If you are:
Only When Necessary: CAUTION WITH USE; RISK OF PLATELET AGGREGATION IN NEWBORN
Precaution: LIMITED AMOUNT MAY BE EXCRETED DUE TO LOW MW; MONITOR INFANT FOR RESP DEPRESS
An adult over 60:
management or monitoring precaution: Neuro/Psych-Anticholinergic effects may cause sedation, worsen cognitive impairment and increase fall risk. Gastrointestinal-May cause or worsen pre-existing constipation. Genitourinary-Best avoided in patients with urinary retention from any cause.
Giving promethazine HCL to a child under 12:
Contraindication: Potential for fatal respiratory depression age < 2 years. Avoid use.
Severe Precaution: Caution:use the lowest effective dose due to risk of respiratory depression.