do not take simvastatin if you are pregnant, planning pregnancy, or breastfeeding
  • Do not use if you have active liver disease or persistently raised liver enzymes
  • Do not take with certain strong interacting medicines (see interactions), which greatly raise the risk of muscle damage
  • Do not take if you are allergic to simvastatin or any other statin

Drug interactions

  • Amlodipine, diltiazem, and verapamil (common heart and blood pressure medicines) — limit simvastatin to a maximum of 20mg daily when combined
  • Certain antibiotics (clarithromycin, erythromycin) and antifungals (ketoconazole, itraconazole) must not be taken with simvastatin — they can cause dangerous muscle breakdown
  • Some HIV medicines (protease inhibitors) are contraindicated with simvastatin
  • Fibrates (especially gemfibrozil) and high-dose niacin increase the risk of muscle problems
  • Grapefruit and grapefruit juice sharply raise simvastatin levels and must be avoided
  • Warfarin — simvastatin can increase the blood-thinning effect; INR should be monitored when starting or changing the dose

Pregnancy & Breastfeeding

Simvastatin is contraindicated in pregnancy and while breastfeeding. Statins block the cholesterol production that a developing baby needs, so they must not be used in pregnancy. Women who could become pregnant should use reliable contraception while taking simvastatin and stop it, informing their doctor, if they plan to conceive or discover they are pregnant. It should not be used while breastfeeding.

Brands of Simvastatin in Nigeria

The NAFDAC registry holds 2 Simvastatin products from 1 manufacturer, including combination products and older listings whose status you can check in the full list. Below are some of the most common brands — see the full, searchable list for all of them.

Brand NameManufacturerStrengthForm
ZocorMerck (MSD)10mg, 20mg, 40mgTablet
SimvorSun Pharma10mg, 20mgTablet
SimcardCipla10mg, 20mgTablet
SimvastatinVarious generic manufacturers10mg, 20mgTablet

How to Verify Your Simvastatin is Genuine

  1. 1Check the NAFDAC registration number on the pack — all genuine simvastatin brands sold in Nigeria must carry a valid NAFDAC number
  2. 2Verify the NAFDAC number using the NAFDAC Green Book or the NAFDAC mobile app before you buy
  3. 3Buy only from licensed pharmacies and registered outlets, even for cheaper generics
  4. 4Check the expiry date and that the packaging is sealed, intact, and shows no signs of tampering
  5. 5Genuine tablets should be uniform in size, shape, and colour; discard any that look irregular or discoloured
  6. 6For Zocor, look for Merck/MSD branding; for generics such as Simvor (Sun Pharma) or Simcard (Cipla), check the manufacturer name and batch number

Simvastatin Price in Nigeria

Simvastatin prices in Nigeria vary by brand, strength, and where you buy it. Confirm the current price with a licensed pharmacy, and always check the product is NAFDAC-registered before you pay.

We show a price here once it appears in our monthly sampling of Nigerian online pharmacies (MedPlus, HealthPlus), or when we have a reliable market figure. For now, confirm the current price directly with a licensed pharmacy.

Where to Buy

Purchase Simvastatin only from licensed pharmacies and verified distributors. Avoid buying medicines from unverified sources, roadside vendors, or unregistered market stalls.

Before you buy, verify the product's NAFDAC registration and check the price guidance above so you know a fair price before you pay.

Buying Simvastatin in bulk or for resale? Our guide on how to buy medicines in bulk in Nigeria safely covers verifying a supplier and spotting fakes before a large order.

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

Tell us what you need and we'll connect you with a verified, NAFDAC-registered source.

Request it

Related Resources for Simvastatin

Guides, articles, and tools related to Simvastatin and other cholesterol 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 Simvastatin on this page were cross-referenced against the Greenbook.
  • WHO Model List of Essential Medicines Simvastatin 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 Simvastatin.
  • Nigerian Standard Treatment Guidelines (Federal Ministry of Health).

Last updated: 1 July 2026

Share: