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Zyban

Zyban

Bupropion

Bupropion 150mg prolonged-release tablets, used in the management of smoking cessation. It antagonises the nicotinic acetylcholine receptor.

Active ingredient
Bupropion
Route
Oral use
Form
Prolonged-release tablet
Strengths
150mg

You will receive a quality generic equivalent, depending on stock.

No prescription needed: we place your order for Zyban on your behalf.

Alternative names
Wellbutrin
Therapeutic class
Smoking Cessation Aid
Pharmacological class
Aminoketone
Known off-label uses
major depressive disorder
Precautions and warnings
caution in patients with a history of head trauma; may cause dizziness
Minor side effects
insomnia; dry mouth; nausea
Moderate side effects
anxiety; tremor; dizziness; fever
Dosage forms
Prolonged-release tablet
Administration route
Oral use
Originator
GSK
Onset Time
1–2 weeks
Duration
7–9 weeks
Storage instructions
Store at room temperature in a dry place.
Drug interactions
alcohol; MAO inhibitors; citalopram
Age restrictions
Not recommended for those under 18 years.
Contraindications

hypersensitivity to bupropion; seizure disorders; eating disorders; concurrent use of MAO inhibitors

Serious side effects

seizures, requires immediate medical attention; anaphylaxis, requires immediate medical attention

Patient summary

Bupropion 150mg prolonged-release tablets, used in the management of smoking cessation. It antagonises the nicotinic acetylcholine receptor.

Mechanism of action

This medicine acts as a non-competitive antagonist of the nicotinic acetylcholine receptor. It also inhibits the neuronal reuptake of norepinephrine and dopamine, though the exact mechanism for assisting smoking cessation is likely related to its noradrenergic and dopaminergic effects.

Pregnancy and breastfeeding

Pregnancy: Use only if necessary; consult a physician. Breastfeeding: Confirm breastfeeding suitability with a qualified clinician or pharmacist before use.

Zyban contains bupropion, an ingredient used to support smoking cessation. This medication is also sold under its well-known brand name, Wellbutrin, and is supplied as a tablet in a 150mg strength. This option provides a consistent formulation for those seeking assistance with their smoking cessation goals.

Buying Zyban online

Generic bupropion, much of it made in India, is far more affordable than the original brand, making it a practical option for expats and those living in regions where local clinical options may be limited or costly. As with any approach to smoking cessation, this medication is best used under the guidance of a doctor.

Do I get the original Zyban?

No. SGMeds ships a generic with the same active ingredient (bupropion) at the same strength, not the original Zyban made by GSK. We use the brand name so you can find the medicine, and the generic's manufacturer varies with stock.

How is Zyban priced?

Zyban comes in a 150mg strength, in packs of 30 to 240 tablets. Each option's price is shown on this page in Singapore dollars, converted from US dollars, so the exchange rate can change the final amount. Larger packs work out cheaper per tablet.

Payment and prices →

What does Zyban treat?

Zyban is used for smoking cessation.

What side effects does Zyban have?

The most common side effects of bupropion are insomnia, dry mouth and nausea. Less common ones are anxiety, tremor, dizziness and fever. Serious side effects include seizures and a severe allergic reaction (anaphylaxis). Get medical help straight away if you notice one of these serious effects.

Can I drink alcohol with Zyban?

Alcohol can interact with bupropion, so ask a doctor or pharmacist whether you can drink while you take Zyban.

What does Zyban interact with?

Bupropion can interact with older antidepressants (MAO inhibitors) and citalopram. Before you start Zyban, tell your doctor or pharmacist about any medicines, supplements or herbal remedies you take.

When does Zyban start to work?

Zyban usually starts to work within 1 to 2 weeks. Some people notice it sooner, others later.

Which other products on SGMeds contain bupropion?

SGMeds also lists Wellbutrin SR, Bupron SR and Wellbutrin with the same active ingredient.

Can I order Zyban without a prescription?

Yes. SGMeds does not ask for a prescription to order Zyban: we place the order with our pharmacy partner, which prepares it and arranges delivery on your behalf.

Ordering without a prescription →

Can I buy Zyban online in Singapore?

Yes, here on SGMeds: choose the strength and pack, then check out. Parcels go to Singapore and Malaysia by Express shipping (tracked, up to 1 week) or Regular shipping (up to 3 weeks).

How ordering works →

What you will receive

Zyban is the originator brand name, made by GSK. We use it here to identify the medicine only; we are not affiliated with GSK and do not ship the original Zyban.

  • You receive a generic equivalent: the same active ingredient (Bupropion) at the same dose, mostly recognised Indian branded generics from vetted manufacturers.
  • The exact brand supplied depends on what is in stock at the dispatching warehouse.
  • A regulated generic matches the original ingredient for ingredient by legal standard.

Are all generics really the same? Read the honest answer.