Compare Cromolyn vs. Sulfasalazine

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Intal (Cromolyn)

Prescription or OTC
Relieves nasal allergy symptoms.

Intal (Cromolyn) is a good option to relieve nasal allergy symptoms when antihistamines aren't working. Good choice for pregnant women.

Reduces inflammation.

Azulfidine (Sulfasalazine) is used to treat moderate to severe inflammatory bowel conditions. It's also used with other medicines to treat rheumatoid arthritis.

Upsides
  • Treats nasal allergy symptoms.
  • Most people don't have many side effects since it works in the nose and doesn't affect the rest of your body.
  • It's a good option for pregnant women. Can also be used for kids 2 years and older.
  • Doesn't make you drowsy or dizzy.
  • No prescription is needed.
  • Can slow down the progression of your rheumatoid arthritis.
  • Helps control your stomach problems if you're taking it for ulcerative colitis.
Downsides
  • Needs to be used regularly for at least a week to see any good effects.
  • Can have an unpleasant smell or taste.
  • Can cause headaches, or burning and stinging in your nose.
  • Requires constant lab monitoring, at least every other week when you first start using it.
  • Not a good option if you have kidney or liver disease.
  • If you're allergic to sulfa drugs or aspirin, you can't take Azulfidine (Sulfasalazine).
  • Can interfere with lab test results, so let your doctor know if you're taking this drug.
  • Interacts with a lot of different drugs and can also cause many side effects.
Used for
Dosage forms
  • Nasal spray
  • Pill
  • Extended release
Price
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Reviews
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Side effects
The Intal (Cromolyn) FDA package insert doesn’t have numbers about how common side effects are.
8possible side effects
  • Nausea
    19%
  • Stomach problems
    13%
  • Rash
    13%
  • Headache
    9%
  • Stomach pain
    8%
  • Vomiting
    8%
  • Fever
    5%
  • Dizziness
    4%
See more detailed side effects
Risks and risk factors
No information currently available
  • Kidney, liver, or blood problems
  • Serious skin reactions
  • Serious allergic reactions
  • Serious infections
  • Drug interactions
See more detailed risks and warnings