Flagyl how long until it works

These include: Warfarin or other medicines used to prevent blood clots; Antabuse disulfiram , a medicine used to treat chronic alcohol dependence; Medications containing alcohol ethanol , e.

If you do not understand the instructions on the box ask your doctor or pharmacist for help. Your doctor will decide the right dose for you. How to take Flagyl tablets Swallow Flagyl tablets whole with a glass of water, preferably during or after a meal. Do not chew the tablets. This may help reduce the possibility of stomach upset. How to take Flagyl S suspension Flagyl S suspension should be taken at least one hour before a meal or food. How to use Flagyl suppositories Your doctor will tell you how many suppositories you need to use each day.

If you are not sure how to use a suppository, ask your doctor or pharmacist. Do not take a double dose to make up for the dose you missed. Do not give Flagyl to anyone else, even if they have the same condition as you.

Do not use Flagyl to treat any other medical complaints unless your doctor tells you to. Things to be careful of Be careful driving or operating machinery until you know how Flagyl affects you. Schedule of Flagyl Flagyl is a Schedule 4 prescription only medicine. Ask your doctor or pharmacist to answer any questions you may have.

Do not be alarmed by this list of possible side effects. You may not experience any of them. For further information talk to your doctor. October February Medical Information. Current Competitions. Of Interest This Week. Stop taking the medicine and call your doctor right away if you have neurologic side effects more likely to occur while taking metronidazole long term :. Metronidazole can cause life-threatening liver problems in people with Cockayne syndrome.

If you have this condition, stop taking metronidazole and contact your doctor if you have signs of liver failure --nausea, stomach pain upper right side , dark urine, clay-colored stools, or jaundice yellowing of the skin or eyes. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. While taking metronidazole and for 3 days after your last dose: Do not drink alcohol or consume foods, medicines, or other products that contain alcohol or propylene glycol.

You may have unpleasant effects such as headaches, nausea, vomiting, stomach cramps, and warmth or tingling under your skin. Use Metronidazole Flagyl exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Follow all directions on your prescription label and read all medication guides or instruction sheets.

Use the medicine exactly as directed. Metronidazole injection is given as an infusion into a vein. A healthcare provider will give you this injection if you are unable to take the medicine by mouth. Shake the oral suspension liquid. Measure a dose with the supplied measuring device not a kitchen spoon. If you are treating a vaginal infection, your sexual partner may also need to take metronidazole so you don't become reinfected.

Metronidazole is usually given for up to 10 days in a row. You may need to repeat this dosage several weeks later. Keep using this medicine even if your symptoms quickly improve. Sex Transm Dis. Role of antibiotics for treatment of inflammatory bowel disease. World J Gastroenterol.

Therapeutic uses of metronidazole and its side effects: an update. Eur Rev Med Pharmacol Sci. Treatment of infections caused by metronidazole-resistant Trichomonas vaginalis. Clin Microbiol Rev. The use of metronidazole during pregnancy: a review of evidence.

Curr Drug Saf. National Library of Medicine. Updated August 24, Updated September 29, Metronidazole-induced cerebellar toxicity. Neurol Int. Published Apr 1. Am J Forensic Med Pathol. Possible nephrotoxic interaction of lithium and metronidazole. The effects of milk thistle Silybum marianum on human cytochrome P activity. Drug Metab Dispos. Your Privacy Rights. To change or withdraw your consent choices for VerywellHealth. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page.

These choices will be signaled globally to our partners and will not affect browsing data. We and our partners process data to: Actively scan device characteristics for identification. I Accept Show Purposes. Table of Contents View All. Table of Contents. Precautions and Contraindications. Side Effects. Using this medicine with any of the following medicines is not recommended.

Your doctor may decide not to treat you with this medication or change some of the other medicines you take. Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Using this medicine with any of the following is not recommended. Your doctor may decide not to treat you with this medication, change some of the other medicines you take, or give you special instructions about the use of food, alcohol, or tobacco.

The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:. Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. The capsules can be taken with or without food.

If the medicine upsets your stomach, it is best to take it with a meal or snack. To help clear up your infection completely, keep using this medicine for the full time of treatment, even if you begin to feel better after a few days. If you stop using this medicine too soon, your infection may return. This medicine works best when there is a constant amount in the blood.

To help keep the amount constant, do not miss any doses. Also, it is best to take the doses at evenly spaced times during the day. If you need help planning the best times to take your medicine, check with your doctor. The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.