Oct
02
2008
0

Probiotics

Definition

Probiotics, as defined by the Food and Agricultural Organization of the United Nations (FAO), are “live microorganisms administered in adequate amounts which confer a beneficial health effect on the host.” The microorganisms referred to in this definition are non-pathogenic bacteria (small, single celled organisms which do not promote or cause disease), and one yeast, Saccharomyces.

Sep
13
2008
0

LEFLUNOMIDE (Arava)

Pharmacology.

Leflunomide’s active metabolite (M1) inhibits dihydro-oratate dehydrogenase, thereby inhibiting pyrimidine biosynthesis. M1 exhibits immunomodulating and anti-inflammatory effects.

Administration and Adult Dosage.

PO for rheumatoid arthritis 100 mg/day for 3 days, then 20 mg/day. Reduce dose to 10 mg if 20 mg is not tolerated.

Pediatric Dosage.

Safety and efficacy not established.

Geriatric Dosage.

Same as adult dosage.

Dosage Forms.

Sep
08
2008
0

SUMATRIPTAN SUCCINATE (Imitrex)

Pharmacology.

Sumatriptan is a serotonin (5-HT) analogue and a selective agonist at 5-HT1D receptors in cerebral vascular smooth muscle. Receptor activation results in migraine relief by vasoconstriction of intracranial blood vessels and attenuation of the release of vasoactive peptides responsible for inflammation of sensory nerves.

Administration and Adult Dosage.

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