For non-prescription products, read the label or package ingredients carefully. Many penicillins have been used in children and, in effective doses, are not expected to cause different side effects or problems in children than they do in adults. Some strengths of the chewable tablets of amoxicillin contain aspartame, which is changed by the body to phenylalanine, a substance that is harmful to patients with phenylketonuria.
Penicillins have been used in the elderly and have not been shown to cause different side effects or problems in older people than they do in younger adults. Penicillins have not been studied in pregnant women. However, penicillins have been widely used in pregnant women and have not been shown to cause birth defects or other problems in animal studies.
Penicillins pass into the breast milk. Even though only small amounts may pass into breast milk, allergic reactions, diarrhea, fungus infections, and skin rash may occur in nursing babies.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary.
When you are taking any of these medicines, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The value of continued breastfeeding outweighs the temporary inconvenience. In theory exposure may sensitise the baby to later doses e. Large doses of antibiotics may encourage overgrowth of thrush candida in the mother by killing all the natural gut bacteria. Many women find taking supplements of acidophilus or live yoghurt beneficial to redress the balance.
Some antibiotics e. Any drug passing into breastmilk is therefore unlikely to be absorbed in sufficient quantities by the baby and there is no need to cease breastfeeding on safety grounds.
However, the mother may not feel well enough to breastfeed or may need the baby to be cared for by another adult and brought to her for feeding.
In short courses less than a month this appears not to be a problem as the drug forms a complex with the calcium in the milk and is not absorbed by the baby. Long courses e. It has not been possible to trace the original research which suggested this or who tasted the milk and made this conclusion.
Babies do not appear to be concerned by the frequent variation in the taste of breastmilk which occurs naturally. Occasionally it can alter the colour of the milk. In the US single doses of 2g are used and breastfeeding is temporarily interrupted. In the UK doses of milligrammes three times a day are used and breastfeeding can continue.
To make sure this medicine is safe for you, tell your doctor if you have:. The amount of phenoxymethylpenicillin you need depends on your age and how bad the infection is, and whether you're taking it to treat or prevent an infection. Carry on taking this medicine until you have completed the course, even if you feel better.
Try to space the doses evenly throughout the day. If you take phenoxymethylpenicillin 4 times a day, this could be first thing in the morning, around midday, late afternoon and at bedtime. If you're taking it twice a day, leave 12 hours between each dose. This could be early morning and early evening, at 8am and 8pm. It's best not to take phenoxymethylpenicillin at mealtimes.
Take it 30 minutes before a meal or at least 2 hours after you have eaten. The medicine also comes as a liquid for people who find it difficult to swallow tablets. If you or your child are taking phenoxymethylpenicillin as a liquid, it'll usually be made up for you by your pharmacist. The medicine will come with a plastic syringe or spoon to help you measure out the right dose. If you don't have one, ask your pharmacist for one. Do not use a kitchen teaspoon as it will not give the right amount.
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 forget doses often, 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 phenoxymethylpenicillin is unlikely to harm you or your child. Speak to your pharmacist or doctor if you're worried, or if you take more than 1 extra dose. Like all medicines, phenoxymethylpenicillin can cause side effects, although not everyone gets them.
If you're taking phenoxymethylpenicillin to prevent infections, your doctor will usually ask you to have blood tests. This is to make sure you're not getting any unexpected side effects. These common side effects happen in 1 in 10 people. Keep taking the medicine, but tell your doctor or pharmacist if they bother you or don't go away:.
Around 1 in 10 people have an allergic reaction to phenoxymethylpenicillin. Mild allergic reactions can usually be successfully treated by taking antihistamines. In rare cases, phenoxymethylpenicillin can cause a serious allergic reaction anaphylaxis. You could be having a serious allergic reaction and may need immediate treatment in hospital.
You can report any suspected side effect to the UK safety scheme. It's usually safe to take phenoxymethylpenicillin during pregnancy and while breastfeeding. PMID: Disclaimer :Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation.
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