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. If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses. Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
Some infections can be treated with a single dose, while others may need a 2 week course. Children's doses are lower and depend on the age or weight of your child. Follow the instructions from your doctor or pharmacist. Metronidazole tablets should be swallowed whole with a drink of water, after you've eaten some food. Metronidazole liquid does not need to be taken after food.
This medicine comes with a plastic syringe or spoon to help you measure out the right dose. If you do not have one, ask your pharmacist for one. Do not use a kitchen teaspoon as it will not give the right amount. Your doctor may prescribe metronidazole suppositories if you have difficulty swallowing medicines.
Metronidazole suppositories are usually used 3 times a day. Follow the instructions that come in the packaging with your medicine. If you need to take several doses of metronidazole a day, try to space them evenly.
For example, if you take your medicine 3 times a day, this could be first thing in the morning, mid-afternoon, and at bedtime.
It's very important to keep taking metronidazole for as long as your doctor has prescribed it. Carry on taking this medicine until you have finished the course, even if you feel better. If you stop your treatment early, the infection could come back. If you forget to take a dose, take it as soon as you remember, unless it's nearly time for your next dose. In this case, just leave out the missed dose and take your next dose as normal. Never take 2 doses at the same time.
Never take an extra dose to make up for a forgotten one. If you often forget doses, it may help to set an alarm to remind you. You could also ask your pharmacist for advice on other ways to remember your medicines. Accidentally taking an extra dose of metronidazole is unlikely to harm you or your child.
Speak to your pharmacist or doctor if you're worried or you take more than 1 extra dose. When metronidazole cream or gel is prescribed for rosacea, you'll normally use it twice a day for about 2 months.
Treatment can sometimes last longer. If you're using the cream or gel for a skin infection, or infected ulcers or wounds, it's usual to put it on once or twice a day. Follow your doctor or pharmacist's instructions, and continue treatment until your infection has healed. Put a thin layer of cream or gel onto the area you're treating and rub it in very gently.
Try to avoid getting it into your eyes, as it can sting. If you do get some in your eye, wash it out immediately with cold water. It's very important to keep using metronidazole cream or gel for as long as your doctor has prescribed it.
Carry on using this medicine until you have finished the course, even if you feel better. If you forget to use metronidazole cream or gel, put it on as soon as you remember, unless it's nearly time for your next dose. Do not use it more than twice a day unless your doctor tells you to. Then continue to use the cream or gel at the usual time. If you put on too much cream or gel - or if you get some in your mouth - it's unlikely to harm you. Talk to your pharmacist or doctor if you're worried, or if you or your child accidentally swallow a lot of it.
For treating bacterial vaginosis, you'll use an applicator to put the metronidazole gel into your vagina. The usual dose is 1 applicator full, every night for 5 nights.
Metronidazole is well absorbed orally and the intravenous route is normally reserved for severe infections. Metronidazole by the rectal route is an effective alternative to the intravenous route when oral administration is not possible. Forms available from special-order manufacturers include: oral suspension, oral solution, suppository, cream, gel. Other drugs classified as nitroimidazole derivatives. Show all parts of this monograph Drug action Indications and dose Unlicensed use Cautions Interactions Side-effects Pregnancy Breast feeding Hepatic impairment Monitoring requirements Directions for administration Prescribing and dispensing information Patient and carer advice Profession specific information Medicinal forms Drug action Metronidazole is an antimicrobial drug with high activity against anaerobic bacteria and protozoa.
Anaerobic infections By mouth For Child 1 month 7. For Child 2 months—11 years 7. By mouth For Child 1 month 7. For Child 2 months—17 years 7. By intravenous infusion For Adult consult product literature. With vaginal use in children Metronidazole vaginal gel not licensed for use in children under 18 years. Metronidazole doses in the BNF may differ from those in product literature. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.
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