Intal Side Effects
Generic Name: cromolyn
Note: This page contains information about the side effects of cromolyn. Some of the dosage forms included on this document may not apply to the brand name Intal.
For the Consumer
Applies to cromolyn: inhalation aerosol liquid, inhalation aerosol powder, inhalation capsule, inhalation solution
Other dosage forms:
In addition to its needed effects, some unwanted effects may be caused by cromolyn (the active ingredient contained in Intal). In the event that any of these side effects do occur, they may require medical attention.
If any of the following side effects occur while taking cromolyn, check with your doctor or nurse as soon as possible:Rare:
- Difficulty in swallowing
- increased wheezing or difficulty in breathing
- itching of skin
- low blood pressure
- shortness of breath
- swelling of face, lips, or eyelids
- tightness in chest
Some of the side effects that can occur with cromolyn may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:More common:
- 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
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]
Postmarketing reports: Anaphylaxis, laryngeal edema[Ref]
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]
Frequency not reported: Polycythemia, neutropenia, pancytopenia
Postmarketing reports: Anemia[Ref]
Postmarketing reports: Dysuria, urinary frequency[Ref]
Rare (less than 0.1%): Pruritus, rash
Frequency not reported: Urticaria/angioedema, erythema/burning, photosensitivity, purpura
Postmarketing reports: Photodermatitis, exfoliative dermatitis[Ref]
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]
Frequency not reported: Abnormal hepatic function test[Ref]
Frequency not reported: Flushing, tachycardia, premature ventricular contractions, palpitations, chest pain
Postmarketing reports: Periarteritic vasculitis, pericarditis[Ref]
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]
Rare (0.01% to 0.1%): Headache
Frequency not reported: Dizziness, hypoesthesia, paresthesia, migraine, convulsions
Postmarketing reports: Peripheral neuritis[Ref]
Frequency not reported: Psychosis, anxiety, depression, hallucinations, behavior change, insomnia, nervousness[Ref]
Frequency not reported: Fatigue, malaise, tinnitus
Postmarketing reports: Vertigo[Ref]
Postmarketing reports: Lacrimation[Ref]
1. "Product Information. Cromolyn Sodium (cromolyn (sodium cromoglycate))." Teva Pharmaceuticals (formerly IVAX), Miami, FL.
2. Cerner Multum, Inc. "Australian Product Information." O 0
3. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
4. "Product Information. Gastrocrom (cromolyn (sodium cromoglycate))." Celltech Pharmaceuticals Inc, Rochester, NY.
Not all side effects for Intal may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
More about Intal (cromolyn)
- Other brands: Gastrocrom
Related treatment guides
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