Singulair
Overview
- About Singulair
Possible food and drug interactions when taking Singulair
Return to topIf Singulair is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Singulair with phenobarbital or rifampin.
Special information if you are pregnant or breastfeeding
Return to topSingulair should be used during pregnancy only if clearly needed. If you are pregnant or plan to become pregnant, inform your doctor immediately.
It is not known whether Singulair appears in breast milk. Because many drugs do make their way into breast milk, use Singulair with caution if you are breastfeeding.
Recommended dosage for Singulair
Return to topADULTS AND CHILDREN 15 AND OVER
Asthma
The usual dose is one 10-milligram tablet once a day in the evening.
Allergies
The usual dose is one 10-milligram tablet once a day taken at any time.
CHILDREN 6 TO 14 YEARS OLD
Asthma
The usual dose is one 5-milligram chewable tablet once a day in the evening.
Allergies
The usual dose is one 5-milligram chewable tablet once a day taken at any time.
CHILDREN 2 TO 5 YEARS OLD
Asthma
The dosage is one 4-milligram chewable tablet or one packet of 4-milligram oral granules per day, taken in the evening.
Allergies
The dosage is one 4-milligram chewable tablet or one packet of 4-milligram oral granules per day, taken at any time.
CHILDREN 12 TO 23 MONTHS OLD
Asthma
The dosage is one packet of 4-milligram oral granules taken once a day in the evening.
The safety and effectiveness of Singulair for treating asthma in children less than 12 months old have not been studied.
CHILDREN 6 TO 23 MONTHS OLD
Allergies (perennial only)
The dosage is 1 packet of 4-milligram oral granules once a day, taken at any time.
The safety and effectiveness of Singulair for treating perennial allergies in children less than 6 months old have not been studied.
Overdosage
Return to topLittle is known about the effects of Singulair overdose. However, any medication taken in excess can have serious consequences. If you suspect an overdose, seek medical attention immediately.






