pet meds

Metronidazole Treatment for dogs

Metronidazole for dogs

An antibiotic in nature, the metronidazole is very much useful for the dog’s treatment for stomach and the gastro intestinal functions.


It is an antibiotic especially used to treat the bacterial infections and also an antiprotozoal effective to treat one cell organisms which are patristic.


There are various online drug retailers who have a wide stock of the Metronidazole with competitive prices. However it is advisable to buy from local drug stores with prescriptions from licensed vet as these medicines should not be purchased without vets written instructions.

Dosage of Metronidazole

Metronidazole dosage depends on the weight of the dog. If the dogs suffering from Giardia , the basic dosage runs from 7 to 14mg/pound of the dog weight which needs to be continued for 5 to 7 days without missing a dose. If the dog is suffering from any inflammatory bowel disease the dose will be much lesser with only 5 to 7 mg/pound. This however should be given for twice or thrice daily. If there is anaerobic infection then the amount of dosage is 11-23mg/pound repeating it four times in a day. However there are various conditions on which the dosage is depended. The reason why a vet consulted is that, he can understand the medical history and can advise better on the dosage based on dog’s condition.

Overdose of Metronidazole

Overdose of Metronidazole may result with signs of drooling, strange eye movements, loss of vision, trembling and seizures, lack of appetite and co ordination problem.


It is very important to discuss with the vet regarding the previous medical history of the dog and a thorough examination is also mandatory before prescribing the drug. The liver functions should be tested and verified at regular interval as dogs with liver disease should not be suggested with this medicine.


  • It also helps in keeping the secondary infections within control.
  • It is mainly used by many vets around the world
  • It is cost effective and purely a safe drug.

Side effects of Metronidazole in dogs

The side effects for Metronidazole may vary from severe effects to mild ones. The mild effects may be in the form of bitter taste in the mouth which can be avoided a little if the medicine is mixed with food.
  • There can be less appetite and stomach disturbances with excessive salivation, reflux, gagging, and nausea, mouth pawing, or vomiting.
  • Severe side effects like depression, weakness, diarrhoea, liver problems, low white blood cells and urinary problems are also seen.
  • There can be signs of toxic too which becomes visible after a week or two after starting the treatment. These conditions however get cured in most cases after the medication is stopped.
  • There can be neurological side effects, such as dilated pupils, nystagmus (uncontrolled eye movement), ataxia (lack of coordination), tremors, head-tilt, stiffness, disorientation and seizures.
  • There can be more serious side effects if the dose is continued for a long time resulting into high end brain damage too.