Medication Profile: Pyridostigmine

Summary or Key Points

Pyridostigmine is a medication primarily used to treat Myasthenia Gravis and other neurological disorders. It helps improve muscle strength and reduces muscle fatigue. Remember to always consult your doctor or healthcare provider, such as our telemedicine specialists, before adjusting your dose.

Names of Medication

US Brand Name: Mestinon (Pyridostigmine)

A ‘generic name’ is the standard name of the medication, not tied to any specific brand or manufacturer. In this case, Pyridostigmine is the generic name and it is found in parentheses.

Pharmacologic Category

Pyridostigmine belongs to a group of medications known as cholinesterase inhibitors. Other medications in this category include Donepezil, Rivastigmine, and Galantamine.

Dosing

Always consult your healthcare provider before adjusting your dosage. You can connect with one of our providers via telemedicine immediately.

• Myasthenia Gravis: Adult dose typically starts at 60 mg orally, 1 to 2 times daily, and can be increased based on response and tolerance.
• Postoperative Distention and Atony of the Bladder and Bowel: The usual dose is 60 mg orally, 2 to 4 times daily.
• Lambert-Eaton Syndrome: Dosage varies depending on the individual’s response, but often starts at 60 mg orally, 1 to 2 times daily.
• Neurogenic Orthostatic Hypotension: The dose can vary but typically begins at 60 mg orally, 1 to 2 times daily.

Dosage Forms and Strengths

Pyridostigmine is available in the following forms and strengths:

• Oral tablet: 60 mg
• Extended-release oral tablet: 180 mg
• Oral syrup: 60 mg/5mL

Administration Instructions

Pyridostigmine can be taken with or without food. If stomach upset occurs, it may be taken with food or milk. Do not crush or chew the extended-release tablets. If you have difficulty swallowing the tablets whole, consult with one of our telemedicine providers for advice.

Adverse Reactions and Side Effects

The following side effects have been associated with Pyridostigmine. If you experience any of these side effects, consult your healthcare provider immediately. You can connect with one of our telemedicine providers right away.

• Common side effects (may affect up to 1 in 10 people): Nausea, vomiting, diarrhea, abdominal cramps, increased saliva and mucus production, sweating, rash.
• Less common side effects (may affect up to 1 in 100 people): Muscle cramps, muscle weakness, twitching, changes in heart rate, low blood pressure, flushing, urinary urgency.
• Rare side effects (may affect up to 1 in 1,000 people): Difficulty in speaking, breathing difficulties, headache, dizziness, loss of consciousness.

Remember, this is not an exhaustive list of potential side effects. If you notice any other symptoms, contact your doctor or healthcare provider. If you ever have concerns about the side effects, feel free to connect with one of our telemedicine providers at any time.

Contraindications

A contraindication is a specific situation or condition where a particular treatment or medication, such as Pyridostigmine, should not be used because it may be harmful. Below are some contraindications for Pyridostigmine:

• People with a known hypersensitivity to Pyridostigmine or any of its components: This is because these individuals may experience severe allergic reactions.
• Patients with a mechanical intestinal or urinary obstruction: Pyridostigmine can further slow gut movement, worsening these conditions.

Drug to Drug Interactions

Some medications can interact with Pyridostigmine, which can alter how the medication works or increase the risk of side effects. Here are some examples:

• Atropine (Atropen)
• Dexamethasone (Decadron)
• Furosemide (Lasix)

Pyridostigmine in Pregnancy

Pyridostigmine should only be used in pregnancy if the benefits outweigh the risks. Always consult with your healthcare provider or one of our telemedicine providers before taking this medication while pregnant.

Pyridostigmine while Breastfeeding

Pyridostigmine does pass into breast milk but is unlikely to harm a nursing infant. However, always consult with your healthcare provider or one of our telemedicine providers before taking this medication while breastfeeding.

Estimated Cost of Medication

The estimated cost for a 30-day supply of Pyridostigmine, using a GoodRx coupon, is approximately $30 to $40. However, prices can vary based on location, pharmacy, and dosage.

Possible Alternatives

Always discuss these alternatives with your healthcare provider before making any changes to your treatment plan. You can also speak with one of our telemedicine providers for more information.

• Myasthenia Gravis: Physical therapy, thymus gland removal, immunosuppressive drugs.
• Postoperative Distention and Atony of the Bladder and Bowel: Lifestyle changes such as diet and exercise, manual techniques to stimulate bowel movement.
• Lambert-Eaton Syndrome: Immunotherapy, plasmapheresis, intravenous immunoglobulin.
• Neurogenic Orthostatic Hypotension: Increased salt and fluid intake, physical counter maneuvers, compression garments.

Recent Updates on Pyridostigmine Research

Recent studies indicate that Pyridostigmine can also be beneficial for patients with Postural Tachycardia Syndrome, a condition where standing up from a reclining position causes an abnormally large increase in heart rate. Research is ongoing to further understand the potential uses and benefits of Pyridostigmine.

Brief Legal Disclaimer

This article is for informational purposes only and not intended as medical advice. Always consult a healthcare professional for diagnosis and treatment. Reliance on the information provided here is at your own risk.
Brief Legal Disclaimer: This article is for informational purposes only and not intended as medical advice. Always consult a healthcare professional for diagnosis and treatment. Reliance on the information provided here is at your own risk.