Zithromax

Buy Zithromax
zithromax

$38.10

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

Zithromax (Azithromycin) tablets are available to order from our Singapore pharmacy with reliable delivery. This broad-spectrum macrolide antibiotic works by inhibiting bacterial protein synthesis, effectively stopping the growth and spread of infection-causing bacteria. It provides convenient once-daily dosing for respiratory infections, skin conditions, and sexually transmitted diseases. Zithromax is an ideal solution for adults requiring effective antibiotic treatment with a simple dosing schedule.

Table of contents

Zithromax (Azithromycin) Buyer and Patient Handbook - Singapore

What is Zithromax?

Zithromax is a macrolide antibiotic commonly used to treat bacterial infections such as respiratory tract infections, Skin Infections, and sexually transmitted diseases. It belongs to the class of antibiotics known as azalides, a subclass of macrolides, and is approved by the Health Sciences Authority (HSA) of Singapore. The medication is supplied as oral tablets (pill) in several strengths.

Who Should Use Zithromax?

  • Adults and adolescents (12 years and older) with confirmed or suspected bacterial infections that are susceptible to azithromycin.
  • Patients with uncomplicated community-acquired Pneumonia, acute Sinusitis, or uncomplicated urinary-tract infections caused by susceptible organisms.
  • Travelers needing short-course therapy for travel-related infections such as enteric fever or leptospirosis.

How Does It Work?

Zithromax works by binding to the 50S subunit of bacterial ribosomes, blocking protein synthesis and thereby stopping bacterial growth. Think of it as a “speed-bump” that slows down the bacterial assembly line, allowing the immune system to clear the infection more effectively. The drug concentrates in tissues, so even a brief course can maintain therapeutic levels at the infection site.

Why Choose Zithromax?

Zithromax provides a convenient once-daily dosing schedule and a short treatment duration (often 3-5 days), which can improve adherence compared with many older antibiotics. Its tissue-penetrating properties make it effective for infections in hard-to-reach areas such as the lungs and sinuses. For patients who prefer a brand-name product, Zithromax offers consistent formulation quality; generic azithromycin is also widely available and cost-equivalent.

Dosage, Administration, Lifestyle and Dietary Recommendations

  • Adults: 500 mg on day 1, then 250 mg once daily on days 2-5 (total 1 g).
  • Children (≥12 years): 10 mg/kg on day 1, then 5 mg/kg once daily on days 2-4.
  • Formulations available: 100 mg, 250 mg, 500 mg, and 100 mg tablets.

How to Take

  • Swallow the tablet whole with a full glass of water.
  • It may be taken with or without food; food can reduce stomach upset.
  • Do not crush or chew the tablet to preserve its extended-release properties.

Missed Dose

  • If you realize a missed dose within 12 hours, take it immediately.
  • If it is later than 12 hours, skip the missed dose and resume your regular schedule; do not double-dose.

Overdose

  • Overdose symptoms may include Nausea, Vomiting, and abdominal Pain.
  • Seek emergency care or contact the Singapore Poison Centre (180-222-1111) if you suspect an overdose.

Special Populations

  • Elderly: No dose adjustment needed unless there is severe liver impairment.
  • Renal impairment: No adjustment for mild-moderate disease; monitor closely in severe cases.
  • Pregnancy & lactation: Considered low risk (Category B2); discuss with a healthcare professional.

Lifestyle & Diet

  • Avoid taking antacids containing aluminum or magnesium within 2 hours of the dose, as they may lower absorption.
  • Grapefruit juice does not significantly affect azithromycin, but maintain consistent intake of any fruit juices.
  • Alcohol does not interact directly with Zithromax, but excessive drinking can impair immune response.

Precautions and Warnings

  • Use only for infections proven or strongly suspected to be caused by susceptible bacteria; inappropriate use can promote resistance.
  • Do not use if you have a known hypersensitivity to macrolides or any component of the tablet.
  • Monitor liver function in patients with pre-existing hepatic disease, as rare hepatotoxicity has been reported.
  • Prolonged QT interval can be aggravated; avoid in patients with known cardiac arrhythmias or those taking other QT-prolonging drugs.

Drug Interactions

Drug Class Interaction Risk Management
Antacids (Al/ Mg) Decreased absorption Separate by ≥2 h
Warfarin May increase INR Monitor INR closely
Statins (e.g., simvastatin) ↑ risk of myopathy Dose adjust or choose alternative statin

Potential Side Effects

Common Side Effects

  • Nausea, vomiting, abdominal pain
  • Diarrhea (often mild)
  • Headache

Less Common Side Effects

  • Dizziness, Fatigue
  • Mild skin rash or itching

Serious Side Effects

  • Severe Allergic Reactions (swelling, difficulty breathing) - seek immediate medical help
  • Hepatotoxicity (jaundice, dark urine) - stop the drug and consult a doctor
  • Cardiac arrhythmias (palpitations, fainting) - report promptly

Who Should Avoid This Medication?

  • Patients with a known allergy to azithromycin, Erythromycin, or other macrolides.
  • Individuals with a history of prolonged QT interval or who are on multiple QT-prolonging agents.
  • Those with severe hepatic impairment (Child-Pugh C).

Storage Instructions

  • Keep tablets in the original blister pack, tightly closed.
  • Store at room temperature (15-30 °C); protect from moisture and direct sunlight.
  • Keep out of reach of children and pets.

Zithromax Alternatives

Name Class Key Difference
Azithromycin (generic) Macrolide Same active ingredient, lower cost
Clarithromycin Macrolide Slightly different spectrum; may cause more drug-interactions
Doxycycline Tetracycline Broader coverage for atypical organisms; requires twice-daily dosing

Frequently Asked Questions

How quickly does Zithromax start working?

Most patients notice symptom improvement within 48 hours, although the full course should be completed to ensure eradication of the bacteria.

Can I take Zithromax with my regular vitamins?

Yes, multivitamins generally do not interfere with azithromycin absorption.

Is it safe to drink coffee while on Zithromax?

Coffee has no known interaction; moderate consumption is fine.

What should I do if I develop a rash?

Stop the medication and contact a healthcare professional; a rash may indicate an allergic reaction.

Does Zithromax affect birth control pills?

Azithromycin does not reduce the effectiveness of hormonal contraceptives, but maintaining consistent contraception is advisable.

Can I use Zithromax for viral infections like the common cold?

No, azithromycin targets bacteria and will not treat viral illnesses; using it unnecessarily contributes to resistance.

What is the difference between a 500 mg and a 100 mg tablet?

The 100 mg tablet contains double the dose; it is usually prescribed for a single-day loading dose in certain infections.

Should I avoid dairy products while taking Zithromax?

Dairy does not significantly affect azithromycin absorption, so it can be consumed normally.

How should I store leftover tablets?

Keep them in the original packaging at room temperature, away from moisture, and discard any tablets that are past their expiry date.

What if I miss the entire 5-day course?

Contact a healthcare professional for advice; a partial course may be ineffective and increase resistance risk.

Glossary

  • Macrolide: A class of antibiotics that inhibit bacterial protein synthesis.
  • QT interval: A measurement on an ECG that reflects the time heart cells take to recharge; prolongation can lead to dangerous rhythms.
  • Bioavailability: The proportion of a drug that enters the circulation and can have an active effect.

Disclaimer

The information provided here is for general educational purposes only and does not replace professional medical advice. Off-label use should only be considered after consulting a qualified healthcare practitioner. Readers are responsible for verifying the suitability of this medication for their individual health needs. Our platform offers information and facilitates access to licensed pharmacies in Singapore; it does not prescribe or dispense medication. Always consult a qualified healthcare professional before starting any new treatment.

Zithromax Properties

  • Original Manufacturer: Pfizer
  • Clinical use: Antibiotic for bacterial infections and sexually transmitted diseases
  • Spectrum of activity: Broad-spectrum
  • Mechanism of action: Inhibits bacterial protein synthesis
  • Classification: Macrolide
  • Recommended Dosage: 500 mg on the first day, followed by 250 mg daily for 4 days
  • Basic Side Effects: diarrhea, nausea, abdominal pain
  • Moderate Side Effects: dizziness, rash, vomiting
  • Serious Side Effects: allergic reactions, liver damage, arrhythmias

Zithromax Drug Class

Macrolides

How to order Zithromax from our Online Pharmacy

To order Zithromax | Azithromycin on our online pharmacy, all you need to do is select the required dosage and quantity of pills above. The cost of the selected pack 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 medications or head to the checkout. At the Checkout, finalize your purchase through our secure payment gateway.

Zithromax / Azithromycin 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 Zithromax 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

4.78/171
Zithromax

Got hit with a nasty sinus infection. The clinic gave me the 500mg Azithromycin dose, just three pills. It zaps the infection fast, yeah, but the stomach cramps are brutal. Rule number one: NEVER take this on an empty stomach. I thought I was gonna throw up my liver. Take it right after a huge meal, seriously, like rice and curry. It helps dampen the nausea a bit. Also, the taste is just bitter death.

Amelia F. Manila, Philippines

Third time using Zithromax for a respiratory flare-up. It works like magic for the lungs, clearing it up in three days flat. But the sleep disruption is real. Intense, weird dreams, and I wake up feeling wire-y. User hack: I always take my dose (250mg) right as I wake up, around 7 AM, never near bedtime. That seems to minimize the nocturnal weirdness. Fast results, but expect a few days of dry mouth and slightly fuzzy thinking.

Kenji L. Kuala Lumpur, Malaysia

I was on a low-dose 100mg regimen for persistent skin issues. Initially, the fatigue was overwhelming. I felt like I was wading through cement all day. That subsided after the first week, thankfully. Now, the skin is clearer than it's been in years, but the trade-off is constant heartburn. I have to carry those little chalky antacids everywhere. It's an effective antibiotic, just harsh on the digestive tract over time. Worth it for the face, though.

Putri H. Jakarta, Indonesia

Using Azithromycin to knock out a bad bout of travellers' diarrhea, the 1000mg single dose. Holy cow, it works fast, literally within 12 hours I felt functional again. BUT, and this is crucial, the antibiotic gave me the worst metallic taste in my mouth, like sucking on old pennies. Everything tasted wrong. My tip: chew ridiculously strong mint gum constantly, or suck on hard candy. It masks the taste and the dryness. Great fast-acting knockout punch, though.

Wison T. Bangkok, Thailand

Got the Z-Pak for tonsillitis. Day one and I'm completely fine, fever gone, sore throat minimal. But my head feels weird. Not dizzy, but that specific "brain zap" feeling when I turn my eyes too fast. It's unsettling. I also have zero appetite, which never happens to me. I need to force myself to eat something substantial before I take the pill, otherwise, I feel floaty and sick. Hope the weird head feeling goes away after I finish the course.

Chloe P. Singapore, Singapore

Been prescribed this cyclically for recurring ear infections. I know the drill now. It does the job better than anything else. The major side effect for me is tinnitus. A high-pitched ringing starts around day two, and sometimes lasts a few days after I finish the 250mg course. Pro-tip: Take a high-quality probiotic an hour or two *after* your dose, not simultaneously. It helps rebuild the gut flora that this stuff nukes, minimizing the stomach upset.

Jeyanthi S. Penang, Malaysia

It fixed my respiratory infection perfectly. But it activated my latent anxiety issues big time. I had heart palpitations several times a day, just a fluttery, racing feeling that wasn't there before. I discussed it with my pharmacist. She suggested avoiding caffeine completely while on the 500mg dose. That actually helped stabilize the heart rate quite a bit. Effective drug for quick turnaround, but beware the nervous system effects if you're prone to jitters.

Ryan G. Jurong, Singapore

This antibiotic is amazing for general bacterial infections, really powerful stuff. But when I took it for my acne, it made my skin sensitive to light. I got sunburnt just walking from the car to the office, even with sunscreen on. I changed my routine: I only take the pill (250mg) at night. This allows the peak sensitivity time to happen while I'm asleep. It's a good hack if you live somewhere tropical and need to be outside.

Mai N. Hanoi (reporting from Phuket), Thailand

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