Antihistamines

Question 1

What are antihistamines indicated for? (4)

Answer 1

• conjunctivitis (olopatadine)
• seasonal and perennial allergies
• urticaria
• pruritus

Question 2

What is olopatadine indicated for?

Answer 2

allergic conjunctivitis

Question 3

What are antihistamines contraindicated in?

Answer 3

patients with hypersensitivity

Question 4

What is bilastine contraindicated in?

Answer 4

patients with history of QT prolongation and/or tosade de pointes

Question 5

What is dymista contraindicated in?

Answer 5

patients with untreated fungal or bacterial infections of the respiratory tract

Question 6

olopatadine (3)

Answer 6

antiallergic

• Patanol*
• Pataday*
• Pazeo

Question 7

Dosage Forms and Strengths

Patanol (1)

Answer 7

ophthalmic soln: 0.1% w/v

Question 8

Dosage Forms and Strengths

Pataday (1)

Answer 8

ophthalmic soln: 0.2% w/v

Question 9

Dosage Forms and Strengths

Pazeo (1)

Answer 9

ophthalmic soln: 0.7% w/v

Question 10

cetirizine (1)

Answer 10

antihistamine

• Reactine**

Question 11

Dosage Forms and Strengths

Reactine (4)

Answer 11

• tabs: 5 (generic not available), 10, 20 mg
• orally disintegrating tabs: 10 mg
• liquid gel caps: 10 mg
• syrup: 5 mg/5 mL

Question 12

diphenhydramine (1)

Answer 12

antihistamine

• Benadryl**

Question 13

Dosage Forms and Strengths

Benadryl (4)

Answer 13

• cplts, caps: 25, 50 mg (generic not available for cplts)
• chewable tabs: 12.5 mg (generic not available)
• liquid: 6.25 mg/5 mL (generic not available), 12.5 mg/5 mL
• cream: 2% w/w (generic not available)

Question 14

Dosage Forms and Strengths

Generic Diphenhydramine (3)

Answer 14

• tabs, caps: 25, 50 mg)
• liquid: 12.5 mg/5 mL
• injectable: 50 mg/mL

Question 15

fexofenadine (1)

Answer 15

antihistamine

• Allegra

Question 16

Dosage Forms and Strengths

Allegra (1)

Answer 16

tabs: 60, 120 mg

Question 17

loratadine (2)

Answer 17

antihistamine

• Allertin
• Claritin**

Question 18

Dosage Forms and Strengths

Claritin (4)

Answer 18

generic available for tabs only

• tabs: 5, 10 mg
• liquid gel caps: 10 mg
• orally disintegrating tabs: 5, 10 mg
• syrup: 5 mg/5 mL

Question 19

Dosage Forms and Strengths

Allertin (1)

Answer 19

caps: 10 mg

Question 20

desloratadine (1)

Answer 20

antihistamine

• Aerius

Question 21

Dosage Forms and Strengths

Aerius (2)

Answer 21

• tabs: 2.5, 5 mg
• syrup: 0.5 mg/mL

Question 22

bilastine (1)

Answer 22

antihistamine

• Blexten

Question 23

Dosage Forms and Strengths

Blexten (2)

Answer 23

• tabs: 10, 20 mg
• liquid: 2.5 mg/mL

Question 24

rupatadine (1)

Answer 24

antihistamine

• Rupall

Question 25

Dosage Forms and Strengths

Rupall (2)

Answer 25

• tabs: 10 mg
• liquid 1 mg/mL

Question 26

azelastine / fluticasone proprionate (1)

Answer 26

antihistamine – corticosteroid for nasal use

• Dymista*

Question 27

Dosage Forms and Strengths

Dymista (1)

Answer 27

suspension: 137µg azelastine, 50µg fluticasone/metered spray