Drug Interactions Part B

Question 1

Prolongs the action of Penicillin

Answer 1

Probenecid

Question 2

It’s more difficult to treat an anaphylactic reaction to an antibiotic if you’re taking this drug

Answer 2

Beta blockers

Question 3

The “protective effect” of birth control pills can be lost when what are taken at the same time?

Answer 3

Broad spectrum antibiotics

Question 4

Erythromycin is associated with which adverse effect?

Answer 4

Cardiac toxicity

Question 5

Erythromycin causes cardiac toxicity when taken with which drugs?

Answer 5

• Verapamil and Diltiazem
• Anti-depressants
• Azole antifungals

Question 6

Max dose of epi in a healthy patient

Answer 6

0.2 mg

Question 7

Max dose of epi in a cardiac patient

Answer 7

0.04 mg

Question 8

Tricyclic antidepressants have drug interactions with what?

Answer 8

Epinephrine

Question 9

An increased heart rate and a decrease in BP occurs when thse two drugs are combined.

Answer 9

Beta blockers and Epi

Question 10

How does epi increase blood glucose?

Answer 10

It inhibits glucose uptake by peripheral tissues.

Promotes glycogenonlysis.

Question 11

Antihypertensives reduce the effects of ____________, which increases the effect of epi, so you can get severe hypertension.

Answer 11

Guanethedine

Question 12

Lithium taken with anticonvulsants may decrease the effect of ________.

Answer 12

epi

Question 13

Can cause extrapyramidal stimulation.

Answer 13

Phenothiazines

Question 14

Increases bleeding when taken with anticoagulants.

Answer 14

Garlic

Question 15

This sensitizes the heart to dysrhythmia to local anesthetics.

Answer 15

Cocaine