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Bactrim, Bactrimel (manufactured by Roche and distributed in Europe) Bactrom (Venezuela) Bibactin (manufactured by PPM and distributed in Cambodia and some African countries) Biseptol; Sumetrolim; Co-trimoxazole (used as generic UK name) Cotrim; Deprim (AFT Pharmaceuticals) Diseptyl (Israel)
In other cases, topical is defined as applied to a localized area of the body or to the surface of a body part regardless of the location of the effect. [4] [5] By this definition, topical administration also includes transdermal application, where the substance is administered onto the skin but is absorbed into the body to attain systemic ...
Distribution in pharmacology is a branch of pharmacokinetics which describes the reversible transfer of a drug from one location to another within the body.. Once a drug enters into systemic circulation by absorption or direct administration, it must be distributed into interstitial and intracellular fluids.
Illustration showing the hepatic portal vein system. The first pass effect (also known as first-pass metabolism or presystemic metabolism) is a phenomenon of drug metabolism at a specific location in the body which leads to a reduction in the concentration of the active drug before it reaches the site of action or systemic circulation.
Absorption. Sulfamethoxazole is well-absorbed when administered topically. It is rapidly absorbed when it is orally administered. [1] Distribution. Sulfamethoxazole distributes into most body tissues as well as into sputum, vaginal fluid, and middle ear fluid. [8] [11] It also crosses the placenta. About 70% of the drug is bound to plasma proteins.
Clarithromycin, sold under the brand name Biaxin among others, is an antibiotic used to treat various bacterial infections. [6] This includes strep throat, pneumonia, skin infections, H. pylori infection, and Lyme disease, among others. [6]
Trimethoprim (TMP) is an antibiotic used mainly in the treatment of bladder infections. [1] Other uses include for middle ear infections and travelers' diarrhea. [1] With sulfamethoxazole or dapsone it may be used for Pneumocystis pneumonia in people with HIV/AIDS.
On other occasions drugs combine with bile juices and enter the intestines. In the intestines the drug will join with the unabsorbed fraction of the administered dose and be eliminated with the faeces or it may undergo a new process of absorption to eventually be eliminated by the kidney.