Does the consumption of a single ' tretin-ISO' 20 mg capsule produce side effects?
Doctor Answers 1
it is part of the process for tretinoin to cause drying and you will notice it most with eyes, nose and lips. the swelling is a little unusual but may be related to the dryness. if you acne is bad, I would suggest that you try to persevere with the treatment as the symptoms become more tolerable with time.
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