⚡ Quick Answer — What is Novonorm?
Novonorm is a brand of repaglinide (0.5 mg, 1 mg or 2 mg), a meglitinide (“glinide”) used for type 2 diabetes. Like sulfonylureas, glinides stimulate pancreatic insulin release by closing KATP channels — but much faster and for a much shorter time. The clinical niche: post-meal glucose spikes. Take 1–15 minutes before each main meal; skip the dose if you skip the meal (“no meal, no pill”). Rapid-onset, short-acting — acts specifically on post-meal glucose spikes. Skip the dose if you skip the meal. HbA1c reduction: 0.5–1.0 percentage points. Hypoglycaemia risk is much lower than sulfonylureas because action is short. Main side effects: mild hypoglycaemia, weight gain (1–2 kg), upper respiratory infection. Avoid in type 1 diabetes, DKA, severe hepatic impairment.
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What Is Novonorm?
Novonorm is an oral antidiabetic medicine containing repaglinide (0.5 mg, 1 mg or 2 mg), manufactured by Novo Nordisk. Available in packs of 30, 60, 90 or 180 tablets. repaglinide was first approved in 1997 and belongs to the meglitinide (or “glinide”) class — short-acting insulin secretagogues used specifically to control post-meal (postprandial) glucose rises.
Meglitinides are a useful option in patients with mainly post-meal hyperglycaemia, irregular meal patterns (where a long-acting sulfonylurea would cause fasting hypoglycaemia), or mild renal impairment where glibenclamide cannot be used.
How Does Novonorm Work?
repaglinide binds to a site on the ATP-sensitive potassium (KATP) channel of pancreatic beta cells — different from the sulfonylurea binding site but with a similar effect. Channel closure depolarises the beta cell, opens voltage-gated calcium channels, and triggers insulin release.
The key difference versus sulfonylureas is kinetics:
- Onset: 15–30 minutes
- Peak: 1 hour
- Duration of action: 3–4 hours
- Half-life: 1 hour; > 90% hepatic metabolism — minimal renal clearance
This makes glinides excellent for matching the post-meal glucose rise but poor for fasting glucose control. Typical HbA1c reduction: 0.5–1.0 percentage points.
Dosage and Administration
Dose: Start at 0.5 mg before each main meal. Titrate in 0.5–1 mg increments weekly. Usual maintenance: 0.5–4 mg before each meal. Maximum: 16 mg/day in 4 divided doses.
- “No meal, no pill.” If you skip a meal, skip the dose — otherwise hypoglycaemia is likely.
- If you add a meal, add a dose before it.
- Take 1–30 minutes before the meal — consistent timing helps.
- Renal dosing: Safe in renal impairment — the preferred meglitinide for CKD. Dose-reduce cautiously in eGFR < 30.
- Hepatic impairment: use lower starting doses and titrate cautiously.
Side Effects
Common:
- Hypoglycaemia — less frequent and less severe than sulfonylureas, but still possible (especially if meal is delayed or skipped)
- Weight gain — 1–2 kg on average, less than sulfonylureas
- Upper respiratory infection, sinusitis, arthralgia
- Mild GI upset
Uncommon: rash, hypersensitivity, transient liver-enzyme elevation.
Drug Interactions
- Strong CYP3A4 inhibitors (ketoconazole, clarithromycin, ritonavir) and CYP2C8 inhibitors (gemfibrozil) — significantly raise repaglinide levels. Avoid combining repaglinide with gemfibrozil (risk of severe hypoglycaemia).
- Rifampicin, phenytoin, carbamazepine — reduce meglitinide levels; clinical effect may be reduced.
- Insulin, sulfonylureas, DPP-4 inhibitors, SGLT-2 inhibitors — additive glucose-lowering; monitor for hypoglycaemia.
- Non-selective beta-blockers — may mask hypoglycaemia symptoms.
- NSAIDs, high-dose salicylates, MAOIs, sulfonamides — may augment glucose-lowering effect.
- Corticosteroids, thiazides, thyroid hormones, oral contraceptives — may reduce glucose-lowering effect.
Who Should Not Take Novonorm?
- Type 1 diabetes mellitus
- Diabetic ketoacidosis
- Severe hepatic impairment
- Pregnancy and breastfeeding — data limited; alternatives preferred
- Known hypersensitivity to meglitinides
- Combination with gemfibrozil (repaglinide)
Storage
Store Novonorm below 30°C in a dry place. Keep out of reach of children.
Frequently Asked Questions
How does repaglinide compare to a sulfonylurea?
Both stimulate insulin release via the same beta-cell KATP channel, but repaglinide acts faster and for a shorter time (1–4 hours) than sulfonylureas (12–24 hours). This means less fasting/overnight hypoglycaemia risk but the need to take a dose before every meal. Repaglinide is also safer than glibenclamide in renal impairment because it is cleared hepatically.
What happens if I skip a meal?
Skip the Novonorm dose too — the golden rule for glinides is “no meal, no pill.” Taking Novonorm without eating is the most common cause of hypoglycaemia on this drug.
Can I take Novonorm with metformin?
Yes — glinides are commonly added to metformin when post-meal glucose spikes are high. The combination has additive HbA1c effect (0.8–1.2 points extra) without the fasting hypoglycaemia risk of a long-acting sulfonylurea.
Does Novonorm cause weight gain?
Mild weight gain of 1–2 kg is typical — less than sulfonylureas but more than metformin, DPP-4 inhibitors, or SGLT-2 inhibitors.
Can I drink alcohol while taking Novonorm?
Moderate alcohol with food is usually safe. Avoid binge drinking and alcohol on an empty stomach — both raise hypoglycaemia risk.
Is Novonorm suitable if I have kidney problems?
Repaglinide is the preferred meglitinide in renal impairment because it is cleared almost entirely by the liver. Nateglinide has renally-excreted metabolites and needs more caution in severe CKD.
Where can I buy Novonorm online?
You can order Novonorm (0.5 mg, 1 mg or 2 mg) from MedsBase in packs of 30, 60, 90 or 180 tablets. We ship worldwide, with discreet packaging and genuine WHO-GMP certified manufacturer stock.
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