A 20-year-old male asked:
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what is the difference between isotrex topical gel and retin a (tretinoin) ? asked my derm for retin a (tretinoin) and he prescribed me isotrex topical gel instead

2 doctor answers
Dr. Oscar Novick
58 years experience Pediatrics
Acne: Apparently your doctor thought that your acne is more severe than you .Both drugs are retinoids but isotrex is a bit stronger.
Answered on Dec 10, 2013
Dr. Alvin Lin
Dr. Alvin Lin answered
30 years experience Geriatrics
(Iso)tretinoin: Retin-a is tretinoin (available in states as http://www.Drugs.Com/retin-a.Html) whereas isotrex (appears to be uk brand http://www.Netdoctor.Co.Uk/skin-and-hair/medicines/isotrex-gel.Html) is isotretinoin. When taken orally as a pill (don't eat cream/gel/lotion!), Isotretinoin first gained fame as Accutane (no longer sold in states under that brand).
Answered on Jul 1, 2014
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Related questions:

A 20-year-old male asked:
Dr. James Chappell
29 years experience Plastic Surgery
Both are Vitamin A's: One is a cream/gel the other one is a pill. Accutane and Retin-A are both forms of vitamin a, just in different forms. Retin-a or tretinoin (ge ... Read More
A 20-year-old male asked:
Dr. Pierrette Mimi Poinsett
38 years experience Pediatrics
Similar meds: Both have the same active ingredient tretinoin (or retin a). The supatret preparation uses cross polymer microsphere to deliver the medicine. The ge ... Read More
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A 30-year-old female asked:
Dr. Ralph Rosato
36 years experience Plastic Surgery
Not recommended: It is not recommended to use retin a (tretinoin) while breast feeding.
A 25-year-old female asked:
Dr. Todd Sisto
37 years experience Breast Surgery
Follow your Drs': instructions to the letter to find out. Don't have a Dr if you don't have confidence in their recommendation.

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