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Description

Generic Name

Carbamoylcholine chloride (Carbachol)

Chemical names

2-[(Aminocarbonyl)oxy]-N,N,N-trimethylethanaminium chloride

Brand names

Miostat

IUPAC name

2-(trimethylazaniumyl) ethyl carbamate chloride

Pharmacokinetics

Not well absorbed in the gastro-intestinal tract, and does not cross the blood-brain barrier.

Actions

Carbachol has profound effects on both the cardiovascular system and the gastrointestinal system because of its ganglion-stimulating activity, and it may first stimulate and then depress these systems. It can cause release of epinephrine from the adrenal medulla by its nicotinic action. Locally instilled into the eye, it mimics the effects of acetylcholine, causing miosis and a spasm of accommodation in which the ciliary muscle of the eye remains in a constant state of contraction

Dosage/Dosage form

Oral - Urinary retention

Adult: 2 mg tid.

  • Intraocular
  • Miosis during surgery


Adult: Instill up to 0.5 ml of a 0.01% solution into the anterior chamber.

  • Intraocular
  • Reduction of postoperative rises in intraocular pressure

Adult: Instill up to 0.5 ml of a 0.01% solution into the anterior chamber.

  • Subcutaneous
  • Acute symptoms of postoperative urinary retention

Adult: 250 mcg, repeat twice if necessary at 30-min intervals.

  • Ophthalmic
  • Glaucoma

Adult: 1-2 drops of a 0.75-3% solution up to 4 times daily, usually in conjunction with other miotics.

Therapeutic uses

As miotic agent to treat glaucoma by causing pupillary contraction and a decrease in intraocular pressure.

Adverse effects/Side effects

Nausea, abdominal pain, sweating, vomiting, flushing, salivation, diarrhea, eructation, headache, urinary frequency, blurred vision, myopia, conjunctival vascular congestion, ocular burning, itching.

Interaction

NSAIDs.

Contraindications

During pregnancy, Cardiac diseases, Asthma, Peptic ulcer

Storage

Store at Room Temperature. Store under desiccating conditions. The product can be stored for up to 12 months.

Information

Molecular weight

182.65

Molecular formula

C6H15ClN2O2

CAS number

51-83-2

Precautions

Parkinson's disease, Hypertension