Macule: the temporary red spot left by a healed acne lesion. It is flat, usually red or red-pink, with a well defined border. A macule may persist for days to weeks before disappearing. When a number of macules are present at one time they can contribute to the "inflamed face" appearance of acne.
Mast cell: a tissue cell that is a primary participant in immediate hypersensitivity reactions. Mast cells make and release histamine and other mediators of inflammation.
Maxiflor®: (Diflorasone) topical high to very high potency corticosteroid, used to treat a variety of skin conditions. Also sold under the brand name(s): Florone®; Florone E®; Psorcon™
Measles: symptoms include fever, coughing and a spreading skin rash.
Medical history: a collection of information obtained from the patient and from other sources concerning the patient's past and current health.
Medicamentosa: drug eruption
Melanoma: The rarest of the skin cancers (4-5% of all skin cancers), melanoma is also the most dangerous. It spreads rapidly, attacking the cells that produce pigment, or skin coloring. The color of melanoma skin lesions varies: they often have irregular borders, change shape and size, and sometimes bleed. Watch for changes to existing moles.
Methotrexate: a medication prescribed for the treatment of moderate to severe psoriasis.
MetroCream®: a topical treatment for rosacea.
MetroGel®: Metronidazole; a topical treatment for rosacea.
MetroLotion®: Metronidazole; a topical treatment for rosacea.
Metronidazole: a topical treatment for rosacea. It has been proved as effective against rosacea. The active ingredient in Metrogel, Metrocream, Metrolotion, Rozex gel and Noritate.
Mila: a small pearly firm non-inflammatory whitehead. Mila are due to retention of keratin in an oil gland duct blocked by a thin layer of epithelium.
Minocin® (Oral): Oral antibiotic used to treat infections that are caused by bacteria. Belongs to a class of drugs called tetracycline antibiotics. Also sold under the brand name(s): Minocycline, Dynacin®
Minocycline: Oral antibiotic used to treat infections that are caused by bacteria. Belongs to a class of drugs called tetracycline antibiotics. Also sold under the brand name(s): Minocin® (Oral), Dynacin®
Mometasone furoate: a cortisone-like steroid available in cream, ointment, and lotion form. It is used to treat certain itchy rashes and other inflammatory skin conditions. Also sold under the brand name(s): Elocon®
Monodox®: an oral antibiotic which is used to treat a wide variety of bacterial infections. It is often prescribed for rosacea. Also sold under the brand name(s): Vibra-Tabs®, Vibramycin®, Doxycycline®, Doryx®, Novodoxylin®
