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Metronidazole

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Starts $0.91 $0.65 per tablet
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Product Info
How to Use
Ingredients
Customer Reviews
Q&A
Product Info
What is Metronidazole?

Metronidazole is an antibiotic and antiprotozoal medication used to treat various conditions such as inflammatory bowel disease, nonspecific diarrheal disorders, infections caused by Giardia (a cause of diarrhea), and periodontal disease. Metronidazole requires a prescription from your veterinarian, and is sold by the tablet.

For:

Cats and Dogs

Benefits:
  • Treats a wide array of ailments
  • An antibiotic that effectively treats inflammatory bowel disease
  • Remedies certain diarrheal disorders
  • Treats infections caused by Giardia (intestinal parasite)
  • Also treats periodontal disease
How it Works:

Metronidazole is especially effective against anaerobic infections - bacteria that can live without oxygen. It's able to penetrate bone, making it especially useful in oral/dental infections. In addition, it has anti-inflammatory properties in the large intestine and is an effective anti-diarrhea medication for certain diseases.

Cautions:

Antibiotic medications can cause diarrhea, which may be the sign of a new infection. If your pet has diarrhea that is watery or has blood in it, contact your veterinarian. Do not use any medication to stop the diarrhea unless instructed by your veterinarian.

Brand Name:

Flagyl (Searle)

Generic Name:

Metronidazole

What is the most important information I should know about Metronidazole:

Metronidazole is not FDA-approved for use in veterinary medicine; however, it is a commonly accepted practice for veterinarians to use this medication in dogs and cats. The usual dose of metronidazole in dogs is 5mg-20mg/kg of your pets body weight, by mouth, in divided doses - depending on condition of the individual pet being treated - please follow veterinarian instructions. The usual dose in cats is 3mg-20mg/kg of your pets body weight, by mouth, in divided doses - depending on condition of the individual pet being treated - please follow veterinarian instructions. The actual dose and duration of treatment depends on the specific condition being treated. Metronidazole should be given to your pet for the entire length of time prescribed by your veterinarian.

What is Metronidazole:

Metronidazole is an antibiotic used to treat numerous ailments, including Giardia infections, inflammatory bowel disease, and infections in the mouth. Metronidazole may be used for other purposes than those listed in this guide.

What should I discuss with my veterinarian before giving Metronidazole to my pet:

Do not give this medication if your pet is allergic to metronidazole, or if your pet is pregnant. Tell your veterinarian if your pet is allergic to any medications, or if your pet has any of the following: liver disease; anemia; epilepsy; or nerve disorders. Tell your veterinarian if your pet is pregnant or lactating, or if you plan to breed your pet.

How should this medication be given:

Give metronidazole exactly as it is prescribed by your veterinarian. Do not give in larger amounts or use it for longer than recommended by your veterinarian. Follow the instructions on the prescription label. If you do not understand these directions speak to your pharmacist or veterinarian. Your veterinarian may want to perform blood tests on a regular basis to make sure the medication is not causing harmful effects. Store metronidazole at room temperature away from moisture and heat.

What happens if I miss giving a dose:

Give the missed dose as soon as you remember. However, if it is almost time for the next regularly scheduled dose, skip the missed dose and give the next one as directed. Do not give a double dose of the medication.

What happens if I overdose the pet:

Seek emergency veterinary medical attention if you think you have given your pet too much of this medication. Symptoms of overdose may include nausea, vomiting, dizziness, loss of balance or coordination, or seizures.

What should I avoid while giving Metronidazole:

Antibiotic medications can cause diarrhea, which may be the sign of a new infection. If your pet has diarrhea that is watery or has blood in it, call your veterinarian. Do not use any medication to stop the diarrhea unless your veterinarian tells you to do so.

What are the possible side effects of Metronidazole:

Seek emergency veterinary medical attention if your pet experiences any signs of an allergic reaction (hives; difficulty breathing; or swelling of the face, lips, tongue, or throat). Call your veterinarian at once if any of the following serious side effects occur: seizures; fever; chills; sores inside the mouth or on the lips; or watery or bloody diarrhea. Keep giving metronidazole and talk to your veterinarian if your pet develops any of these less serious side effects: nausea; diarrhea; dizziness; loss of balance; dry mouth; cough; sneezing; runny nose; or swollen tongue. Talk to your veterinarian about any side effect that seems unusual or that is especially bothersome to your pet.

What other medications will affect Metronidazole:

Tell your veterinarian if your pet is using any of the following medications: cimetidine (Tagamet), phenytoin (Dilantin), Phenobarbital, or warfarin (Coumadin). There may be other drugs not listed that can affect metronidazole. Tell your veterinarian about all prescription and non-prescription (OTC) medications, including vitamins, minerals, herbal products, and drugs prescribed by other veterinarians. Do not start using a new medication without telling your veterinarian.

Where can I get more information:

Your pharmacist has information about metronidazole written for health professionals that you may read.

Call your veterinarian for medical advice about any side effects to your pet. You may report side effects to the FDA at 1-800-FDA-1088.

How to Use
Directions:
  • Metronidazole is a prescription antibiotic used in dogs and cats to treat various conditions such as inflammatory bowel disease, nonspecific diarrhea disorders, infections caused by Giardia, and periodontal disease.
  • Metronidazole is not FDA-approved for use in veterinary medicine; however, it is a commonly accepted practice for veterinarians to prescribe this medication for dogs and cats.
  • The actual dose and duration of treatment with metronidazole depends on the specific condition being treated.
Tip:

Metronidazole should be given to your pet for the entire length of time prescribed by your veterinarian. Do not give in larger amounts or use it for longer than recommended by your veterinarian.

Dosage:
Dogs:
Weight
Dosage
All weights
The usual dose is 5mg-20mg/kg of your pets body weight, by mouth, in divided doses - depending on condition of the individual pet being treated - please follow veterinarian instructions.
Cats:
Weight
Dosage
All weights
The usual dose is 3mg-20mg/kg of your pets body weight, by mouth, in divided doses - depending on condition of the individual pet being treated - please follow veterinarian instructions.
Horses:
Do not use!
Storage:

Store metronidazole at room temperature, away from moisture and heat.

Ingredients
Metronidazole 250mg:
Ingredients
Strength
Metronidazole
250 mg
Metronidazole 500mg:
Ingredients
Strength
Metronidazole
500 mg
Customer Reviews
Metronidazole is rated 4.6 out of 5 by 48.
Rated 5 out of 5 by from Good for preventing gum disease My 13+ golden retriever had to have some teeth removed a year ago. The mess have held off having to put her through another surgery.
Date published: 2016-11-01
Rated 5 out of 5 by from Works great for chronic colitis My 8 year old Keeshond dog suffers from chronic colitis and the Metronidazole works great to control the symptoms but of course it is not a cure. I give her 250MG twice a day for 3 days and she is back to "normal". Also, I might add that the service from 800petmeds is fantastic. I like the fact that they take care of the faxing of the prescription request and approval process.
Date published: 2016-10-31
Rated 5 out of 5 by from Works great I have used in this product in a smaller dosage periodically with my cat. When my puppy came down with a case of , as I refer to it as "puppy butt" it helped clear the issue until we found the root cause, which had been an allergy to a treat.
Date published: 2016-07-23
Rated 5 out of 5 by from This product is very effective My dog Sonny has Inflammatory Bowel Disease. He has had it for some time now....Periodically he has IBD flare-ups. When it occurs I give him Metronidazole( 500 mg tablet ). Usually I give him one tablet for 3 consecutive days and that remedies the flare-up and puts him back-on-track. This med regimen has never failed me....Sonny is a Cocker Spaniel....
Date published: 2015-07-17
Rated 5 out of 5 by from Great Product About two years ago our vet prescribed Metronidazole for our Rottweiler to control chronic diarrhea and it worked like a charm. Our Collie has inflamed gums and we considered doing a dental procedure, but she is 13 years old. Even though she passed the blood tests to have the dental we declined to do it due to her age. We asked the Vet about Metronidazole and he thought it was a great idea. She has been taking it for about three months now and her gum inflammation has improved dramatically. While I don't think of Dakota as a hospice dog just yet, we are doing everything we can to make her final years as pleasant as possible and without putting her through any unnecessary trauma. Metronidazole is an important part of her overall program.
Date published: 2015-07-12
Rated 5 out of 5 by from Excellent Results This medication on a regular basis is critical to our dog's ability to maintain a healthy digestive system free of uncontrolled diarrhea. We have to use this medication daily for lifetime as well as Purina EN prescription dog food to fend off digestive problems. If the dog gets into something she shouldn't we just double up on the medication dosage for a couple of days to get her system back to normal. So this medication and the special dog food are together critical to sustaining her life since the condition (IBS) is chronic.
Date published: 2015-06-03
Rated 5 out of 5 by from Great My dog take Atopica for skin problems and she has been on this drug for about 2 years and I finally figured out after researching that this drug can cause bowel disorders. So I give my dog (beagle) 1/2 tab morning and night and her bowels are a bit firmer.
Date published: 2014-12-01
Rated 5 out of 5 by from A miracle! My 12yr old chocolate lab was beginning to have chronic diarrhea. We thought she had a bug and put her on it for a week. It worked for that week and soon as she was off, it came back. So she is on a maintenance dose of one in the morning and half at night! What a difference for the better! And she seems happy and always has an appetite!
Date published: 2014-12-01
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Q&A

What are some of the side effects 

Asked by: Ozzie
This medication is normally well tolerated. Some potential side effects though include: nausea, dizziness, diarrhea, dry mouth, and cough...diarrhea being the most common. As always, contact your Vet right away if your pet develops serious reaction or bad diarrhea/vomiting.
Answered by: Trey W
Date published: 2017-03-12

Do I need a script from the vet? Also is it something I can give my 14 pound dog if she gets diarrhea again without speaking to the vet. She is on it now but the meds and the vet visit we're almost st 300! I'd like to avoid that if there is a next time.

Asked by: Melanie
Hello Melanie, This medication does require a prescription from the vet and is not recommended for use longer than what was recommended. Pharmacy Intern
Answered by: Ben B
Date published: 2017-02-21

With a 250 pill how much do you give a kitten that is 3 lb

Asked by: Suzieq
The dose will be determined by your veterinarian.
Answered by: S Duesler PharmD MBA
Date published: 2017-01-25

Is this a good antibiotic for parvo virus in a 8 month old dog?

Asked by: bmcinvale
Your doctor should determine the appropriate treatment regimen for your pet's condition.
Answered by: S Duesler PharmD MBA
Date published: 2017-01-25

Do you ship internationally ?

Asked by: Cornelia
We do ship internationally. Your pets Veterinarian can contact our Pharmacy to call in a prescription or you can send us an original written prescription. Please contact our customer service team if you have any further questions.
Answered by: Pharmacy Manager
Date published: 2016-12-20

What is the average mark up from the Vet?

Asked by: Rosie
Prices vary among clinics. Please contact your vet for their pricing.
Answered by: S Duesler PharmD MBA
Date published: 2017-02-12

Can this be used to help my dog with infected flea bites?

Asked by: Kelsey
Metronidazole is an antibiotic and antiprotozoal medication used to treat various conditions such as inflammatory bowel disease, nonspecific diarrheal disorders, infections caused by Giardia (a cause of diarrhea), and periodontal disease. Your veterinarian will determine which antibiotic is appropriate to treat your pet's infected flea bites.
Answered by: Lisa M
Date published: 2016-11-17

Other medications with Metronidazole

Can taking prednisone with Metronidazole cause any complications?
Asked by: Anonymous
No, there are no interactions between Prednisone and Metronidazole.
Answered by: Christine
Date published: 2016-10-24
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