Category Internal Medicine

Hair glues

See also Cyanoacrylates General information Hair bonds and hair extensions are used both as cosmetic hair alterations and in localized or diffuse alopecia. The commercial glues used to affix the exogenous hair are gelatinous liquids that contain pigments, antioxidants, such…

Hair dyes

See also Food, drug, and cosmetic dyes General information Hair dyes (for example henna, paraphenylenediamine, and paratoluenediamine) have been reviewed [ ]. They have moderate to low acute toxicity. Poisoning is rare and occurs only after oral ingestion. Contact sensitization…

Guar gum

General information Guar gum is a low-viscosity water-soluble dietary fiber that has been used to treat diabetes because it slows the absorption of glucose from the gut. However, adverse reactions such as regurgitation, obstipation, abdominal cramps, diarrhea, and itching are…

Guancydine

General information Guancydine is a vasodilator that has been used to treat hypertension [ ]. It inhibits the actions of angiotensin, reducing its effects on the urinary excretion of water, sodium, potassium, and calcium [ ]. Because it is a…

Griseofulvin

General information Griseofulvin was originally isolated in 1939 as a natural product of Penicillium griseofulvum [ ]. It interferes with fungal microtubule formation, disrupting the cell’s mitotic spindle formation and arresting the metaphase of cell division. Griseofulvin is a fungistatic…

Grepafloxacin

See also Fluoroquinolones General information Grepafloxacin is a synthetic fluoroquinolone antibiotic with extensive tissue distribution and strong antibacterial activity in vivo [ , ]. However, it was withdrawn in 1999 because of its adverse cardiovascular effects, which included dysrhythmias […