Pharmacology Flashcards

1
Q

Hyoscine

A

anti-cholinergic
anti-spasmodic
reduces colic
great for patients with sub-acute bowel obstruction
10-20mg s/c 2 hourly or in a syringe driver

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2
Q

midazolam

A

palliative drug
used for severe agitation, anxiety, seizures in end of life period

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3
Q

Carbamazepine

A

trigeminal neuralgia
relieves neuropathic pain

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4
Q

Gabapentin

A

first line in neuropathic pain
uptitrated slowly from 100mg TDS to max 900mg

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5
Q

Digoxin

A

used in HF
no proven cause of reducing mortality
increased risk of death due to arrhtymias

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6
Q

Beta-blockers

A

Bisoprolol used in HF
proven to reduce mortality of HF via CIBIS 2 trial

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7
Q

Enalapril

A

used in HF therapy
proven to reduce mortality via CONSENSUS trial

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8
Q

Nitrates and Hydralazine

A

used in HF
proven to reduce mortality via the V-HEFT study

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9
Q

TB drugs causing hepatitis

A

rifampicin
isoniazid
pyrazinamide

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10
Q

Side effects of Ethambutol

A

used in TB therapy for 2 months
causes optic neuritis/ yellowing of vision

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11
Q

Side effects of isoniazid

A

Used in TB therapy for 6 months
causes peripheral neuropathy in pt who are high risk: DM, alcohol, renal failure
tx: 10mg pyridoxine - B6

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12
Q

Side effects of Rifamipicin

A

TB therapy for 6 months
causes orange red URINE

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13
Q

G-CSF

A

granulocyte- colony stimulating factor
- growth factor
- improves neutrophil count
- routinely used after intensive chemo

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14
Q

IL-3

A

stimulates differentiation of multi-potent hematopoietic stem cells into myeloid progenitor cells

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15
Q

Ethambutol toxicity

A

Hyperuricemia
Visual disturbance due to optic nerve neuropathy
MOSTA COMMON TB TOXICITY

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16
Q

Isoniazid toxicity

A

Hepatic impairment
Psychosis
Suicidal ideation
Rarely visual disturbance

17
Q

Pyrizinamide

A

Gout
Hepatotoxic
NO visual disturbance

18
Q

What is the mechanism of sumatriptan

A

5-hydroxytyptamine- 1d receptor agonist (5HT1 AGONIST).
Specific and seletive.
Mediates vasoconstriction in cranial blood vessels

19
Q

What are the two uses of sumatriptans

A

Migrane (vasocontriction) and trigeminal neuralgia - (reduce nerve activity)