Carbachol

20 interactions 2 explained in plain English
Also sold as: Isopto Carbachol Miostat
Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Jul 4, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Moderate

Carbachol Acetaminophen And Codeine Capital® & Codeine Explained An increased risk of CNS depression Details Carbachol Buprenorphine Belbuca Explained An increased risk of CNS depression Details Carbachol Aripiprazole Injection Abilify An increased risk of CNS depression Details Carbachol Asenapine Transdermal Patch Secuado An increased risk of CNS depression Details Carbachol Butorphanol Injection Butorphic An increased risk of CNS depression Details Carbachol Butorphanol Nasal Spray Stadol® NS An increased risk of CNS depression Details Carbachol Cetirizine Injection Aller-Tec An increased risk of CNS depression Details Carbachol Cetirizine Ophthalmic Zerviate An increased risk of CNS depression Details Carbachol Diazepam Nasal Spray Valtoco An increased risk of CNS depression Details Carbachol Diazepam Rectal Diastat An increased risk of CNS depression Details Carbachol Diphenhydramine Injection Banophen An increased risk of CNS depression Details Carbachol Diphenhydramine Topical Afterbite with Antihistamine An increased risk of CNS depression Details Carbachol Esketamine Nasal Spray Spravato An increased risk of CNS depression Details Carbachol Fentanyl Transdermal Patch Duragesic® An increased risk of CNS depression Details Carbachol Hydromorphone Injection Dilaudid An increased risk of CNS depression Details Carbachol Hydromorphone Rectal available generically An increased risk of CNS depression Details Carbachol Midazolam Nasal Spray Nayzilam An increased risk of CNS depression Details Carbachol Midazolam Injection Nayzilam An increased risk of CNS depression Details Carbachol Morphine Injection Astramorph® PF An increased risk of CNS depression Details Carbachol Nalbuphine Injection Nubain® An increased risk of CNS depression Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.