Inhibitors/Inducers Flashcards

1
Q
Inducers
Phenobarbital [1A2, 2C8, 3A4]
Phenytoin [2C9, 3A4]
Carbamazepine [2C9, 3A4]
Rifampin [1A2, 2C9, 2C18, 3A4]
Ethanol [2E1]
St. John’s Wort [3A4]
Tobacco / marijuana smoke (not nicotine) [1A2]
Inhibitors
Cimetidine [2D6, 3A4, 1A2]
Erythromycin / Clarithromycin [1A2, 3A4] Antifungal agents (Ketoconazole [3A4], Itraconazole) Omeprazole [2C19]
Grapefruit juice [3A4]
Fluoxetine (and other SSRIs) [2D6, 3A4]
A

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2
Q

Phenobarbital

A

3A4 inducer

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3
Q

Phenytoin

A

3A4 inducer

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4
Q

Carbamazepine

A

3A4 inducer

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5
Q

Ethanol

A

2E1 inducer

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6
Q

St. John’s Wort

A

3A4 inducer

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7
Q

Tobacco/marijuana smoke (not nicotine)

A

1A2 inducer

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8
Q

Cimetidine

A

2D6, 3A4 inhibitor

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9
Q

Erythromycin / Clarithromycin

A

3A4 inhibitor

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10
Q

Antifungal agents (Ketoconazole, Itraconazole)

A

3A4 inhibitor

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11
Q

Omeprazole

A

2C19 inhibitor

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12
Q

Grapefruit juice

A

3A4 inhibitor

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13
Q

Fluoxetine (and other SSRIs)

A

2D6, 3A4 inhibitor

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14
Q

3A4 inhibitors

A

A cute Gentleman “Cipped” Iced Grapefruit juice Quickly And Kept Munching on Soft Cinammon Rolls

Acute alcohol abuse 
Gemfibrozil 
Ciprofloxacin 
Isoniazid 
Grapefruit juice 
Quinidine 
Amiodarone 
Ketoconazole 
Macrolides 
Sulfonamides 
Cimetidine 
Ritonavir
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15
Q

3A4 inducers

A

Chronic alcoholic Mona Steals Phen-Phen and Never Refuses Greasy Carbs

Chronic alcohol use 
Modafinil
St. John’s wort 
Phenytoin 
Phenobarbital 
Nevirapine 
Rifampin 
Griseofulvin 
Carbamazepine
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16
Q

Azole antifungals

A

Inhibitor

17
Q

HIV protease inhibitors

A

Inhibitor

18
Q

Rifampin (also what common medication does this affect?)

A

Inducer. Increases clearance of oral contraceptive. May lead to unintended pregnancy.