Note: This document contains side effect information about cromolyn. Some of the dosage forms listed on this page may not apply to the brand name Gastrocrom.
Applies to cromolyn: inhalation solution
Other dosage forms:
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:
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:
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.
Applies to cromolyn: compounding powder, inhalation aerosol with adapter, inhalation solution, nasal spray, oral capsule, oral solution
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.
Postmarketing reports: Anaphylaxis, laryngeal edema
Frequency not reported: Pharyngitis, dyspnea, cough, nasal congestion, sneezing, wheezing, nasal itching, nose bleed, nose burning
Postmarketing reports: Bronchospasm, pulmonary infiltrates with eosinophilia, hoarseness
Frequency not reported: Polycythemia, neutropenia, pancytopenia
Postmarketing reports: Anemia
Postmarketing reports: Dysuria, urinary frequency
Rare (less than 0.1%): Pruritus, rash
Frequency not reported: Urticaria/angioedema, erythema/burning, photosensitivity, purpura
Postmarketing reports: Photodermatitis, exfoliative dermatitis
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
Frequency not reported: Abnormal hepatic function test
Frequency not reported: Flushing, tachycardia, premature ventricular contractions, palpitations, chest pain
Postmarketing reports: Periarteritic vasculitis, pericarditis
Rare (less than 0.1%): Myalgia
Frequency not reported: Arthralgia, stiffness/weakness of legs, lupus erythematosus syndrome
Postmarketing reports: Joint swelling and pain, polymyositis
Rare (0.01% to 0.1%): Headache
Frequency not reported: Dizziness, hypoesthesia, paresthesia, migraine, convulsions
Postmarketing reports: Peripheral neuritis
Frequency not reported: Psychosis, anxiety, depression, hallucinations, behavior change, insomnia, nervousness
Frequency not reported: Fatigue, malaise, tinnitus
Postmarketing reports: Vertigo
Postmarketing reports: Lacrimation
Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.
Source: Drugs.com Gastrocrom