What is a Generic Drug?
A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
Retin A Gel (Tretinoin)
Prescription Required
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Product Details
Description
Retin A Gel and Cream Uses
Chemical Name: TRETINOIN (TRET-i-noyn)
Retin A is a vitamin A derivative used to treat acne. It may also be used to treat other conditions as determined by your doctor. Tretinoin is used to reduce the appearance of fine wrinkles and mottled skin discoloration, and to make rough facial skin feel smoother.
Retin A gel is available for purchase online at Canada Pharmacy
Directions
Retin A gel 0.025 should be applied once daily at bedtime to lightly cover the areas being treated. The area of application should be thoroughly cleaned with mild soap and water and patted dry with a soft towel. Apply a small amount on your fingertip and spread it on the skin where acne lesions appear.
Avoid rubbing the medication into the skin. After 3 to 6 weeks of treatment, you may notice new blemishes. Keep using this medication as you will notice a gradual improvement over 8 - 10 weeks.
Ingredients
Each gram of tretinoin cream contains 0.1% tretinoin in a bland, hydrophilic base.
The inactive ingredients include:
- Butylated hydroxytoluene
- Isopropyl myristate
- Polyoxyl (40) stearate
- Purified water
- Sorbic acid
- Stearic acid
- Stearyl alcohol
- Xanthan gum
Fact Table
Formula
C20H28O2
License
US FDA
Bioavailability
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Legal status
US: RX Only
Chemical Name
Tretinoin
Elimination half-life
0.5-2 hours
Dosage (Strength)
0.04% Gel Pump (50 grams), 0.10% Gel Pump (50 grams)
Pregnancy
Consult a doctor
Brands
Retin-A Micro
Protein binding
Greater than 95%
PubChem CID
444795
MedlinePlus
a608032
ChEBI
15367
ATC code
D10AD01 (WHO), L01XF01 (WHO), D10AD51 (WHO)
DrugBank
DB00755
KEGG
D00094, C00777
Routes of administration
Topical
Cautions
Keep the medication away from the corners of the nose, mouth, eyes, and easily irritated areas. Avoid applying excess amounts as the medication may run into the eyes and other areas that should be avoided. Tretinoin should not be applied to areas of the skin where you have other problems such as eczema, severely inflamed skin, or open skin lesions. Use of sunscreen is recommended. Prolonged exposure to sunlight, sunlamps, wind, and cold should be avoided during treatment. If you are going to be exposed to the sun, use a sunscreen with minimum SPF 15 and wear protective clothing.
It is important that this medication is applied exactly as prescribed by your doctor. If you miss a dose, skip the missed dose and continue with your regular dosing schedule. Gel products are flammable and should be kept away from the heat of the flame.
Side Effects
Side effects that may occur while taking this medication include:
- Burning feeling
- Stinging or tingling of the skin
- Chapping or slight peeling of the skin
- Redness of the skin
- Unusual dryness of skin
- Unusually warm skin
IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.Product Code : 1776
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