Antibiotics consumed orally to treat moderate to severe acne include tablets, capsules and elixirs. Oral medications affect acne by reducing the number of bacteria both on the skin's surface and within the hair follicles themselves.
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One anti-inflammatory agent, tetracycline, is the most widely prescribed antibiotic used to treat severely acne-prone skin. Tetracycline diminishes the population of P. acnes; which is the skin bacterium responsible for producing chemicals that cause inflammation.
As a result, tetracycline will reduce the amount of red and yellow pimples.
Tetracycline treatment usually begins with a high dosage (500-miligram per day) twice a day - once in the morning and once in the evening. As the skin improves, you can reduce the dosage to 250-miligram every day.
Whenever you take tetracycline, make sure your stomach is empty and that the medication is taken with only water. Doctors usually recommend that tetracycline be taken one or two hours after meals.
Unfortunately taking tetracycline has some risks and side effects. Since this medication can cause permanent discoloration of teeth in children that are still growing, it should never be taken by kids under ten or pregnant women. In addition, taking any oral antibiotic can lessen the effectiveness of your birth control pills. That means whenever you take an oral antibiotic (and for some time afterwards) you should be using another form of birth control to prevent pregnancy.