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Doctor insights on: What Is Retinoid

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Dr. Marvin Ott
2 doctors shared insights

Islet Cell Carcinoma (Definition)

Islet cell tumors of the pancreas represent the second form of lesion, the first representing lesions of ductal origin that lead to the classic pancreatic carcinoma, most frequently arising in the head. The second group of tumors, those of neuroendocrine origin arise in clustered cells known as islets and which are mainly benign When malignant they spread with a ...Read more


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What are retin-a effects?

Retinoid effects: Retinoids should cause some degree of redness and peeling. If that isn't happening then the strength is not high enough. The peeling can be easily treated with most any moisturizer. This is why retinoids are useful for comedonal acne (whiteheads and blackheads). ...Read more

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What is the best otc retin-a?

What is the best otc retin-a?

None: Retin-A and similar medications are not over-the-counter in the U.S. They require a doctor's exam and prescription. Some cosmetics and OTC creams use retinol, which is a type of vitamin A, maybe because manufacturers think using the word "retinol" may sell more creams than using the word "vitamin A." ...Read more

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How long does it take for retin-a to begin working?

How long does it take for retin-a to begin working?

Most people...: ...Notice superficial redness and peeling almost immediately - often after the very first application. Deeper effects, such as stimulation of new collagen formation, takes longer - weeks to months - because collagen regenerates so slowly. The more potent formulations work more quickly than milder ones -- but they also cause more irritation of the skin. ...Read more

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I'm not sure, but should retin-a make me break out?

I'm not sure, but should retin-a make me break out?

Skin irritation: Retin a (tretinoin) should not cause acne, but can cause dry, scaly, red skin that may itch or burn. Usually this common side effect improves with time and can be avoided by starting gradually with a low dose and increasing slowly to reach the full recommended dose. ...Read more

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Is it ok to start using retin-a during summer? And use spf50 during the day? How often to apply retin-a when starting? Thanks

Is it ok to start using retin-a during summer? And use spf50 during the day? How often to apply retin-a when starting? Thanks

Avoid sun : Avoid sun exposure bet. 10-2. Wear sunblock and reapply at least every 2 hours maybe even more. You can start by keeping it on your skin overnight or as short as you can tolerate. If you're itchy or it feels like it burning, wash it off, skip next day. Do the same next time until you are able to tolerate it without a lot of side effects. So start every other day woke it up to daily ...Read more

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Does retin-a reverse sun damage?

Retin-A: Retin-a users reported improvements in skin texture, including diminished wrinkles and brown spots. Early studies soon confirmed its anti-aging effects. In 1988, dr. Voorhees and his colleagues at michigan published the first double-blind study of retin-a’s effect on photodamaged skin and found that all 30 patients who completed the 16-week study showed statistically significant improvement. ...Read more

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How long can retin-a cream be used?

During acne prone: Retina can be used during the acne prone years. It can dry the skin so you should consult with your dermatologist or prescriber about using a non-acne causing moisturizer. ...Read more

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Can i buy retin-a over the counter?

Can i buy retin-a over the counter?

No: The retinoids such as retin-a, differin, and tazorac (tazarotene) are by prescription only. They are commonly used to treat acne. ...Read more

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Would you suggest to use retin-a and mederma?

Would you suggest to use retin-a and mederma?

Yes: If your doctor has prescribed you retin-a, there should be no additional risk by using mederma topically on scars. ...Read more

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Is the liquid form of retin-a still available?

Yes: I am not exactly sure what you are asking, but the cream, gel and solution forms of Retin-A are available. ...Read more

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Can you use retin-a and still do microdermabrasion?

Might need delay: While both can be used on the same patient, there are reasons why they may need to be separated by days, weeks, or months, depending on individual doctor recommendation and experience. One of retin-a's effects is to thin the top layer of skin. This might interfere with healing or affect amount of irritation from microdermabrasion. Both can be beneficial, but need to be used carefully. ...Read more

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Can i use retin-a combined with murad facial products?

Murad & Retin A (tretinoin): You can use retin a (tretinoin) and murad facial products together. However, the combined products be extremely drying to your skin. ...Read more

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Is there any long-term side effects of retin-a like after 20yr?

Is there any long-term side effects of retin-a like after 20yr?

Retin-A: Retin-a is a photosensitizer; so prolonged use may increase sensitivity to sun exposure. Temporary hyper or hypopigmentation has been reported with repeated application. "to date, all adverse effects of Retin-A have been reversible upon discontinuance of therapy". ...Read more

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What effectiveness of retinoids if used to whiten bikini areas ?

Careful: retinoids are used either as a cream or a pill. Both are prescription and the pill can cause severe harm to a fetus if taken by a pregnant women. I would suggest consult with a dermatologist and seek guidance in the use of a mediation that should be used with care. ...Read more

Dr. Gutti Rao
407 doctors shared insights

Transient Ischemic Attack (Definition)

Tia (transitory ischemic attack) happens when blood supply to a certain area of the brain gets cut off temporarily. This causes a neurologic deficit - weakness, numbness, visual deficit or difficulty with speech. While TIA usually resolves, it indicates that there is a problem with your heart or blood vessels that can cause ...Read more


Isometric Exercise (Definition)

Isometric exercises involve contracting muscles while there is no movement with the exercise. The goal is to strengthen the muscle by using a force that is ...Read more