DRUG INTERACTIONS: No drug interactions have been described with cromolyn.

PREGNANCY: Little cromolyn crosses the placenta, and animal studies have not shown adverse effects of cromolyn on the fetus.

NURSING MOTHERS: Little cromolyn is secreted into breast milk.

SIDE EFFECTS: In general, cromolyn is well- tolerated, and side effects usually are limited to the site of application. Increased spasm of the breathing tubes, throat irritation, and cough are the most common side effects from oral inhalation of cromolyn. Taking a beta-adrenergic bronchodilator prior to the cromolyn can prevent these side effects.

Cromolyn intranasal spray can produce sneezing and nasal irritation, but these effects generally are short-lived following each application.

Use of cromolyn eye drops can produce irritation of the eye. This effect also is generally short-lived.

Reference: FDA Prescribing Information

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