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Order Ampicillin Online - Australian Pharmacy

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Choose dosage and pack size
DosagePackagePrice per DosePrice
250mg360 pillsA$1.10
A$568.80
A$398.16
Best Price
250mg180 pillsA$1.32
A$340.03
A$238.02
250mg90 pillsA$1.99
A$256.56
A$179.59
250mg60 pillsA$2.32
A$197.82
A$138.48
250mg30 pillsA$3.09
A$132.90
A$93.03
500mg360 pillsA$1.21
A$624.44
A$437.11
Popular
500mg120 pillsA$1.82
A$312.21
A$218.54
500mg90 pillsA$2.21
A$284.38
A$199.07
500mg60 pillsA$2.64
A$225.65
A$157.95
500mg30 pillsA$3.25
A$139.08
A$97.36
A$398.16
Quantity:
✈️
Airmail 14–21 days
Express delivery 5–9 days
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Free Airmail from A$279.23
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Crypto discount −10%

What is Ampicillin?

Ampicillin is a penicillin-type antibiotic. It fights many bacterial infections by blocking the construction of the bacterial cell wall. This makes the bacteria weak and unable to grow. It is sold as capsules, a liquid suspension, and injectable forms. Ampicillin is often chosen when the doctor suspects bacteria that are likely to respond. It must be used under a prescription and with medical guidance.

How does it work?

Ampicillin interferes with enzymes that build the wall of bacteria. Without a strong wall, bacteria die or stop multiplying. The drug is more effective against some gram-positive bacteria and certain gram-negative ones. Resistance can occur if the organisms produce beta-lactamase enzymes. For this reason, ampicillin is sometimes used with another agent in hospital settings.

Common uses

It is used to treat respiratory tract infections, urinary tract infections, and some gastrointestinal infections. It can help with skin infections and certain ear infections. In serious cases, it may be given in a hospital for meningitis caused by Listeria or certain Enterococcus infections. The choice depends on lab results and clinical judgment.

Forms and how to take

The medicine comes as capsules of 250 mg or 500 mg, and as a liquid suspension. The exact dose depends on age, weight, and the infection. Take ampicillin with a full glass of water. You may take it with or without food unless your doctor says otherwise. Use the product for the full course even if you feel better. Do not skip doses.

Storage and safety

Store capsules at room temperature away from moisture. The suspension should be refrigerated after mixing and used within a stated time. Keep both out of reach of children. Check the expiry date on the bottle. Do not use medicine that looks discolored or has changed smell.

Possible side effects

Common side effects include nausea, vomiting, diarrhea, and rash. Some people may have stomach upset after taking ampicillin. Serious allergic reactions are rare but require urgent care. Stop the medicine and contact a clinician if you have swelling of the face or trouble breathing.

Warnings and interactions

Tell your doctor about other medicines you take, especially other antibiotics, blood thinners, or birth control pills. Ampicillin can interact with lab tests and with certain foods. Kidney disease, pregnancy, and breast-feeding require medical advice. Always follow the label and your clinician’s directions.

Missed dose and overdose

If you miss a dose, take it as soon as you remember. If it is almost time for the next dose, skip the missed one and resume the regular schedule. Do not double dose to catch up. In case of suspected overdose, seek medical help right away.

Effectiveness and monitoring

Ampicillin is most effective when the infecting bacteria are susceptible. Your doctor may check symptoms and, if needed, lab tests to confirm the organism. Do not stop early if you feel better; complete the prescribed course. Monitoring helps prevent relapse and resistance.

Notes for online shoppers

In an online pharmacy, look for clear product details, batch numbers, and storage instructions. The page should include the active substance, strength, form, and expiration date. Verify the source is reputable and that the product matches your prescription. If in doubt, call the pharmacist for help.

✈️

Airmail

14–21 days. Free from A$279.23 .

Express delivery

5–9 days. A$41.88

🔒

Crypto discount

−10% when paying with cryptocurrency.

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Reorder discount

−10% on all repeat orders.

📦 Packaging and discretion

All orders are packed in neutral, unbranded boxes with no product name on the outside.

Emily Lawson
Medically reviewed by
Emily Lawson
Clinical Pharmacologist (PhD), Registered Pharmacist (AHPRA)