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Pyridostigmine

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Molecule Description

Pyridostigmine belongs to the group of anti cholinesterase medicines. It is used for treating myasthenia gravis, which involves weakness or rapid fatigue of muscles.

Uses

  • Myasthenia gravis
  • Constipation (paralytic ileus)
  • Inability to pass urine after an operation

Contraindications

When should one not use Pyridostigmine

  • Allergy to this medicine
  • Obstructive condition of stomach or intestine
  • Urinary obstruction
  • Chronic cough
  • Recently had coronary blockage (heart attack)

Side effects

Common side effects of this drug are:

  • Visual disturbance
  • Excessive watering of eyes
  • Irregular heartbeat
  • Low blood pressure
  • Fainting
  • Increased secretion of phlegm (mucus) than usual combined with constriction of the airways
  • Vomiting
  • Diarrhea
  • Stomach cramps
  • Rashes
  • Excessive sweating
  • Sudden urge to urinate

Precautions and Warnings

Pregnancy

Pregnancy

This medicine should be avoided during pregnancy. Consult your doctor if you are pregnant or planning pregnancy.

Breast Feeding

Breast Feeding

This medicine is secreted into breastmilk. To be taken if advised explicitly by your doctor.

Driving

Driving

It may cause visual disturbance and affect the ability to drive. Be cautious while driving.

Alcohol

Alcohol

Avoid alcohol consumption when taking this medicine.

Other General Warnings

Other General Warnings

Talk to your doctor if
  • Tell your doctor if:
  • Have low blood pressure
  • Have a stomach ulcer
  • Have epilepsy
  • Have Parkinson’s disease
  • Have kidney problems
  • Heart disease
  • You are allergic to Pyridostigmine or any of the other ingredients
  • You have obstructive urinary or gastrointestinal issues
  • Respiratory illness (COPD, asthma)

Mode of Action

How Does It Work?

Pyridostigmine is a cholinesterase inhibitor. It stops the excessive activity of cholinesterase , potentiates the concentration of acetylcholine and helps muscles to work correctly.

Interactions

Interactions with other medicines

  • Steroids or other immunosuppressant medicines
  • Antimuscarinic medicines (e.g. Atropine, Hyoscine)
  • Medicines containing Methylcellulose
  • Muscle relaxants like Suxamethonium
  • Aminoglycoside Antibiotics
  • Medicines to treat irregular heartbeat

Interactions with food items

No specific food interactions reported.

Dosage

Overdose

Overdose symptoms may include nausea, vomiting, difficulty in breathing, muscle weakness, hallucinations, irregular heart beat and unsteadiness. Seek emergency medical care in case of an overdose of this medicine.

Missed a Dose

Take the missed dose as early as you remember. Skip the missed dose and do not take extra medicine to compensate for the missed dose.

Frequently Asked Questions (FAQs)

No, it is not advised to take this medicine during pregnancy. Take only if considered essential by your doctor.

No, this medicine is not addictive. Take it as prescribed by your doctor. Do not alter the dosage or duration of this medicine by yourself.

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