If your or your child's symptoms do not improve within a few days, or if they become worse, check with your doctor. Using these medicines together may increase risk for more serious side effects. Check with your doctor right away if you or your child have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, unusual tiredness or weakness, or yellow eyes or skin.
These could be symptoms of a serious liver problem. This medicine can cause changes in heart rhythms, such as a condition called QT prolongation. It may change the way your heart beats and cause fainting or serious side effects in some patients. Contact your doctor right away if you or your child have worsening symptoms of heart rhythm problems, such as fast, pounding, or uneven heartbeat.
Erythromycin may cause diarrhea, and in some cases it can be severe. It may occur 2 months or more after you stop using this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer. If you have any questions about this or if mild diarrhea continues or gets worse, check with your doctor.
Before you have any medical tests, tell the medical doctor in charge that you or your child are using this medicine. The results of some tests may be affected by this medicine. Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription over-the-counter [OTC] medicines and herbal or vitamin supplements. Along with its needed effects, a medicine may cause some unwanted effects.
Although not all of these side effects may occur, if they do occur they may need medical attention. Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:.
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional. Call your doctor for medical advice about side effects. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.
Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. The penicillin family of antibiotics contains over 15 chemically related drugs e.
It is one of the most frequently used classes of antibiotics in the world. Most people lose their penicillin allergy over time, even patients with a history of severe reaction such as anaphylaxis.
A highly sensitive penicillin skin test is available to diagnose penicillin allergy and can be used to determine if you are allergic to penicillin.
There is no predictable pattern to inheritance of penicillin allergy. You do not need to avoid penicillin if a family member is allergic to penicillin or drugs in the penicillin family. Amoxicillin is in the same family of antibiotics as penicillin. This skin testing is similar to penicillin skin testing.
A skin prick test, also called a scratch test, checks for immediate allergy and is the first step in skin testing. Skin prick testing is usually not painful. Intradermal skin testing is the second part of the evaluation and involves injecting the skin. You can take most penicillins during pregnancy and breastfeeding in the usual doses. Tell your healthcare professional if you're pregnant or breastfeeding, so they can prescribe the most suitable antibiotic for you.
If you previously had an allergic reaction to penicillin, there's a chance that you may also be allergic to cephalosporins. Cephalosporins may not be suitable if you have kidney disease, but if you need one you will probably be given a lower than usual dose. If you're pregnant or breastfeeding — or have a rare inherited blood disorder called acute porphyria — check with your doctor, midwife or pharmacist before taking cephalosporins.
Aminoglycosides are normally only used in hospital to treat life-threatening health conditions such as septicaemia, as they can cause kidney damage in people with pre-existing kidney disease. They're only used during pregnancy if your doctor believes they're essential.
Do not take macrolides if you have porphyria — a rare inherited blood disorder.
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