Europe — EMA
Ketrel
GNH USA supplies Ketrel (tretinoin), a topical retinoid for acne vulgaris, photoaged skin and hyperkeratosis. Request a quote for global supply worldwide.
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What is Tretinoin?
Tretinoin, the active ingredient in Ketrel, is a retinoid presented as a topical formulation for skin application. It is prescribed for the treatment of acne vulgaris, photoaged skin and hyperkeratotic conditions, helping to normalize keratinocyte growth and reduce lesions in affected individuals.
GNH USA supplies Ketrel as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, adhering to EU quality standards and providing reliable global distribution.
What is Tretinoin used for?
Ketrel (tretinoin) is a topical retinoid used in dermatological conditions that involve abnormal keratinocyte proliferation. - Acne vulgaris: reduces inflammatory lesions and comedones by promoting cell turnover. - Photoaged skin: improves fine lines, mottled pigmentation and texture through collagen remodeling. - Hyperkeratosis: softens and thins hyperkeratotic plaques, facilitating smoother skin.
What are the side effects of Tretinoin?
Topical tretinoin may cause local skin reactions, ranging from mild irritation to rare severe events. Common Side Effects: - Erythema: redness of the treated area. - Peeling: flaking or desquamation of skin. - Dryness: sensation of tight or rough skin. Serious or Rare Side Effects: - Severe dermatitis: extensive skin inflammation requiring medical attention. - Photosensitivity: heightened skin reaction to sunlight. - Allergic contact dermatitis: immune‑mediated rash.
What precautions apply to Tretinoin?
When using Ketrel, follow these safety measures: - Avoid application on compromised skin: do not use on open wounds or eczema. - Use sunscreen: protect treated area from UV exposure. - Start with low frequency: apply once daily or every other day as directed. - Limit use on sensitive areas: avoid eyes, mucous membranes and genital skin. - Discontinue if severe irritation occurs: seek medical advice. - Store at room temperature: keep in original container, protect from moisture and light.
What does Tretinoin interact with?
Ketrel can interact with other medications; consider the following: Major Interactions (Avoid): - Systemic retinoids: concurrent use may increase risk of toxicity. - Tetracycline antibiotics: may exacerbate intracranial hypertension. - Phenobarbital or other enzyme inducers: may reduce tretinoin efficacy. Moderate Interactions (Monitor Closely): - Benzoyl peroxide: can cause increased irritation. - Vitamin A supplements: may potentiate retinoid effects. - Antifungal azoles: may alter skin metabolism of tretinoin.
Frequently asked questions
What conditions is Ketrel used to treat?+
How does tretinoin work in the skin?+
What determines the dosing regimen for Ketrel?+
Is Ketrel safe to use during pregnancy or while breastfeeding?+
How do I order Ketrel from GNH USA?+
How does Ketrel compare with other acne treatments such as benzoyl peroxide?+
What are the recommended storage conditions for Ketrel?+
How should Ketrel be applied?+
What are the most serious risks associated with Ketrel?+
Who should not use Ketrel?+
Product details
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