Terbutaline

Question 1

Terbutaline- class

Answer 1

Sympathomimetic bronchodilator

Question 2

Terbutaline- MOA

Answer 2

Selective Beta 2 adrenergic agonist. Relaxes bronchial, vascular, and systemic smooth muscle. Suppresses preterm labor.

Question 3

Terbutaline- indications

Answer 3

Bronchospasms. Preterm labor.

Question 4

Terbutaline- contraindications

Answer 4

Hypersensitivity, tachyarrhytmias

Question 5

Terbutaline-adverse reactions

Answer 5

Restlessness, apprehension, palpitations, tachycardia, chest pain, cough, nausea, facial flushing.

Question 6

Terbutaline- drug interactions

Answer 6

Cardiovascular effects exacerbated by other sympathomimetics. MAOIs May potentiate arrhythmias. Beta blockers may antagonize.

Question 7

Terbutaline-dosage

Answer 7

Adult: 0.25 mg SC, may repeat in 15-30 mins. Max dose of 0.5 mg in 4 hours.

Ped: not for under 12 years. 0.01 mg/kg dose SC. Repeat 15-20 minutes PRN to maximum dose of 0.25 mg

Question 8

Terbutaline-Duration of action

Answer 8

Onset: 15-30 mins
Peak: Variable
Duration: 1.5 to 4 hours

Question 9

Terbutaline- special considerations

Answer 9

Use with caution in patients with underlying cardiovascular disease or hypertension

Question 10

Terbutaline- pregnancy category

Answer 10

C

Question 11

Terbutaline-How supplied

Answer 11

1 mg/ 1 mL ampule or vial