Category Internal Medicine

Gonadotropins

General information Human chorionic gonadotropin (HCG, hCG), extracted from the urine of pregnant women, has mainly luteinizing hormone (LH) activity. Human menopausal gonadotropin (HMG, hMG) contains both follicle-stimulating hormone (FSH) and luteinizing hormone in about equal amounts. Where materials of…

Gonadorelin antagonists

General information The gonadorelin antagonists include abarelix, cetrorelix, degarelix, detirelix, ganirelix, iturelix, prazarelix, ramorelix, and teverelix. Gonadorelin agonists suppress the release of gonadotropin after an initial surge: pituitary suppression takes up to 2 weeks to develop. Competitive antagonists at gonadorelin…

Gonadorelin and analogues

General information Gonadorelin is gonadotropin-releasing hormone. The effects of gonadorelin depend on the duration of use. Gonadotropin release is stimulated in the short term, but is later suppressed owing to down-regulation of hypophyseal receptors. Its therapeutic indications have been summarized…

Glycols

General information Glycols are aliphatic dihydric alcohols. Primary and secondary glycols are thick liquids, and tertiary glycols (pinacones) are crystalline solids. The principal glycols to which people are or have been exposed, either occupationally or in medicinal products, are listed…

Glycine

General information Glycine is an amino acid that is used in a 1.5% solution for bladder irrigation during transurethral prostatectomy and sometimes continuously for 24 hours after surgery. It has also been used to irrigate renal stone fragments after percutaneous…

Glycerol

General information Glycerol is a colorless syrupy liquid that is used medically as a laxative given orally, as an enema, or in the form of suppositories. Oral hypertonic glycerol has been used as a test for reversibility of the symptoms…

Glutaral

General information Aldehydes such as glutaral (glutaraldehyde), formaldehyde, and glyoxal are used as solutions and vapors for disinfection and sterilization. The safety and biocidal efficacy of glutaral has led to its endorsement by the CDC and WHO as a substitute…