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The side effects listed above may not include all of the side effects reported by the drug's manufacturer.
How can this medicine affect other medicines?
It is important to tell your doctor or pharmacist what medicines you are already taking, including those bought without a prescription and herbal medicines, before you start treatment with this medicine. Similarly, check with your doctor or pharmacist before taking any new medicines while taking this one, to ensure that the combination is safe.
There may be an increased risk of experiencing a rash as a side effect of this medicine if you are also taking allopurinol.
Ampicillin may rarely alter the anti-blood-clotting effects of anticoagulant medicines such as warfarin. Your doctor may wish to monitor your blood clotting time while you are taking both medicines.
If you are taking a combined oral contraceptive pill there may be a very low risk that this antibiotic may make it less effective at preventing pregnancy. Although the risk of this is very low, the personal and ethical consequences of an unwanted pregnancy can be very serious. For this reason the Family Planning Association recommends that women taking combined oral contraceptives should use an extra method of contraception (eg condoms) while taking a short course of broad-spectrum antibiotic, and for seven days after finishing the course. If the seven days run beyond the end of a pill packet, a new packet should be started without a break (in the case of ED pills the inactive tablets should be omitted). For more information talk to your pharmacist.
Other medicines containing the same active ingredients
| Penbritin |
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