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  1. Home
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  3. Fosforex Powder Sachet 8 gm

Fosforex Powder Sachet 8 gm, Pack of 1 Powder
Written By Veda Maddala , M Pharmacy
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
48 Hrs returnable
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Whats That

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Composition :

FOSFOMYCIN-3GM

Manufacturer/Marketer :

Meditrex Pharma

Consume Type :

ORAL

Return Policy :

Not Returnable

Expires on or after :

Therapeutic Class

ANTIBIOTICS

Country of origin

India

Manufacturer/Marketer address

417, Sundaram Hub, Bahuchraji Rd. Karelibaug, Vadodara - 390018
Other Info - FOS0090

Author Details

Veda MaddalaDoctor badge

Written By

Veda Maddala

M Pharmacy

Dr Aneela SiddabathuniDoctor badge

Reviewed By

Dr Aneela Siddabathuni

MPharma., PhD

Last Updated

Jul 8, 2025 | 9:32 AM IST

Doctor imageWe provide you with authentic, trustworthy and relevant information

FAQs

Fosforex Powder Sachet 8 gm contains Fosfomycin, which inhibits the formation of the bacterial cell wall (a protective covering) necessary for their survival. Thus, it kills bacteria. Also, Fosforex Powder Sachet 8 gm decreases the attachment of bacteria to cells lining the urinary bladder.

Fosforex Powder Sachet 8 gm is not recommended in patients undergoing hemodialysis (a process of purifying blood by filtering out extra fluids and wastes when kidneys are not working) as the excretion of Fosforex Powder Sachet 8 gm may be reduced in such patients leading to the accumulation of Fosforex Powder Sachet 8 gm in the body. Therefore, please inform your doctor if you are undergoing hemodialysis before taking Fosforex Powder Sachet 8 gm so that alternative medicine may be prescribed.

Yes, Fosforex Powder Sachet 8 gm may cause headaches as a common side effect. However, if the condition persists or worsens, please consult a doctor.

You are not recommended to take Fosforex Powder Sachet 8 gm with metoclopramide as co-administration of these two medicines may reduce the absorption of Fosforex Powder Sachet 8 gm. However, please consult your doctor before taking Fosforex Powder Sachet 8 gm with other medicines.

You are not recommended to stop taking Fosforex Powder Sachet 8 gm without consulting your doctor, as it may worsen the infection or cause recurring symptoms. Therefore, complete the full course of antibiotics and take Fosforex Powder Sachet 8 gm for as long as your doctor has prescribed it, and if you experience any difficulty while taking Fosforex Powder Sachet 8 gm, please consult your doctor.

Disclaimer

While we strive to provide complete, accurate, and expert-reviewed content on our 'Platform', we make no warranties or representations and disclaim all responsibility and liability for the completeness, accuracy, or reliability of the aforementioned content. The content on our platform is for informative purposes only, and may not cover all clinical/non-clinical aspects. Reliance on any information and subsequent action or inaction is solely at the user's risk, and we do not assume any responsibility for the same. The content on the Platform should not be considered or used as a substitute for professional and qualified medical advice. Please consult your doctor for any query pertaining to medicines, tests and/or diseases, as we support, and do not replace the doctor-patient relationship.
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Alcohol

Caution

The interaction of alcohol with Fosforex Powder Sachet 8 gm is unknown. However, limit or avoid consumption of alcohol while taking Fosforex Powder Sachet 8 gm.

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Pregnancy

Caution

Fosforex Powder Sachet 8 gm is a category B pregnancy drug and is given to pregnant women only if the doctor thinks the benefits outweigh the risks. Therefore, please inform your doctor if you are pregnant or planning pregnancy before taking Fosforex Powder Sachet 8 gm.

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Breast Feeding

Caution

Small amounts of Fosforex Powder Sachet 8 gm are excreted in human milk. Therefore, it is given to breastfeeding mothers only if the doctor thinks the benefits are greater than the risks.

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Driving

Caution

Fosforex Powder Sachet 8 gm may cause dizziness or tiredness in some people. Therefore, avoid driving if you experience any of these symptoms after taking Fosforex Powder Sachet 8 gm.

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Liver

Caution

Limited information is available on the effect of Fosforex Powder Sachet 8 gm in patients with liver disease. Therefore, inform your doctor if you have any liver diseases/conditions before taking this medicine.

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Kidney

Caution

Fosforex Powder Sachet 8 gm is not recommended if you have severe kidney problems or are undergoing hemodialysis. Inform your doctor if you have any Kidney problems before taking Fosforex Powder Sachet 8 gm.

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Children

Unsafe

Fosforex Powder Sachet 8 gm is not recommended for children below 12 years of age as the safety and effectiveness were not established.

Product Substitutes

Reference

  1. https://www.medicines.org.uk/emc/files/pil.7219.pdf
  2. https://www.drugs.com/mtm/fosfomycin.html

About Fosforex Powder Sachet 8 gm

Fosforex Powder Sachet 8 gm belongs to a class of drugs called 'antibiotics' used to treat or prevent bladder infections. Bladder infection is mostly caused by a bacterial infection within the bladder. Bacteria enter through the urethra and move into the bladder and cause infections.

Fosforex Powder Sachet 8 gm contains Fosfomycin, which inhibits the formation of the bacterial cell wall (a protective covering) necessary for survival. Thus, it kills bacteria. Also, Fosforex Powder Sachet 8 gm decreases the attachment of bacteria to cells lining the urinary bladder, thereby preventing bladder infection caused by E.coli bacteria. 

Take Fosforex Powder Sachet 8 gm as prescribed by your doctor. You are advised to take Fosforex Powder Sachet 8 gm for as long as your doctor has prescribed it for you based on your medical condition. In some cases, you may experience dizziness, headache, indigestion, vulvovaginitis (swelling or infection of vulva and vagina) as side effects of Fosforex Powder Sachet 8 gm. Most of these side effects do not require medical attention and gradually resolve over time. However, if the side effects persist or worsen, please consult your doctor.

Please tell your doctor if you are allergic to Fosforex Powder Sachet 8 gm, some sugars or other medicines. If you are pregnant or breastfeeding, please inform your doctor before taking Fosforex Powder Sachet 8 gm. Fosforex Powder Sachet 8 gm is not recommended for children below 12 years of age. Fosforex Powder Sachet 8 gm is contraindicated in patients with severe kidney problems and patients undergoing hemodialysis (a process of purifying blood by filtering out extra fluids and wastes when kidneys are not working). If you previously had diarrhoea caused by other antibiotics, inform your doctor before taking Fosforex Powder Sachet 8 gm.

Uses of Fosforex Powder Sachet 8 gm

Bladder infection

Medicinal Benefits Mweb

Medicinal Benefits

Fosforex Powder Sachet 8 gm includes Fosfomycin, a broad-spectrum antibiotic that kills gram-negative and gram-positive bacteria that grow aerobically (in the presence of oxygen) and anaerobically (in the absence of oxygen). Fosforex Powder Sachet 8 gm prevents the formation of the necessary bacterial cell wall (a protective covering) for survival. As a result, it kills bacteria. Additionally, Fosforex Powder Sachet 8 gm inhibits bacterial attachment to cells lining the urinary bladder, preventing bladder infection caused by E.coli bacteria.

Directions for Use

Fosforex Powder Sachet 8 gm should be taken on an empty stomach, preferably before bedtime after emptying the bladder or take it as advised by the doctor. Dissolve the contents of the sachet in a glass of water, stir to dissolve and drink immediately. Do not use hot water.

Side Effects of Fosforex Powder Sachet 8 gm

  • Dizziness
  • Headache
  • Indigestion
  • Vulvovaginitis (swelling or infection of vulva and vagina) 

Drug Warnings

Please tell your doctor if you are allergic to Fosforex Powder Sachet 8 gm, some sugars or other medicines. If you are pregnant or breastfeeding, please inform your doctor before taking Fosforex Powder Sachet 8 gm. Fosforex Powder Sachet 8 gm is not recommended for children below 12 years of age. Fosforex Powder Sachet 8 gm is contraindicated in patients with severe kidney problems and patients undergoing hemodialysis (a process of purifying blood by filtering out extra fluids and wastes when kidneys are not working). Contact your doctor immediately if you notice blood in the stools or have severe stomach pain with diarrhoea. If you previously had diarrhoea caused by other antibiotics, inform your doctor before taking Fosforex Powder Sachet 8 gm.

Drug-Drug Interactions

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FosfomycinCholera vaccines
Severe
FosfomycinBalsalazide
Severe

Drug-Drug Interactions

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FosfomycinCholera vaccines
Severe
How does the drug interact with Fosforex Powder Sachet 8 gm:
Co-administration of the Cholera vaccine with Fosforex Powder Sachet 8 gm may reduce the activity of the Cholera vaccine.

How to manage the interaction:
If you are currently being treated with Fosforex Powder Sachet 8 gm or have been treated within the last 14 days, inform your doctor before receiving cholera vaccine, live. Avoid receiving cholera vaccine, live until at least 14 days after you complete your antibiotic therapy to ensure adequate vaccine response.
FosfomycinBalsalazide
Severe
How does the drug interact with Fosforex Powder Sachet 8 gm:
Fosforex Powder Sachet 8 gm may reduce the effect of balsalazide when taken orally.

How to manage the interaction:
If you are supposed to take Fosforex Powder Sachet 8 gm and Balsalazide together, your doctor may adjust the dose or monitor you more frequently to use both medications safely.
FosfomycinBCG vaccine
Severe
How does the drug interact with Fosforex Powder Sachet 8 gm:
When BCG vaccine is used with Fosforex Powder Sachet 8 gm, its effectiveness may be reduced.

How to manage the interaction:
Taking Fosforex Powder Sachet 8 gm with the BCG vaccine can lead to an interaction, please consult a doctor before taking it.

Drug-Food Interactions

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No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Drug-Diseases Interactions

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FOSFOMYCIN-3GMVascular disorders of intestine
Severe
FOSFOMYCIN-3GMCare involving dialysis
Moderate

Drug-Diseases Interactions

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FOSFOMYCIN-3GMVascular disorders of intestine
Severe
How does the disease interact with Fosforex Powder Sachet 8 gm:
Nearly all antibacterial medications have been associated with Clostridioides difficile-associated diarrhoea (CDAD), formerly known as pseudomembranous colitis, which can range in severity from mild diarrhoea to deadly colitis. Lincomycin and clindamycin are typically to blame. Antibacterial treatment disrupts the colon's normal flora, promoting the growth of C difficile, whose toxins A and B contribute to the emergence of CDAD. When C difficile strains produce hypertoxins, morbidity and death rise; severe infections may not respond to antibiotic therapy and may necessitate colectomy. All individuals who get diarrhoea after taking an antibiotic must be evaluated for CDAD. Careful medical history is required because CDAD has been known to happen more than two months following antibiotic use. Broad-spectrum antibiotics and other medications with potent antibacterial properties should be used in therapy.

How to manage the interaction:
Fosforex Powder Sachet 8 gm should be used with caution in patients with a history of gastrointestinal disease, particularly colitis (inflammation of the large intestine), pseudomembranous colitis (generally characterized by severe, persistent diarrhoea and severe abdominal cramps, and sometimes associated with the passage of blood and mucus).
FOSFOMYCIN-3GMCare involving dialysis
Moderate
How does the disease interact with Fosforex Powder Sachet 8 gm:
Hemodialysis removes Fosforex Powder Sachet 8 gm, therefore it needs to be given after treatments.

How to manage the interaction:
As Fosforex Powder Sachet 8 gm is removed by hemodialysis, it should be administered after dialysis sessions.
FOSFOMYCIN-3GMUnspecified kidney failure
Mild
How does the disease interact with Fosforex Powder Sachet 8 gm:
Fosforex Powder Sachet 8 gm is excreted intact in the faeces (18%) and by the kidneys (38%) of healthy adults. In patients with impaired renal function, the excretion of Fosforex Powder Sachet 8 gm is greatly reduced, and the half-life is prolonged. In patients with renal insufficiency, side symptoms (such as diarrhoea, headache, nausea, and vaginitis) may last longer.

How to manage the interaction:
Fosforex Powder Sachet 8 gm should be used with caution in patients with kidney failure. However, if the side effects, such as headache, diarrhoea, nausea, and vaginitis (inflammation or infection of the vagina) worsen, please consult your doctor.

Drug-Drug Interactions Checker List

  • METOCLOPRAMIDE

Habit Forming

No

Special Advise

  • Please consult your doctor if the symptoms do not improve after 3 days of treatment with Fosforex Powder Sachet 8 gm.

Diet & Lifestyle Advise

  • Avoid alcohol, soda, coffee, tea, and artificial sweeteners, as they may cause bladder irritation.
  • Drink plenty of water or other fluids daily while taking Fosforex Powder Sachet 8 gm to flush out the bacteria.
  • Avoid spicy foods and citrus fruits (lemons, oranges, grapefruits) as they may irritate the bladder.
  • Eat foods antioxidant-rich foods such as blueberries, cranberries, tomatoes, spinach, broccoli, and plain greek yoghurt.
  • Take probiotics after completing the entire course of Fosforex Powder Sachet 8 gm to restore some good bacteria in the intestines that may have been killed. Taking probiotics after antibiotic treatment can reduce the risk of antibiotic-associated diarrhoea. Certain fermented foods like cheese, yoghurt, kombucha, sauerkraut and kimchi can help restore the intestine's good bacteria. 
  • Include fibre-rich foods, as they can be easily digested by your gut bacteria, which helps stimulate their growth. Thus, fibre-rich foods may help restore healthy gut bacteria after a course of antibiotics. Whole grains such as brown rice and whole-grain bread should be included in your diet. 

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