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Fosirol 3gm Sachet Of 8gm Powder
Fosirol 3gm Sachet Of 8gm Powder

Fosirol 3gm Sachet Of 8gm Powder

8g Oral Powder in Sachet
MRP 466.51
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Fosfomycin(3.0 Gm)
Therapeutic classification
Urinary Antiseptic

Medical Description

Fosirol sachet contains Fosfomycin, an antibiotic used to treat urinary tract infections in women. Infection can be caused due to various susceptible strains of bacteria. Fosirol sachet works by inhibiting the growth of the bacterial cell wall thus leading to its death. It should not be used in children below 12 years of age. If you experience side effects like headache, dizziness, diarrhoea, indigestion after taking Fosirol Sachet. If these symptoms do not resolve or get worsened, reach out to the nearest hospital or clinic immediately.
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Uses of Fosirol 3gm Sachet Of 8gm Powder

Fosirol sachet is used for the treatment of urinary tract infections (acute cystitis) in women due to susceptible strains of E.Coli and Entreococcus faecalis.

Contraindications of Fosirol 3gm Sachet Of 8gm Powder

If you are allergic to Fosfomycin or any other component of Fosirol sachet

Side effects of Fosirol 3gm Sachet Of 8gm Powder

  • Headache
  • Dizziness
  • Indigestion
  • Diarrhoea
  • Nausea
  • Stomach pain
  • Inflammation of vagina

Precautions and Warnings of Fosirol 3gm Sachet Of 8gm Powder


Can I take Fosirol sachet during pregnancy?
Fosirol sachet can cross the placenta. However, there is limited information about the effect of Fosirol Sachet on pregnancy. The use of Fosirol sachet is not recommended during pregnancy as it may cause harm to the unborn baby unless prescribed by the doctor after considering it to be safe and necessary during the pregnancy.

Breast Feeding

Can I take Fosirol sachet while breastfeeding?
Fosirol sachet passes into the breast milk and it may cause harm to the newborn baby. Hence, you should not consume this medicine if you are breastfeeding, unless considered safe and necessary by your doctor.


Can I drive if I have consumed Fosirol sachet?
The effect of Fosirol sachet on the ability to drive is not known. However, if you experience headache, dizziness after consuming this medicine, avoid driving.


Can I consume alcohol with Fosirol sachet?
The effect of alcohol on Fosirol sachet is not known. Talk to your doctor if you consume it too often.

Other General Warnings

Talk to your doctor if
  • You experience any allergic reactions after taking Fosirol sachet.
  • You experience severe diarrhoea.
  • Your symptoms do not improve.
  • Fosirol Sachet should not be used in children below 12 years of age.

Mode of Action of Fosirol 3gm Sachet Of 8gm Powder

How Does It Work?

Fosirol works by inhibiting the cell wall synthesis of bacteria, which results in killing the bacteria responsible for infection of the urinary tract.

Directions for Use of Fosirol 3gm Sachet Of 8gm Powder

  • Fosirol Powder should be taken on an empty stomach either 1 hour before a meal or at least 2 hours after a meal before bedtime and after emptying the urinary bladder.
  • Pour the entire contents of a single-dose sachet of Fosirol sachet into a glass of water and stir to dissolve. Do not use hot water. Fosirol sachet should be taken immediately after dissolving in water.
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Interactions of Fosirol 3gm Sachet Of 8gm Powder

Interactions with other medicines

  • Concomitant use of metoclopramide (acidity) decreases the effect of Fosirol sachet.
  • Discuss with your doctor about any other medicine, herbal preparation and supplements you are taking currently to avoid any possible drug interactions.

Interactions with food items

Food delays the effect of Fosirol sachet.

Storage and disposal of Fosirol 3gm Sachet Of 8gm Powder

  • Store at a temperature below 25°C in a cool dry place.
  • Keep out of the reach of children and pets.
  • The reconstituted solution should be used immediately.

Dosage of Fosirol 3gm Sachet Of 8gm Powder


Excess of Fosirol sachet may cause hearing loss, impaired hearing, metallic taste and decline in taste. If you experience any of the symptoms or think you have taken too much of this medicine, contact your doctor immediately or visit the nearest hospital.
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Missed a Dose

If you have missed taking any dose of Fosirol sachet then take it as soon as you remember. If it's already time for the next dose then skip the missed dose and follow the regular dosing schedule.

Content Details


Dr. Arpit Verma

MBBS, MD (Pharmacology)


Dr. Ritu Budania

MBBS, MD (Pharmacology)

Frequently Asked Questions (FAQs)


Q: Can I stop taking Fosirol sachet when I feel better?

A: No, do not stop taking Fosirol sachet. Complete the full course of treatment even if you start feeling better, else you might experience treatment failure and the increased risk of recurrence of the infection.

Q: Can the use of Fosirol sachet cause diarrhea?

  • Yes, the use of Fosirol sachet can cause diarrhoea along with the desired effect, but not everyone gets them.
  • It is an antibiotic that kills both good and bad bacteria, when good bacteria present in the intestine gets killed it can cause diarrhoea. If you are experiencing severe diarrhoea, talk to your doctor about it.
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Q: Is Fosirol sachet used to relieve pain?

A: No, Fosirol sachet is not a pain killer. It only treats bacterial infections and provides relief from the symptoms of infection.

Q: How long does Fosirol sachet take to work?

A: Fosirol sachet starts showing activity soon after you take it. However, it may take some days to kill all the harmful bacteria.

Q: Should I take Fosirol sachet with food?

A: Fosirol sachet can be taken with or without food. It gives better results if you take it on an empty stomach since food delays its effect. It is recommended to take it either 1 hour before meals or 2 hours after meals.

Q: Can Fosirol sachet cause yeast infection?

A: Yes, Fosirol sachet can cause yeast infection of the vagina also known as a fungal infection in some people. If you experience itching, a burning sensation near the vaginal area, consult your doctor immediately.
Last Updated on: 20 Mar 2021 | 09:44 AM (IST)
The information provided herein is accurate, updated and complete as per the best practices of the Company. Please note that this information should not be treated as a replacement for physical medical consultation or advice. We do not guarantee the accuracy and the completeness of the information so provided. The absence of any information and/or warning to any drug shall not be considered and assumed as an implied assurance of the Company. We do not take any responsibility for the consequences arising out of the aforementioned information and strongly recommend you for a physical consultation in case of any queries or doubts. Please click here for detailed T&C.
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