Ampicillin

Buy Ampicillin
ampicillin

$23.60

  • Active ingredient: Acillin
  • Category: Antibiotics
  • Delivery time: Airmail (14-21 days) | EMS trackable (5-9 days)
  • Prescription: Included
  • Availability: In Stock

Generic Ampicillin 250 mg / 500 mg pills are available to buy from our trusted online pharmacy in Singapore with prompt delivery. As a beta-lactam antibiotic, it inhibits bacterial cell wall synthesis to combat various infections effectively. It penetrates tissues to address gram-positive and some gram-negative bacteria. This is beneficial for adults facing acute infections requiring versatile oral antimicrobial support.

Table of contents

Ampicillin (Acillin) Buyer and Patient Handbook in Singapore

What is Ampicillin?

Ampicillin (Acillin) is a beta-lactam antibiotic belonging to the penicillin class. It treats a wide range of bacterial infections such as respiratory, urinary-tract, gastrointestinal and Meningitis. The medication is approved by the Singapore Health Sciences Authority (HSA) and is available as oral tablets.

Who Should Use Ampicillin?

  • Adults and children with confirmed or suspected infections caused by susceptible bacteria.
  • Patients needing a broad-spectrum penicillin for community-acquired infections.
  • Individuals without a known allergy to penicillins or cephalosporins.

How Does It Work?

Ampicillin blocks the synthesis of the bacterial cell wall by binding to penicillin-binding proteins, leading to cell lysis and death. Think of it as removing the bricks from a house’s wall, causing the structure to collapse. Because it targets a process absent in human cells, it has a high safety margin, though severe Allergic Reactions can occur in sensitive individuals.

Why Choose Ampicillin?

  • Cost-effective: As a generic, it offers the same clinical benefit as brand-name penicillins at a lower price.
  • Proven efficacy: Decades of clinical use confirm its reliability for many infections.
  • Convenient dosing: Available in 250 mg and 500 mg tablets that are easy to swallow.

Off-label uses exist (e.g., certain prophylactic settings) but should only be undertaken after professional consultation.

Dosage, Administration, Lifestyle and Dietary Recommendations

  • 250 mg tablet: 250 mg every 6 hours (four times daily).
  • 500 mg tablet: 500 mg every 6 hours (four times daily). Exact regimen should follow the prescribing information for the specific infection.

How to Take

  • Swallow tablets whole with a full glass of water.
  • Can be taken with or without food; a light meal may reduce stomach upset.

Missed Dose

  • Take the missed dose as soon as you remember unless it is within 2 hours of the next scheduled dose.
  • Skip the forgotten dose and continue with your regular schedule; do not double-dose.

Overdose

  • If an overdose is suspected, seek urgent medical attention or call the Singapore Poison Centre (+65 180-225 5825).
  • Symptoms may include Nausea, Vomiting, dizziness, or Diarrhea.

Special Populations

  • Elderly: May need dose adjustment if renal function is reduced.
  • Children: Dosage is weight-based; pediatric formulations are available.
  • Renal impairment: Extend dosing interval according to creatinine clearance.

Lifestyle & Diet

  • Avoid taking antacids containing aluminum or magnesium within 2 hours of the dose, as they can lower absorption.
  • No need to restrict grapefruit or dairy products, but maintain adequate hydration.

Precautions and Warnings

  • Allergy: Discontinue immediately if you develop rash, itching, swelling, or breathing difficulty.
  • Superinfection: Prolonged therapy may allow overgrowth of resistant organisms (e.g., Clostridioides difficile).
  • Pregnancy & Breast-feeding: Generally considered safe, but discuss with a healthcare professional.

Drug Interactions

Interacting Drug Risk Action
Warfarin ↑ INR, bleeding Monitor INR closely
Oral contraceptives ↓ efficacy Use additional contraception
Probenecid ↑ Ampicillin levels Adjust dose if needed

Potential Side Effects

Common Side Effects

  • Nausea, vomiting, diarrhea
  • Mild skin rash
  • Abdominal discomfort

Less Common Side Effects

  • Elevated liver enzymes
  • Temporary increase in blood urea nitrogen

Serious Side Effects

  • Anaphylaxis: Rapid swelling, throat tightness, drop in blood pressure - seek emergency care.
  • Severe skin reactions (Stevens-Johnson syndrome) - stop medication and contact a doctor immediately.

Who Should Avoid This Medication?

  • Known hypersensitivity to penicillins or any component of the tablet.
  • History of severe allergic reactions to other β-lactam antibiotics.
  • Current Mononucleosis infection (risk of rash).

Storage Instructions

  • Keep tablets in the original container, tightly closed.
  • Store below 25 °C (77 °F), away from moisture and direct sunlight.
  • Keep out of reach of children.

Ampicillin Alternatives

Name Class Key Difference
Amoxicillin Penicillin Better oral absorption, similar spectrum
Cefuroxime Cephalosporin Broader Gram-negative coverage
Azithromycin Macrolide Useful for penicillin-allergic patients

Frequently Asked Questions

How quickly will I feel better after starting Ampicillin?

Most patients notice symptom improvement within 48-72 hours, but you must complete the full course to prevent resistance.

Can I take Ampicillin with alcohol?

Yes, moderate alcohol consumption does not interfere with its efficacy, though excessive drinking may worsen stomach upset.

Is it safe to use Ampicillin while pregnant?

Ampicillin is classified as Category B (no proven risk in humans). It is generally considered safe, but discuss any concerns with your healthcare provider.

What should I do if I develop a rash?

A mild rash may be harmless, but stop the medication and contact a doctor promptly to rule out an allergic reaction.

Can I use Ampicillin for a viral infection like the common cold?

No. Ampicillin targets bacteria; it has no effect on viruses and using it unnecessarily may cause side-effects and resistance.

How should I store the tablets during a power outage?

If the environment stays below 25 °C, the tablets remain stable. Otherwise, move them to a cooler, dry place until power returns.

Will taking antacids reduce the effectiveness of Ampicillin?

Antacids containing aluminum or magnesium can lower absorption if taken within 2 hours of the antibiotic. Space them apart.

Duration varies by infection: typically 5-7 days for uncomplicated infections, longer for severe or deep-seated infections as advised by a clinician.

Glossary

  • Beta-lactam: A chemical ring structure found in penicillins and cephalosporins that disrupts bacterial cell wall formation.
  • Spectrum (of activity): The range of bacterial species a drug can effectively treat.
  • Bioavailability: The proportion of a drug that reaches systemic circulation unchanged after oral administration.
  • Half-life: Time required for the blood concentration of a drug to reduce by half; influences dosing intervals.
  • Nephrotoxicity: Potential of a drug to cause kidney damage; relevant in patients with pre-existing renal disease.

Disclaimer

The information provided here is for educational purposes only and does not substitute professional medical advice. Off-label uses should be discussed with a qualified healthcare practitioner. Our online pharmacy platform supplies only legally approved medicines; however, you remain responsible for verifying suitability, dosage, and possible interactions with your own clinician. Always seek immediate medical attention if you experience serious side effects or an allergic reaction.

How to purchase Ampicillin on our Website

To purchase Ampicillin | Acillin on our website, just select the required dosage and quantity of pills above. The price of your choice will appear automatically. Next, add the chosen amount to your cart by clicking the Add to Cart button. You can either continue shopping for more pills or head to the checkout. At the Checkout, finalize your purchase through our secure payment gateway.

Ampicillin / Acillin pills are made using high-quality generic ingredients and are subject to strict quality control in line with WHO and Health Sciences Authority (HSA) standards. However, please note that Ampicillin pills are dispatched from outside Singapore due to prescriptions issued overseas.

Disclaimer: The content on this website is provided solely for informational purposes and is not intended to replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with any questions or concerns regarding your health, and never disregard or delay seeking professional advice based on the information presented here. Use of this website does not create a doctor-patient relationship, and in the event of a medical emergency, please contact your local emergency services immediately. Our website assumes no responsibility or liability for any errors or omissions in the content provided.

Reviews

4.75/186
Ampicillin

Just started Ampicillin for a stubborn sinus infection. Doctor said it's broad-spectrum. On day 3 and my stomach is already feeling... off. Not full-on diarrhea yet, but definitely gassy and crampy. Trying to eat yogurt with every dose like my aunt said. Hope it kicks in soon, the sinus pressure is still brutal.

Wei L. Kuala Lumpur, Malaysia

First time on antibiotics in years. Took the 500mg pill after lunch. A few hours later, felt super nauseous and had to lie down. Maybe I should've taken it with more food? The leaflet says to take it on an empty stomach for best absorption but that's a no-go for me. Sticking with meals from now on.

Anita R. Manila, Philippines

Been on Ampicillin on and off for chronic UTIs for about a year now. It's the only thing that works for me. The key is to ALWAYS finish the course, even if you feel better. Learned that the hard way. Side effects are manageable if you take a good probiotic a few hours apart from the dose. No yogurt, no deal.

Chloe T. Singapore, Singapore

Long-term user for a skin condition. Ampicillin keeps the flare-ups at bay, but it messes with my birth control. Had a major scare last year. Doctor didn't mention it, found out online. Now I use a backup method every single time. It's effective, but you gotta be aware of the interactions.

Maya S. Bangkok, Thailand

I get chest infections easily. Ampicillin clears it up fast, but the taste in my mouth is awful. Metallic, kinda bitter. Chewing sugar-free gum helps a lot. Also, if you miss a dose, don't double up. Just take the next one as scheduled. Set a phone alarm, it's a lifesaver.

Rizwan K. Jakarta, Indonesia

After a dental procedure, was on Ampicillin for a week. It did its job, no infection. But wow, the fatigue was real. Could barely stay awake past 8 PM. Drank tons of water, which helped with the mild thrush I started getting. Not a fun time, but necessary.

David C. Singapore, Singapore

Took it for a throat infection. Worked great on the infection, but it gave me a pretty bad rash on my chest and arms around day 5. Doctor said it's a known side effect, not an allergy. Switched me to something else. It's potent, but watch out for skin reactions.

Sari D. Penang, Malaysia

My kid had an ear infection and was prescribed the liquid form. Getting a child to take antibiotics is a battle. Mixing it with a small amount of chocolate milk was the only hack that worked. The infection cleared up in 48 hours, but his stomach was upset for days. Probiotic drops helped a bit.

Maria P. Cebu, Philippines

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