Penicillins sentence example

penicillins
  • When a patient is allergic to the penicillins, either erythromycin may be given by mouth for streptobacillary infection or tetracycline by mouth for spirillary infection.
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  • Anaphylaxis is most common in children who are allergic to penicillins and similar drugs.
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  • Some drugs, including penicillins and sulfonamides, can cause delayed dermatologic allergic reactions.
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  • Examples of penicillins are penicillin V (Beepen-VK, Pen-Vee K, V-cillin K, Veetids) and amoxicillin (Amoxil, Polymox, Trimox, Wymox).
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  • Penicillins are sometimes combined with other ingredients called beta-lactamase inhibitors, which protect the penicillin from bacterial enzymes that may destroy it before it can do its work.
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  • Penicillins are available only with a prescription.
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  • Newer penicillins are resistant to stomach acid, such as penicillin V, or have a broader spectrum, such as ampicillin and amoxicillin.
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  • Penicillins are useful against infections in many parts of the body, including the mouth and throat, skin and soft tissue, tonsils, heart, lungs, and ears.
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  • However, since many bacteria are resistant to penicillin, it is often wise to do a culture and sensitivity test before using penicillins.
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  • People who have been allergic to cephalosporins are likely to be allergic to penicillins.
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  • Moreover, people with certain medical conditions or who are taking certain other medicines can have problems if they take penicillins.
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  • Penicillins may cause false positive results on urine sugar tests for diabetes.
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  • With some penicillins, particularly the broad spectrum products, there is a risk of increased growth of organisms that are not affected by penicillin.
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  • Penicillins may also interact with many other medicines.
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  • The list above does not include every drug that may interact with penicillins.
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  • A physician or pharmacist should be consulted before a patient combines penicillins with any other prescription or nonprescription (over-the-counter) medicine.
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  • Penicillins should be administered exactly as directed.
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  • Different kinds of penicillins cannot be substituted for one another.
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  • Beta-lactamase-An enzyme produced by some bacteria that destroys penicillins.
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  • The penicillins can be further subdivided.
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  • Aminopenicillins such as ampicillin and amoxicillin have an extended spectrum of action compared with the natural penicillins; extended spectrum penicillins are effective against a wider range of bacteria.
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  • Cephalosporins and the closely related cephamycins and carbapenems, like the penicillins, contain a beta-lactam chemical structure.
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  • The fluoroquinolones, which are based on the older group, are broad-spectrum bactericidal drugs that are chemically unrelated to the penicillins or the cephalosporins.
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  • Hypersensitivity to penicillins may be common, and cross allergenicity with cephalosporins has been reported.
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  • Penicillins are classed as category B during pregnancy.
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