Also tell them if, at any time, you start to feel worse. Metronidazole does not stop any type of contraception from working, including the combined pill and emergency contraception. However, if metronidazole makes you vomit or have severe diarrhoea, your contraceptive pills may not protect you from pregnancy.
If this happens, follow the instructions in the leaflet that comes with your contraceptive pills. Read more about what to do if you're on the pill and you're being sick or have diarrhoea. Some people get a fungal infection called thrush after taking a course of antibiotics like metronidazole. This is more common if you're using the vaginal gel. It happens because antibiotics kill the normal harmless bacteria that help to protect you against thrush. There's no clear evidence to suggest that taking metronidazole will reduce fertility in either men or women.
However, speak to a pharmacist or doctor before taking it if you're trying to get pregnant. However, very rarely, some people suffer from drowsiness or blurred vision. Do not drive or ride a bike until you stop feeling drowsy and your vision is clear. Do not drink alcohol while you're taking metronidazole, including for 2 days afterwards. This gives the medicine time to leave your body.
This is important because metronidazole can react with alcohol to cause a number of side effects. These include feeling and being sick, stomach pain, hot flushes, a pounding heartbeat palpitations and a headache. You must not have any alcohol in either your food or drink while taking metronidazole - and for 2 days afterwards.
Page last reviewed: 6 December Next review due: 6 December Metronidazole On this page About metronidazole Key facts Who can and cannot take metronidazole Tablets, liquid or suppositories Cream or gel Vaginal gel Side effects How to cope with side effects Pregnancy and breastfeeding Cautions with other medicines Common questions. About metronidazole Metronidazole is an antibiotic. Metronidazole is only available on prescription. Help us improve our website Can you answer a quick question about your visit today?
The most common side effects of metronidazole tablets, liquid, suppositories or vaginal gel are feeling or being sick, diarrhoea, and a slight metallic taste in your mouth. Do not drink alcohol while taking a course of metronidazole tablets, liquid, suppositories or vaginal gel, or for 2 days after finishing treatment.
Alcohol can cause side effects such as feeling and being sick, stomach pain, hot flushes, a pounding heartbeat palpitations and a headache. For most infections, you'll start to feel better in a few days but for some it may take longer.
When treating rosacea, you may only notice a difference after several weeks. Metronidazole tablets or suppositories are called by the brand name Flagyl. Metronidazole cream is called by the brand names Rosiced or Rozex.
To make sure the tablets, liquid or suppositories are safe for you, tell your doctor if you: have had an allergic reaction to metronidazole or any other medicines in the past are pregnant or breastfeeding have liver problems are having dialysis feel you will not be able to stop drinking alcohol while using metronidazole To make sure the external cream or gel is safe for you, tell your doctor if you: have had an allergic reaction to metronidazole or any other medicines including any creams or ointments in the past are pregnant or breastfeeding To make sure the vaginal gel is safe for you, tell your doctor if you: have had an allergic reaction to metronidazole or any other medicines in the past are pregnant or breastfeeding have liver problems feel you will not be able to stop drinking alcohol while using metronidazole think you may have vaginal thrush.
How long should I take it for? Important Carry on taking this medicine until you have finished the course, even if you feel better. What if I forget to take it? What if I take too much? How to put it on Put a thin layer of cream or gel onto the area you're treating and rub it in very gently. How long should I use it for? Important Carry on using this medicine until you have finished the course, even if you feel better.
What if I forget to use it? What if I use too much? How to use it Follow the instructions that come in the packaging along with your medicine. Metronidazole works by killing or stopping the growth of the bugs. Like all antibiotics, metronidazole is not effective against infections caused by viruses. In New Zealand, metronidazole is available as tablets, liquid and suppositories and can be given as an injection in the hospital.
Take metronidazole at the same times each day. Space your metronidazole doses evenly through out the day. For example, if you are taking it 3 times a day, take your doses first thing in the morning, early afternoon and at bedtime. Do not drink alcohol while you are taking metronidazole and for at least one day 24 hours after finishing treatment.
People with CNS central nervous system disorders should use caution when taking this medication. Watch for signs of ataxia including slurred speech, difficulty walking, falling, or other coordination issues.
A severe adverse effect of metronidazole includes low blood cell counts. For this reason, patients with blood cell abnormalities may need to be monitored closely during treatment with metronidazole.
Healthcare providers may want to perform a simple set of lab work before starting treatment. People with Cockayne syndrome, a rare disease causing premature aging, an abnormally small head, and growth and learning delays, should not take metronidazole. The drug may cause an increased risk for liver failure. However, if healthcare providers believe metronidazole is necessary, they may want to check liver function before and after treatment.
Watch for the following signs of liver damage while taking this medication:. Metronidazole is an FDA pregnancy category B drug and is approved for use during pregnancy. This means that animal studies show no harm to the fetus, but human studies are still needed to determine risk. There is limited data to show a risk for birth defects or miscarriage when taking metronidazole during pregnancy.
Metronidazole should not be used for trichomoniasis, an STI sexually transmitted infection , during the first trimester. An untreated trichomoniasis infection can increase the chance of preterm delivery. There is also an increased risk for the infant having a low birth weight. If the mother has an active infection, it can be transmitted to the baby during vaginal delivery. Although metronidazole can be prescribed while breastfeeding, it may travel into the breast milk.
If a larger dose of metronidazole is prescribed, a mother should consider pumping and dumping her milk throughout the duration of therapy plus an additional 24 hours after stopping metronidazole. Metronidazole is approved for use in children. Children may take metronidazole for some infections including amebiasis, trichomoniasis, C difficile infection C diff. If a child has a history of kidney or liver problems, the healthcare provider may decide to cut the dose in half.
There are a few potential drug interactions when taking metronidazole. People should make sure to tell their doctor what medications they are taking before beginning treatment. Some side effects may make treatment with metronidazole uncomfortable, but there are ways to prevent or reduce these side effects and make treatment more tolerable. Some ways to prevent adverse reactions when taking metronidazole include:.
The dosing and treatment depend on what infection is being treated. The choice is really down to the preference of the woman. Take Metronidazole tablets by swallowing them whole with a glass of water. The tablets tend to begin dissolving in the mouth very quickly, and a number of users complain of a very strong, metallic taste in the mouth.
If you are struggling with this, try taking the tablets with a glass of milk instead of water to mask the taste. Like all medications, Metronidazole comes with a list of potential side effects. While not everyone taking ti will experience these, a vast number of users complain of nausea, stomach pains, bloating and a loss of appetite. If you do notice stomach problems such as these, ensure you are taking the tablets after food, and then eat a little something after taking them too.
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