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Cromolyn, Theophylline and Phosphodiesterase Inhibitors

Last Updated March 2026

Generic Name

Brand Name

Use

Usual
Dosage

Cromolyn Sodium

Generic
Cromolyn
Nebulizer
Solution

Prevent and reduce
the symptoms of asthma.

Age 2 and older.

One 20 mg
 unit-dose
 vial
4 times
a day.

Ohtuvayre

Ensifentrine
Ensifentrine Website

Maintenance treatment of COPD

Twice daily inhalation via nebulizer for the treatment of COPD.

Roflumilast

Daliresp
Daliresp Website

Maintenance treatment of COPD

500 mg once a day

Theophylline,
Sustained release
Tablets
and
Capsules

Multiple products:
Uniphyl
As well as
generic versions

Long-term control and prevention of symptoms,
especially nocturnal symptoms.

Any age.

Variable
in each
individual
based upon
weight.


PDF Version of Chart


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