Hyperhidrose et traitement systémique (Pour les professionnels)

Systemic therapy for primary hyperhidrosis: a retrospective study of 59 patients treated with glycopyrrolate or clonidine. Walling HW. J Am Acad Dermatol. 2012 Mar;66(3):387-92. Epub 2011 Aug 4. Hyperhidrosis is a socially bothersome and psychologically devastating condition which occurs spontaneously, but can reach extreme proportions in hot and humid wethaer conditions. Treatment options appear to…

Cysteamine Creme comme nouvel agent depigmentant

Presented at the Scientific Meeting: European Academy of Dermatology (EADV), Annual Meeting. Prague (Praha), Czech Republic (Česká republika, Česko), 27 – 30 September 2012 Hsu.C. 1, Pourahmadi M.2, Ahmadi S. 2, Ali Mahdi H. 3 1:Centre Medical du Lignon, Geneva, Switzerland. 2: Jahrom University Medical school, Jahrom, Iran. 3: Global Dermatology Information Portal. Royal Bahrain…

Comment faire la différence entre le psoriasis et la dermite seborrhéique ? (Pour les professionnels)

This is particularly useful when the diagnosis is not obvious from clinical examination* (nails, extensor surfaces (elbows), folds on the face): Psoriasis lesions appear reddish Seborrheic Dermatitis (Seborrhoeic Dermatitis) lesions  appear yellowish *It is typical to have this problem when the lesions are located on the scalp only Use a dermatoscope and look at the…

Est-ce que les crèmes récentes (sans Hydroquinone) sont plus sûres dans le traitement du mélasma (chloasma, masque de grossesse) ? (Pour les professionnels)

The new generation (that is non-hydroquinone based) depigmentation creams also work… They are not as a group more effective than hydroquinone-based topicals(HQ)… …However they do have a much lower frequency and severity of side-effects Contributors: Dr Christophe HSU – dermatologist. Geneva, Switzerland Source of Information: 2012 (09) – Sachdev M. 21st Annual Congress of the…

Les hormones sont-elles impliquées dans la pathogenèse du mélasma (chloasma, masque de grossesse) ? (Pour les professionnels)

Hormones only provide a partial explanation to the pathogenesis of melasma (chloasma, mask of pregnancy) In a study involving 400 pregnant women: 16% of them had melasma even though it was not related to the stage of pregnancy Also the pigmentation was located more often on the arms which is an atypical distribution for melasma.…

Les lasers, sont-ils efficaces pour traiter le mélasma (chloasma, masque de grossesse) ? (Pour les professionnels)

Other articles deal with this issue however we can say here that lasers play a limited role: They are only indicated in the treatment of dermal melasma (chloasma, pregnancy mask). Even in this indication, the response is unpredictable* and the pigmentation tends to recur. Response to treatment has been reported for the following lasers (non-exhaustive…

Est-ce que l’acide tranéxamique pris oralement est efficace dans le traitement du mélasma (chloasma, masque de grossesse) ? (Pour les Professionnels)

Tranexamic acid is an antifibrinolytic which inhibits the conversion of plasminogen to plasmin. It has an antiallergic and antiinflammatory action. It might be effective in the treatment of melasma (chloasma, pregnancy mask): However tranexamic acid is in its inital stages and over the long run, the good results in the few reports* might not be…

Est-ce que l’utilisation d’Hydroquinone est sans danger ? (Pour les professionnels)

Hydroquinone is the Gold Standard for treating Melasma (Chloasma, Pregnancy Mask). Numerous concentrations are used but a concentration of 4% in practice begins to be effective (and to have side-effects). Side effects include: erythema burning exogenous ochronosis confetti-like depigmentation In practice it is safe to use at 4% when closely supervised medically. Contributors: Dr Christophe…

Est-ce que l’utilisation d’Hydroquinone est sans danger ? (Pour les professionnels)

Hydroquinone is the Gold Standard for treating Melasma (Chloasma, Pregnancy Mask). Numerous concentrations are used but a concentration of 4% in practice begins to be effective (and to have side-effects). Side effects include: erythema burning exogenous ochronosis confetti-like depigmentation In practice it is safe to use at 4% when closely supervised medically. Contributors: Dr Christophe…

Le mélasma (chloasma masque de grossesse): ne pas le confondre avec d’autres troubles de la pigmentation (Pour les professionnels)

In practice, when a patient is seen during a consultation, for a pigmentation problem, it is labelled “facial melanosis”. The most frequent cause of facial melanosis is chloasma (melasma, pregnancy mask) When in doubt should we do a biopsy on the face ? Yes, sometimes. Here are some other causes of facial melanosis: Leprosy when…