Azithromycin

Products Azithromycin is commercially available in the form of film-coated tablets, powder for preparation of a suspension, and granules (Zithromax, generic). Furthermore, a granule for the preparation of a sustained-release oral suspension is available (Zithromax Uno). Eye drops have also been released in some countries. Azithromycin has been approved in many countries since 1992. Structure … Azithromycin

Acarbose Effects and Side Effects

Products Acarbose is commercially available in tablet form (Glucobay). It is usually combined with other agents such as metformin, insulin, or sulfonylureas to enhance the antidiabetic effect. Acarbose has been approved in many countries since 1986. Structure and properties Acarbose (C25H43NO18, Mr = 645.60 g/mol) is a pseudotetrasaccharide obtained from the bacterium by fermentation. It … Acarbose Effects and Side Effects

Enterohepatic Circulation

Definition Pharmaceutical agents are excreted primarily in the urine and, via the liver, in the bile in the stool. When excreted via the bile, they re-enter the small intestine, where they may be reabsorbed. They are transported back to the liver via the portal vein. This repetitive process is called the enterohepatic circulation. It prolongs … Enterohepatic Circulation

Amoxicillin (Amoxil)

Products Amoxicillin is commercially available in the form of tablets, film-coated tablets, dispersible tablets, as powder or granules for the preparation of a suspension, as an infusion and injection preparation, and as a veterinary drug. In addition to the original Clamoxyl, numerous generics are available today. Amoxicillin was launched in 1972 and has been approved … Amoxicillin (Amoxil)

Retigabine (Ezogabine)

Products Retigabine was approved in many countries as film-coated tablets since 2011 (Trobalt). In the United States, it is referred to as ezogabine. It was discontinued in 2017. Structure Retigabine (C16H18FN3O2, Mr = 303.3 g/mol) is a carbamate that was developed starting from the analgesic flupirtine. The free primary amino group is -glucuronidated (see below). … Retigabine (Ezogabine)

Carmustine

Products Carmustine is commercially available in many countries as a powder and solvent for the preparation of an infusion solution (BiCNU). An implant is also available in some countries (Gliadel). Structure and properties Carmustine (C5H9Cl2N3O2, Mr = 214.0 g/mol) belongs to the nitrosoureas. It exists as a yellowish, granular powder that is very sparingly soluble … Carmustine

Antiarrhythmics

Indications For the treatment of cardiac arrhythmias. Active ingredients Class I (sodium channel blockers): class IA: Ajmaline (off-label). Quinidine (out of trade) Procainamide (out of commerce) Class IB: Lidocaine Phenytoin (not approved for this indication in many countries). Tocainide (not commercially available in many countries). Mexiletine (not on sale in many countries). Class IC: Encainid … Antiarrhythmics

Darifenacin

Products Darifenacin is commercially available in the form of sustained-release tablets (Emselex). It has been approved in many countries since 2005. Structure and properties Darifenacin (C28H30N2O2, Mr = 426.6 g/mol) is a tertiary amine. It is present in drugs as darifenacin hydrobromide, a white crystalline powder. Effects Darifenacin (ATC G04BD10) has parasympatholytic properties. It is … Darifenacin

Omega 3 Fatty Acids Health Benefits

Products Omega-3 fatty acids are usually administered in the form of softgels. Oils for oral use are also available. Some foods are rich in omega-3 fatty acids (see below). Structure and properties The most important omega-3 fatty acids include eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). They are polyunsaturated and long-chain fatty acids (PUFA: PolyUnsaturated … Omega 3 Fatty Acids Health Benefits