Oral H1 Blockers

First-generation*

Available only as combination products with a decongestant or an antitussive, which are not recommended for children < 6 years

4-, 8-, and 12-mg tablets

2 mg/5 mL elixir

8- and 12-mg tablets (sustained-release, single-entity)

Available only as combination products with a decongestant or an antitussive, which are not recommended for children < 6 years

2-mg chewable tablets

4-, 8-, and 12-mg tablets

Extended-release: 12-mg tablets or capsules

2 mg/5 mL syrup

1.34- and 2.68-mg tablets

0.67 mg/5 mL syrup

4-mg tablets

2 mg/5 mL syrup

2-mg tablets

2 mg/5 mL syrup

4- and 6-mg tablets (extended-release)

25- and 50-mg capsules or tablets

12.5-mg chewable tablet

12.5 mg/5 mL elixir

12.5 mg/mL syrup

25-, 50-, and 100-mg capsules

10-, 25-, 50-, and 100-mg tablets

10 mg/5 mL syrup

25 mg/5 mL oral suspension

Safer alternatives preferred for allergic disorders in children

12.5-, 25-, and 50-mg tablets

6.25 mg/5 mL and 25 mg/5 mL syrup

Second-generation

5- and 10-mg tablets

1 mg/mL syrup

5-mg tablets

0.5 mg/mL syrup

30-, 60-, and 180-mg tablets

30-mg orally disintegrating tablets

6 mg/mL oral suspension

5-mg tablets

0.5 mg/mL oral solution

10-mg tablets and capsules

5-mg chewable tablets

5- and 10-mg disintegrating oral tablets

1 mg/mL syrup

1 mg/mL oral solution

Mizolastine

10-mg tablets