What is Firvanq: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Firvanq overview

BRAND NAMES:

  • Firvanq, Firvanq Novaplus, Vancocin, Vancocin

Generic Names:

  • Vancomycin Hcl

Uses:

  • Treats infections. This medicine is an antibiotic.

Therapeutic Classes:

  • Antibiotic

Forms:

  • Capsule, Liquid

How it’s taken:

  • By mouth

What is Firvanq used for?

What form(s) does Firvanq come in

  • Capsule

  • Liquid

What are common Firvanq doses?

  • Bottle 150ML of 25MG/ML

  • Bottle 300ML of 25MG/ML

  • Bottle 150ML of 50MG/ML

  • Bottle 300ML of 50MG/ML

Common Firvanq prescriptions

  • Firvanq
    150ml of 25mg/ml bottle

  • Firvanq
    150ml of 50mg/ml bottle

  • Firvanq
    300ml of 25mg/ml bottle

  • Firvanq
    300ml of 50mg/ml bottle

How to take Firvanq

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the oral liquid in a refrigerator for up to 14 days. Do not freeze. Throw away any unused medicine after 14 days, or if the liquid becomes cloudy or has particles in it.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Swallow the capsule whole. Do not crush, open, or chew it.

  • Shake the oral liquid well before each use. Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

  • You may mix the oral liquid dose with 2 tablespoons of water. You may add a flavoring syrup to improve the taste of the medicine.

  • Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.

  • Store the capsules at room temperature, away from heat, moisture, and direct light.

  • Shake the oral liquid well before each use. Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

  • Store the oral liquid in a refrigerator for up to 14 days. Do not freeze. Throw away any unused medicine after 14 days, or if the liquid becomes cloudy or has particles in it.

  • Store the capsules at room temperature, away from heat, moisture, and direct light.

  • Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.

  • Swallow the capsule whole. Do not crush, open, or chew it.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • You may mix the oral liquid dose with 2 tablespoons of water. You may add a flavoring syrup to improve the taste of the medicine.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

What to do if you miss a dose of Firvanq

  • Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the oral liquid in a refrigerator for up to 14 days. Do not freeze. After 14 days throw away any medicine you do not use.

  • Oral routeAsk your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Firvanq contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to vancomycin.

Firvanq warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, hearing problems, or other bowel problems.

  • This medicine may cause the following problems:Kidney problemsHearing problems

  • Use this medicine only to treat the infection your doctor has prescribed it for. Do not use it for any infection or condition that has not been checked by your doctor. This medicine will not treat the flu or the common cold.

  • Call your doctor if your symptoms do not improve or if they get worse.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Swelling of your feet or lower legs

Firvanq interactions

  • Some medicines can affect how vancomycin works. Tell your doctor if you are using an aminoglycoside antibiotic (including amikacin, gentamicin, or streptomycin).

  • Check with your doctor right away if you have the following symptoms during or after treatment with this medicine: bloody urine, change in how much or how often you urinate, nausea, vomiting, swelling, or weakness. These could be symptoms of kidney or electrolyte problems.

  • Check with your doctor right away if you have changes in hearing, dizziness or ringing in the ears, or a feeling of movement or spinning. These may be symptoms of damage to your ears.

  • Call your doctor if your symptoms do not improve or if they get worse.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Use this medicine only to treat the infection your doctor has prescribed it for. Do not use this medicine for any infection or condition that has not been checked by a doctor. This medicine will not treat the flu or the common cold.

Firvanq side effects

Serious Side Effects

  • Fever

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Blistering, peeling, red skin rash

  • Bloody urine, change in how much or how often you urinate. lower back or side pain

  • Rapid weight gain, swelling of your feet or lower legs

  • Dry mouth, increased thirst, muscle cramps, unusual tiredness or weakness

  • Loss of hearing, ringing or buzzing in the ears, dizziness

Less Serious Side Effects

  • Headache

  • Nausea, vomiting, stomach pain, gas

  • Headache

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