MedlinePlus: Cromolyn Sodium Oral Inhalation
- Provides information on usage, precautions, side effects and brand names when available. Data provided by various government agencies and health-related organizations.
- http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a601042.html

MedlinePlus: Cromolyn Sodium Nasal Solution
- Provides information on usage, precautions, side effects and brand names when available. Data provided by various government agencies and health-related organizations.
- http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a682713.html

Opticrom
- Full prescribing information from RxList.
- http://www.rxlist.com/cgi/generic2/cromolynopth.htm

Nasalcrom
- Full prescribing information from RxList.
- http://www.rxlist.com/cgi/generic/cromnas.htm

Intal
- Full prescribing information from RxList.
- http://www.rxlist.com/cgi/generic2/cromolyn.htm