Pilocarpine, Physostigmine
Phenohytro is a brand-name medication typically containing a combination of an anticholinergic agent and a barbiturate. It is primarily used to treat gastrointestinal and urinary tract conditions characterized by spasms, such as irritable bowel syndrome and bladder spasms. The medication works by relaxing smooth muscles and reducing excessive secretions in the digestive and urinary systems.
Phenohytro is an anticholinergic-barbiturate combination used to relieve spasms and cramps in the gastrointestinal and urinary tracts.
Key facts at a glance
- RxNorm
- 1739882
- Generic
- Phenohytro
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treats conditions involving smooth muscle spasms including irritable bowel syndrome, peptic ulcers, biliary colic, urinary frequency and urgency, and夜尿 (nocturia). May also be used for certain respiratory conditions with excessive secretions.
Combines anticholinergic properties (reducing smooth muscle contractions and secretions) with barbiturate effects (providing sedation and anxiolysis). This dual mechanism addresses both the physical spasms and associated anxiety/discomfort.
May cause drowsiness, dry mouth, blurred vision, and constipation. Use with caution in patients with glaucoma, urinary retention, or myasthenia gravis. Avoid alcohol and operate machinery until aware of effects. May interact with other anticholinergics, CNS depressants, and certain antidepressants. Full effect may take several days of regular use.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy