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Nitrofurantoin Prescription Medicines in the Philippines

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Basahin sa Tagalog | Want to buy in person? Find a MedsGo Pharmacy near you 

Nitrofurantoin is your UTI's worst enemy—a trusted antibiotic that targets urinary tract infections right where they start. Think of it as a "smart bomb" that concentrates in your urine to eliminate bacteria causing painful, frequent urination.

  • 50mg & 100mg capsules available
  • VAT-Exempt (Save 12% automatically under Philippine law!)
  • PNF Listed - Philippine National Formulary approved essential medicine
  • No Prescription? Get a FREE teleconsultation with our licensed doctor during checkout

Read full description below ↓

Understanding Nitrofurantoin: Your UTI's Worst Enemy 
Nitrofurantoin is a trusted urinary anti-infective antibiotic that has been helping Filipinos fight urinary tract infections (UTIs) and bladder infections (cystitis) for decades. As an essential medicine listed in the Philippine National Formulary 8th Edition, you can be confident this is a government-approved, evidence-based treatment that specifically targets bacteria in your urinary system.

How Nitrofurantoin Works (Simple Explanation) 
Imagine your urinary tract is like a garden hose that bacteria have contaminated. Most antibiotics circulate throughout your entire body, but Nitrofurantoin acts like a "smart sprinkler"—it filters through your kidneys and concentrates specifically in your urine, right where the infection lives. It works by:

  • Damaging bacterial DNA: It disrupts the genetic material of bacteria like E. coli, preventing them from reproducing
  • Attacking cell walls: It damages the bacterial cell walls, causing the bacteria to burst and die
  • Targeting multiple systems: Unlike some antibiotics that only attack one weakness, Nitrofurantoin hits bacteria in multiple ways—making resistance less likely
This unique concentration in urine means it effectively treats UTIs while minimizing effects on the rest of your body—like having a specialized cleaning crew for your plumbing.


Nitrofurantoin Quick Guide: What You Need to Know

Available Strengths 50mg and 100mg capsules (macrocrystals); 100mg dual-release; 25mg/5mL suspension (PNF standard)
Standard Dosage Acute UTI: 50-100mg four times daily for 7 days OR 100mg twice daily (dual-release) for 7 days; Prophylaxis: 50-100mg at bedtime (as prescribed by doctor)
Best Time to Take Take with food or milk to improve absorption and reduce stomach upset. Space doses evenly throughout the day
Key Benefits Concentrates in urine (not blood), low antibiotic resistance rates, effective against common UTI bacteria, available for long-term prevention

Why Choose Nitrofurantoin from MedsGo?

  • Automatic VAT Savings: Under Philippine law (TRAIN & CREATE Acts), Nitrofurantoin is VAT-exempt. You save 12% instantly—no paperwork needed!
  • ✅ PNF Quality Assurance: Our Nitrofurantoin complies with Philippine National Formulary standards (50mg & 100mg capsules as macrocrystals), ensuring you receive essential medicine that meets DOH requirements.
  • Temperature-Controlled Storage: Unlike generic warehouses, our FDA-registered pharmacies store medicines properly to maintain potency.
  • Doctor Care Included: No prescription? No problem. Add to cart and get a FREE teleconsultation with our licensed physician—no hidden fees.
  • Fast & Safe Delivery: Or pick up at any MedsGo pharmacy nationwide for same-day availability.

Safety & Side Effects: What to Watch For ⚠︎
Most patients tolerate Nitrofurantoin well, but be a smart medicine user:

  • Common: Nausea, vomiting, loss of appetite, stomach pain, diarrhea, headache, dizziness—usually temporary as your body adjusts. Taking with food helps minimize these
  • Watch For: Fever, chills, cough, chest pain, shortness of breath (possible lung reaction), yellowing skin/eyes, dark urine (liver problems), numbness/tingling in hands/feet (nerve damage). Contact our doctor immediately if these occur
  • CRITICAL: Complete the full course even if you feel better! Stopping early can cause the infection to return and bacteria to become resistant
  • Special Note: If you have kidney disease, G6PD deficiency, are pregnant (especially last 2-4 weeks), or breastfeeding, inform our doctor during teleconsultation as Nitrofurantoin may not be suitable

Pro Tip: Drink plenty of water while taking Nitrofurantoin to help flush bacteria from your system. Avoid antacids containing magnesium trisilicate—they can reduce the effectiveness of this antibiotic. If symptoms don't improve within 3 days, contact our doctor!
Remember: Nitrofurantoin only treats bacterial UTIs—it won't work for viral infections like colds or flu. Your urine may turn dark yellow or brown while taking this medicine; this is normal and harmless. However, if you experience severe diarrhea (possibly with blood), seek medical attention immediately as this could indicate a serious intestinal condition.

Mahalagang Impormasyon sa Tagalog

Nitrofurantoin: Ang Pinakamalakas na Kalaban ng UTI 
Ang Nitrofurantoin ay isang urinary anti-infective na antibiotic na matagal nang tinatagalan ng mga Pilipino para sa urinary tract infections (UTI) at bladder infections (cystitis). Ayon sa Philippine National Formulary (8th Edition), ito ay aprubado ng DOH bilang essential medicine para sa UTI treatment.

Paano Gumagana ang Nitrofurantoin? 
Isipin na ang iyong urinary tract ay isang garden hose na kontaminado ng bacteria. Ang Nitrofurantoin ay parang "smart sprinkler"—nagko-concentrate ito sa ihi para directly i-target ang infection. Pinasisira nito ang DNA at cell walls ng bacteria, kaya sila namamatay at nawawala ang infection.

Ang Mahusay na Benepisyo ng Pagbili sa MedsGo 

  • Automatikong VAT Discount: Libre sa 12% VAT dahil sa batas ng Pilipinas (TRAIN & CREATE Acts)
  • ✅ PNF Quality: 50mg at 100mg capsules (macrocrystals) ayon sa pamantayan ng DOH
  • Libre Konsulta: Walang reseta? Libre ang teleconsultation sa aming doktor
  • Pambansang Botika: Maaari ring bumili sa kahit anong MedsGo pharmacy sa buong bansa

Mga Side Effect na Dapat Bantayan ⚠︎

  • Karaniwan: Pagduduwal, pagtatae, sakit ng ulo, pagkahilo—usually pansamantala lang. Mas mabuti kung kasabay ng pagkain
  • Seryoso: Lagnat, pananakit ng dibdib, hirap huminga (possible lung reaction), dilaw na balat—tawagin agad ang doktor
  • MAHALAGA: Tapusin ang buong course kahit gumaling na! Baka bumalik ang infection at maging resistant ang bacteria
Tanong ng mga Kustomer: "Normal ba ang dark yellow na ihi?" Oo, normal ito habang umiinom ng Nitrofurantoin at hindi nakakapinsala. Pero kung may severe diarrhea (posibleng may dugo), tumawag agad sa doktor.
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HARFURIN Nitrofurantoin 100mg is used for the treatment of acute, uncomplicated infections within the lower urinary tract, such as the bladder, that are caused by susceptible strains of bacteria. It works as an antibacterial agent, concentrating its activity specifically in the urine to eliminate the pathogens responsible for the infection. This preparation may also be used for long-term prophylactic management to prevent the recurrence of urinary tract infections in susceptible individuals. The effectiveness depends on the sensitivity of the bacteria to this medication.
Dosage100mg PackagingCapsule 1's
In stock
9000
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HARFURIN Nitrofurantoin 100mg is used for the treatment of acute, uncomplicated infections within the lower urinary tract, such as the bladder, that are caused by susceptible strains of bacteria. It works as an antibacterial agent, concentrating its activity specifically in the urine to eliminate the pathogens responsible for the infection. This preparation may also be used for long-term prophylactic management to prevent the recurrence of urinary tract infections in susceptible individuals. The effectiveness depends on the sensitivity of the bacteria to this medication.
BrandHarfurin Dosage100mg
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