Note: This document contains side effect information about cromolyn. Some dosage forms listed on this page may not apply to the brand name Gastrocrom.
Applies to cromolyn: inhalation solution. Other dosage forms:
- oral solution
Serious side effects of Gastrocrom
Along with its needed effects, cromolyn (the active ingredient contained in Gastrocrom) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor as soon as possible if any of the following side effects occur while taking cromolyn:
Rare
- Difficulty in swallowing
- hives
- increased wheezing or difficulty in breathing
- itching of skin
- low blood pressure
- shortness of breath
- swelling of face, lips, or eyelids
- tightness in chest
Other side effects of Gastrocrom
Some side effects of cromolyn may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common
- Coughing
- nausea
- throat irritation or dryness
If you are using the cromolyn inhalation aerosol, you may notice an unpleasant taste. This may be expected and will go away when you stop using the medicine.
For Healthcare Professionals
Applies to cromolyn: compounding powder, inhalation aerosol with adapter, inhalation solution, nasal spray, oral capsule, oral solution.
General
Adverse reactions following use of this drug are rare; headache and diarrhea have been reported following oral use, while cough, nasal congestion, sneezing and wheezing have been reported with oral inhalation.[Ref]
Hypersensitivity
Postmarketing reports: Anaphylaxis, laryngeal edema[Ref]
Respiratory
Frequency not reported: Pharyngitis, dyspnea, cough, nasal congestion, sneezing, wheezing, nasal itching, nose bleed, nose burning
Postmarketing reports: Bronchospasm, pulmonary infiltrates with eosinophilia, hoarseness[Ref]
Hematologic
Frequency not reported: Polycythemia, neutropenia, pancytopenia
Postmarketing reports: Anemia[Ref]
Genitourinary
Postmarketing reports: Dysuria, urinary frequency[Ref]
Dermatologic
Rare (less than 0.1%): Pruritus, rash
Frequency not reported: Urticaria/angioedema, erythema/burning, photosensitivity, purpura
Postmarketing reports: Photodermatitis, exfoliative dermatitis[Ref]
Gastrointestinal
Rare (0.01% to 0.1%): Abdominal pain, nausea,
Frequency not reported: Diarrhea, constipation, dyspepsia, flatulence, glossitis, stomatitis, vomiting, dysphagia, oesophagospasm, unpleasant taste, stomachache, mild throat irritation
Postmarketing reports: Swollen parotid gland[Ref]
Hepatic
Frequency not reported: Abnormal hepatic function test[Ref]
Cardiovascular
Frequency not reported: Flushing, tachycardia, premature ventricular contractions, palpitations, chest pain
Postmarketing reports: Periarteritic vasculitis, pericarditis[Ref]
Musculoskeletal
Rare (less than 0.1%): Myalgia
Frequency not reported: Arthralgia, stiffness/weakness of legs, lupus erythematosus syndrome
Postmarketing reports: Joint swelling and pain, polymyositis[Ref]
Nervous system
Rare (0.01% to 0.1%): Headache
Frequency not reported: Dizziness, hypoesthesia, paresthesia, migraine, convulsions
Postmarketing reports: Peripheral neuritis[Ref]
Psychiatric
Frequency not reported: Psychosis, anxiety, depression, hallucinations, behavior change, insomnia, nervousness[Ref]
Other
Frequency not reported: Fatigue, malaise, tinnitus
Postmarketing reports: Vertigo[Ref]
Ocular
Postmarketing reports: Lacrimation[Ref]
