Cysteamine interactions

Cysteamine (Cystagon, Procysbi) has 15 documented interactions across the FDA labels and fact sheets we index: 1 major, 1 moderate, 11 minor, and 2 where a label reports no significant interaction. Each entry below quotes the sentence behind it. This drug page is a starting point, not a verdict for your situation.

Interactions from the label

Major interactions (1)

  • The use of PROCYSBI is contraindicated in patients with a serious hypersensitivity reaction, including anaphylaxis, to penicillamine or cysteamine. (Cysteamine label, Contraindications)

Moderate interactions (1)

  • AlcoholAlcoholModerate

    Use with Alcohol Consumption of alcohol with PROCYSBI may increase the rate of cysteamine release and/or adversely alter the pharmacokinetic properties, as well as the effectiveness and safety of PROCYSBI. (Cysteamine label, Drug interactions)

Minor mentions (11)

  • Calcipotrienevitamin D analogMinor

    Other Medications Used for the Management of Fanconi Syndrome PROCYSBI can be administered with other electrolyte and mineral replacements necessary for management of Fanconi syndrome, as well as vitamin D and thyroid hormone. (Cysteamine label, Drug interactions)

  • Calcitriolvitamin D analogMinor

    Other Medications Used for the Management of Fanconi Syndrome PROCYSBI can be administered with other electrolyte and mineral replacements necessary for management of Fanconi syndrome, as well as vitamin D and thyroid hormone. (Cysteamine label, Drug interactions)

  • Doxercalciferolvitamin D analogMinor

    Other Medications Used for the Management of Fanconi Syndrome PROCYSBI can be administered with other electrolyte and mineral replacements necessary for management of Fanconi syndrome, as well as vitamin D and thyroid hormone. (Cysteamine label, Drug interactions)

  • Levothyroxinethyroid hormoneMinor

    Other Medications Used for the Management of Fanconi Syndrome PROCYSBI can be administered with other electrolyte and mineral replacements necessary for management of Fanconi syndrome, as well as vitamin D and thyroid hormone. (Cysteamine label, Drug interactions)

  • Levothyroxine and liothyroninethyroid hormoneMinor

    Other Medications Used for the Management of Fanconi Syndrome PROCYSBI can be administered with other electrolyte and mineral replacements necessary for management of Fanconi syndrome, as well as vitamin D and thyroid hormone. (Cysteamine label, Drug interactions)

  • Liothyroninethyroid hormoneMinor

    Other Medications Used for the Management of Fanconi Syndrome PROCYSBI can be administered with other electrolyte and mineral replacements necessary for management of Fanconi syndrome, as well as vitamin D and thyroid hormone. (Cysteamine label, Drug interactions)

  • Methimazoleantithyroid drugMinor

    Other Medications Used for the Management of Fanconi Syndrome PROCYSBI can be administered with other electrolyte and mineral replacements necessary for management of Fanconi syndrome, as well as vitamin D and thyroid hormone. (Cysteamine label, Drug interactions)

  • Paricalcitolvitamin D analogMinor

    Other Medications Used for the Management of Fanconi Syndrome PROCYSBI can be administered with other electrolyte and mineral replacements necessary for management of Fanconi syndrome, as well as vitamin D and thyroid hormone. (Cysteamine label, Drug interactions)

  • Propylthiouracilantithyroid drugMinor

    Other Medications Used for the Management of Fanconi Syndrome PROCYSBI can be administered with other electrolyte and mineral replacements necessary for management of Fanconi syndrome, as well as vitamin D and thyroid hormone. (Cysteamine label, Drug interactions)

  • Teriparatidethyroid hormoneMinor

    Other Medications Used for the Management of Fanconi Syndrome PROCYSBI can be administered with other electrolyte and mineral replacements necessary for management of Fanconi syndrome, as well as vitamin D and thyroid hormone. (Cysteamine label, Drug interactions)

  • Vitamin DVitamin and mineralMinor

    Other Medications Used for the Management of Fanconi Syndrome PROCYSBI can be administered with other electrolyte and mineral replacements necessary for management of Fanconi syndrome, as well as vitamin D and thyroid hormone. (Cysteamine label, Drug interactions)

No significant interaction reported (2)

  • Omeprazoleproton pump inhibitorNo interaction

    Concomitant administration of 20 mg omeprazole did not affect the pharmacokinetics of cysteamine when PROCYSBI was administered with 240 mL of orange juice or with 240 mL of water [see Clinical Pharmacology (12.3) ]. (Cysteamine label, Drug interactions)

  • Omeprazole and sodium bicarbonateproton pump inhibitorNo interaction

    Concomitant administration of 20 mg omeprazole did not affect the pharmacokinetics of cysteamine when PROCYSBI was administered with 240 mL of orange juice or with 240 mL of water [see Clinical Pharmacology (12.3) ]. (Cysteamine label, Drug interactions)

Check Cysteamine against everything you take. Add your full list; every pair is checked at once.

Open in the checker

Not medical advice. Severity reflects the label's wording, not your circumstances. A "major" flag can be routine under supervision and a "minor" one can matter at high doses. Ask a pharmacist.