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General Information on Hyoscyamine

Generic Name : Hyoscyamine

Pronunciation : hye oh sye' a meen

Latest prescription information about Hyoscyamine. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, its storage instructions and warnings if any when taken during pregnancy. Also listed are the International and Indian trade name(s) of the drug and its price list.
ICD Code : Y55.1 | Therapeutic Classification : Antispasmodics / Gi Motility

Trade Names/Brand Names of Hyoscyamine

India : 

International : 

Anaspaz, Cystospaz, Cystospaz-M, Hyosol, SL Hyospaz, Levbid, Levsin, Levsin, Drops Levsin, Levsinex, Timecaps, NuLev

Why is Hyoscyamine Prescribed? (Indications)

This medication is an anticholinergic agent, used as pain killer (Belladonna alkaloid). It blocks cardiac vagal inhibitory reflexes during anesthesia induction and intubation, used to relax muscles. 

What is the dosage of Hyoscyamine?

Dose: It is administered as an oral tablet or placed below the tongue in a dose of 0.125 0.25 mg. It may be repeated after 4 hours.

How should Hyoscyamine be taken?

This medication available in the form of tablet, an extended-release capsule, a liquid to take by mouth, and in an injection form. Take tablet and liquid 3times/day, and extended-release capsules 2times. Avoid crushing the medication. This injection is administered by qualified healthcare professionals.

What are the warnings and precautions for Hyoscyamine?

It may cause drowsiness, dizziness, vision problem, or lightheadedness. Do not drive a car or other dangerous performance.

Do not drink alcohol or use medicines that may cause drowsiness while you are using hyoscyamine.

Drink plenty of fluids, maintain good oral hygiene, and suck sugarless hard candy to relieve dry mouth to avoid dehydration or over heat.

Caution should be exercised in patients with history of nerve problems, prostate problems, esophageal reflux, stomach problems, heart failure, coronary heart disease, hiatal hernia, kidney problems, overactive thyroid, high blood pressure, urinary problems, paralysis, increased eye pressure, any allergy, who are taking other medications, during pregnancy and breastfeeding.

What are the side effects of Hyoscyamine?

  Central Nervous System: Headache, nervousness, drowsiness, weakness, dizziness, confusion, sleeplessness, fever, excitability, restlessness, tremor, speech disturbances and involuntary muscle movement.
  Heart: Palpitations and fast heart beat.
  Skin: Allergic reactions, skin rash and flushing.
  Eye and ENT: Nasal congestion, altered taste, dilation of the pupil, paralysis of the ciliary muscle, blurred vision, increased ocular tension and loss of taste.
  Gastrointestinal: Dry mouth, nausea, vomiting, difficulty in swallowing, heartburn constipation and bloated feeling.
  Genitourinary: Urinary hesitancy and retention and impotence.
  Miscellaneous: Suppressed lactation and decreased sweating.

What are the other precautions for Hyoscyamine?

Avoid excess dosage.

What are the storage conditions for Hyoscyamine?

Store at 25C. Store it in airtight container. Keep away from children.


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