Informational only — Not medical advice. Always consult a licensed healthcare provider.

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Other brands with the same active ingredient

These brands contain the same active ingredient (Dicycloverine Hydrochloride). Strength and form may differ — confirm substitution with your doctor or pharmacist before switching.

Available as: 10 mg/5 ml · 50 ml bottle

Indications & Uses

Dirin is indicated for:

Dosage Reference

Reference Information Only

Dosages shown are general references from official sources. Always consult your doctor or pharmacist for personalized dosing.

Adults:

For oral dosage forms: Adults should take 10 to 20 mg three times a day. Children over 6 months of age should take 5 to 10 mg three times a day. For the injectable dosage form, it is given to adults by intramuscular injection only and must not be used intravenously. The recommended intramuscular dose is 80 mg daily, divided into 4 equal doses. Oral Dicycloverine Hydrochloride should be started as soon as possible, and the intramuscular form should not be used for longer than 1 or 2 days. For children, the dose must be determined by the doctor.

Side Effects

Insomnia, mydriasis, cycloplegia, raised eye pressure, difficulty urinating, palpitations, and breathlessness.

Cautions & Contraindications

Warnings & Precautions

Use with caution in patients who have autonomic neuropathy, liver or kidney disease, ulcerative colitis, coronary heart disease, congestive heart failure, cardiac tachyarrhythmia, a hiatal hernia, or known or suspected prostate enlargement.

Last updated: 20 Aug 2026