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Acne or pimples are caused by the accumulation of dirt and sebum (oil production) from the pores. During stressed-out times, our oil production increases and our pores are enlarged because of the adrenaline
The medication that is prescribed to you can only help in the short-term. Oral antibiotics, such as tetracycline and doxycycline, are often prescribed for acne. Taking antibiotics as directed will help your acne to clear and may reduce the risk of bacterial resistance - a condition that makes the antibiotic ineffective.
Always ask the doctor about the side effects of taking such oral medication because they might cause liver damage if taken over a long period of time. And if not advisable for ladies who are conceiving. I have customers who have taken the anti-biotics and their skin has remained with sensitive and have a tendency of redness ever since. I have personally taken then before, they might help initially however do not expect them to be the miracle cure.
Other than pharmaceutical approach, you can also go visit a recognized beauty therapist for help.
Original source: http://theimagecounsellor.wordpress.com/?p=147