Posted by
benzoyl peroxide (Proactiv, Neutrogena, Clearasil)

benzoyl peroxide (Proactiv, Neutrogena, Clearasil)

What is benzoyl peroxide? Benzoyl peroxide is a topical medication used for treating acne (pimples). It is active against Propionibacterium acnes, a bacterium which has been associated with acne. Why is benzoyl peroxide used? Benzoyl peroxide is used for the treatment of acne. Is benzoyl peroxide available as a generic drug? Yes Do I need […]

Posted by
clindamycin and benzoyl peroxide gel (Benzaclin, Acanya, Duac, Onexton)

clindamycin and benzoyl peroxide gel (Benzaclin, Acanya, Duac, Onexton)

What is clindamycin and benzoyl peroxide gel, and how does it work (mechanism of action)? Clindamycin/benzoyl peroxide is a combination of an antibiotic, clindamycin, and benzoyl peroxide, another drug that has antibacterial effects. Clindamycin/benzoyl peroxide is used topically (applied to the skin) for the treatment of pimples (acne). Both agents are active against Propionibacterium acnes, […]

Posted by
pimecrolimus (Elidel)

pimecrolimus (Elidel)

What is pimecrolimus, and how does it work (mechanism of action)? Pimecrolimus is a chemical that is used to treat atopic dermatitis (eczema). Atopic dermatitis is a skin condition characterized by redness, itching, scaling, and inflammation of the skin. The cause of atopic dermatitis is not known; however, scientists believe that it may be due […]

Posted by
Shingles Vaccine (Zoster Shingles Vaccine Live, Zostavax)

Shingles Vaccine (Zoster Shingles Vaccine Live, Zostavax)

What is Zoster Vaccine Live (Shingles Vaccine), and how does it work (mechanism of action)? Zoster vaccine contains live, attenuated (weakened) varicella-zoster virus (VZV). Varicella-zoster causes chickenpox and then becomes dormant in nerves. VZV reactivates and causes herpes zoster (shingles or zoster) later in life (usually 60 years of age or older) when immunity against […]

Posted by
isoniazid

isoniazid

What are the side effects of isoniazid, INH? Hepatitis When isoniazid is broken down by the liver, one of the products is acetylhydrazine, a potent toxin for the liver. When taken over a long period of time at standard doses, isoniazid can cause important and even fatal liver injury (hepatitis) in approximately 1 out of […]

Posted by
imiquimod (Aldara, Zyclara)

imiquimod (Aldara, Zyclara)

What is imiquimod, and how does it work (mechanism of action)? Imiquimod is a topical medication that activates the immune system and is used for treating (not curing) genital warts. Although the exact mechanism of action imiquimod is not known, imiquimod is presumed to work by activating immune cells and chemicals that affect the immune […]

Posted by
tacrolimus ointment (Protopic)

tacrolimus ointment (Protopic)

What is tacrolimus ointment, and how does it work (mechanism of action)? Tacrolimus ointment is a topical drug (a drug that is applied to the skin) that is used for the treatment of atopic dermatitis (eczema). Atopic dermatitis is a chronic (long-lasting) disease of skin in which the skin becomes inflamed, causing itchiness, redness, swelling, […]

Posted by
lidocaine patch (Lidoderm)

lidocaine patch (Lidoderm)

What is lidocaine patch-topical, and how does it work (mechanism of action)? Lidocaine is an amide-type, local anesthetic medication available in a patch form. Lidocaine, like other local anesthetics causes a loss of sensation by reducing the flow of sodium in and out nerves to decrease the initiation and transfer of nerve signals. The FDA […]

Posted by
Valtrex (valacyclovir)

Valtrex (valacyclovir)

What are the side effects of Valtrex (valacyclovir)? The side effect profile of Valtrex is similar to that of acyclovir (Zovirax). Common side effects are: Other important side effects are: More serious side effects include central nervous system side effects which are more likely to happen in the elderly, for example: What is the dosage […]

Posted by
mupirocin (Bactroban, Centany)

mupirocin (Bactroban, Centany)

What is mupirocin? How does it work (mechanism of action)? Mupirocin is an antibiotic that is used topically (on the skin) for the treatment of impetigo, a bacterial disease of the skin caused by Staphylococcus aureus, beta-hemolytic streptococcus and Streptococcus pyogenes. It also is used intranasally (inside the nose) by patients and some people who […]