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Bactrim

Bactrim

Trimethoprim

Trimethoprim tablets at 400/80mg and 800/160mg, used for bacterial infection. It interrupts bacterial folic acid synthesis, halting growth.

Category
Antibiotics
Active ingredient
Trimethoprim
Route
Oral use
Form
Tablet
Strengths
400/80 · 800/160mg

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

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

Alternative names
Septrin
Therapeutic class
Trimethoprim Antibiotic
Pharmacological class
Dihydrofolate Reductase Inhibitor
Contraindications
hypersensitivity to trimethoprim; severe renal impairment
Precautions and warnings
maintain adequate fluid intake; monitor blood counts during long-term use
Minor side effects
nausea; diarrhoea
Moderate side effects
skin rash; pruritus
Dosage forms
Tablet
Administration route
Oral use
Originator
Roche
Onset Time
1–2 hours
Duration
12 hours
Storage instructions
Store at room temperature.
Drug interactions
digoxin; phenytoin
Age restrictions
Use with caution in elderly.
Serious side effects

blood dyscrasias, requires immediate medical attention; stevens-johnson syndrome, requires immediate medical attention

Patient summary

Trimethoprim tablets at 400/80mg and 800/160mg, used for bacterial infection. It interrupts bacterial folic acid synthesis, halting growth.

Mechanism of action

Interferes with bacterial folic acid synthesis, stopping the growth and reproduction of bacteria.

Pregnancy and breastfeeding

Pregnancy: Consult doctor; folic acid supplementation may be required. Breastfeeding: Use with caution.

Bactrim is a well-known preparation containing Trimethoprim, used to manage bacterial infection. Sold under the alternative brand Septrin, this medication is available in tablet form, available in strengths of 400/80mg and 800/160mg. Patients requiring this class of antibiotic therapy rely on this established product for its consistent formulation.

Buying Bactrim online

While generic Trimethoprim, often produced in India, offers a cost-effective alternative to the original brand, reliable access remains a factor for expats or those residing far from a well-stocked pharmacy. These tablets are best used under a doctor’s care for the management of specific conditions.

Is Bactrim from SGMeds the original brand?

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

What is Bactrim for?

Bactrim is used for bacterial infections.

How is Bactrim priced?

Bactrim comes in 400/80 and 800/160mg strengths, in packs of 10 to 360 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 other brands contain the same active ingredient as Bactrim?

In other countries, trimethoprim is also sold as Septrin.

What side effects does Bactrim have?

The most common side effects of trimethoprim are nausea and diarrhoea. Less common ones are skin rash and itching (pruritus). Serious side effects include blood cell disorders (blood dyscrasias) and a severe skin reaction (Stevens-Johnson syndrome). Get medical help straight away if you notice one of these serious effects.

Which medicines interact with Bactrim?

Trimethoprim can interact with digoxin and phenytoin. Before you start Bactrim, tell your doctor or pharmacist about any medicines, supplements or herbal remedies you take.

Do I need a prescription for Bactrim in Singapore?

No. SGMeds does not ask for a prescription to order Bactrim: we place the order with our pharmacy partner, which prepares it and arranges delivery on your behalf.

Ordering without a prescription →

Can I buy Bactrim online in Singapore?

Yes, here on SGMeds: choose the strength and pack, then check out. We deliver to Singapore and Malaysia. Express shipping is tracked and takes up to 1 week, and Regular shipping takes up to 3 weeks.

How ordering works →

What you will receive

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

  • You receive a generic equivalent: the same active ingredient (Trimethoprim) 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.