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compositionComposition:NEOSTIGMINE-0.5MG
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Myostigmin 0.5 mg Injection 1 ml is used to treat Myasthenia gravis, paralytic ileus, and post-operative urinary retention. It contains Neostigmine. It increases levels of a neurotransmitter called acetylcholine by stopping the excess cholinesterase activity (an enzyme required to break down acetylcholine) involved in communication between nerve impulses and muscle movements. Neurotransmitters are chemical messengers that transmit the message from one nerve cell to another nerve cell, muscle cell, or gland cell. Thus, it helps in proper muscle functioning and prevents muscle weakness.

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Written By Santoshini Reddy G , M Pharmacy
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
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More about the Product

Composition :

NEOSTIGMINE-0.5MG

Manufacturer/Marketer :

Neon Laboratories Ltd

Consume Type :

Parenteral

Expires on or after :

Jan-27

Return Policy :

Not Returnable

NPPA :

Regulated

About Myostigmin 0.5 mg Injection 1 ml

Myostigmin 0.5 mg Injection 1 ml is an injectable medication primarily used to reverse the effects of certain muscle-relaxing medicines given during surgery. It is also used to treat a specific muscle weakness disorder called myasthenia gravis and to help with urinary retention or bowel inactivity after surgery.

Since Myostigmin 0.5 mg Injection 1 ml is given as an injection, the frequency depends entirely on the condition being treated and is determined by a medical professional. If used for long-term conditions like muscle weakness, it must be injected at regular, precise intervals to maintain muscle strength. Your doctor can advise you on how to coordinate your injections with daily tasks or meal times to make swallowing easier.

Common side effects of this injection include increased saliva, sweating, mild stomach cramps, or nausea. While these are usually mild, you must seek medical attention immediately if you experience serious side effects such as an abnormally slow heartbeat, severe dizziness, or breathing difficulties.

Do not take this if you have a physical blockage in your urinary tract or bowels. Talk to your doctor before receiving Myostigmin 0.5 mg Injection 1 ml if you have a history of asthma, coronary artery disease, epilepsy, thyroid problems, or Parkinson's disease, as special precautions may be needed.

This injection can interact with certain antibiotics, heart medications, and muscle relaxants, which may affect how well it works. Tell your healthcare provider if you are pregnant, breastfeeding, or if Myostigmin 0.5 mg Injection 1 ml is being given to an elderly individual. Talk to your doctor or pharmacist for personalized guidance.

Uses of Myostigmin 0.5 mg Injection 1 ml

Myostigmin 0.5 mg Injection 1 ml is used in the treatment of myasthenia gravis, paralytic ileus, and post-operative urinary retention. The detailed uses of Myostigmin 0.5 mg Injection 1 ml are as follows:

  • Reversal of Muscle Relaxants: Myostigmin 0.5 mg Injection 1 ml helps reverse the effects of medicines used to relax muscles during surgery, allowing normal muscle strength and breathing to return.
  • Myasthenia Gravis: It helps improve muscle strength and reduces muscle weakness in patients with this chronic neuromuscular disorder.
  • Post-Operative Urinary Retention: It helps stimulate bladder muscle contractions, assisting patients who are unable to pass urine after surgery.
  • Paralytic Ileus and Post-Operative Abdominal Distension: Myostigmin 0.5 mg Injection 1 ml helps restore normal bowel movements and relieve abdominal bloating and discomfort caused by reduced intestinal activity after surgery.

Key Benefits

Myostigmin 0.5 mg Injection 1 ml helps improve muscle function by increasing communication between nerves and muscles. It is used in several medical conditions and can support recovery following surgery when administered under medical supervision.

Benefits may include:

  • Helps restore muscle strength and control after anesthesia, supporting recovery following surgery.
  • May improve the ability to perform daily activities such as swallowing, speaking, and lifting objects in people with certain muscle disorders.
  • Supports independent breathing and safe movement during post-operative recovery.
  • Helps relieve abdominal bloating and bladder fullness by promoting normal muscle activity in the digestive and urinary systems.
  • Improves overall comfort and functional ability by temporarily enhancing muscle function.
  • Supports a smoother recovery process and better quality of life when used as prescribed.

Directions for Use

  • Your doctor will determine the dosage and frequency depending on your condition.
  • Myostigmin 0.5 mg Injection 1 ml will be administered by a healthcare professional.
  • Do not self-administer.

How Myostigmin 0.5 mg Injection 1 ml Works

Myostigmin 0.5 mg Injection 1 ml belongs to a group of medicines called cholinesterase inhibitors. Myostigmin 0.5 mg Injection 1 ml temporarily blocks this enzyme from working. By stopping the enzyme from breaking down the chemical messenger, more of it becomes available to stimulate the muscle receptors. This increased level of the chemical messenger helps restore normal muscle contractions and strength.
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Alcohol

Caution

Avoid consuming alcohol during the course with Myostigmin 0.5 mg Injection 1 ml to prevent any undesirable side effects.

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Pregnancy

Caution

There is limited information on how Myostigmin 0.5 mg Injection 1 ml affects pregnancy. If you are pregnant or planning to conceive, inform your doctor before taking Myostigmin 0.5 mg Injection 1 ml.

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Breast Feeding

Caution

It is not known if Neostigmine is excreted into breast milk. Please inform your doctor before taking Myostigmin 0.5 mg Injection 1 ml if you are a breastfeeding mother.

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Driving

Caution

Neostigmine may make you feel dizzy and affect your ability to drive. It is advised not to drive or operate machinery while being treated with Myostigmin 0.5 mg Injection 1 ml if you are not mentally alert and focused.

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Liver

Caution

Please inform your doctor before receiving Myostigmin 0.5 mg Injection 1 ml if you have liver problems.

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Kidney

Caution

Please inform your doctor before receiving Myostigmin 0.5 mg Injection 1 ml if you have kidney disease.

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Children

Caution

Myostigmin 0.5 mg Injection 1 ml is recommended in children below 12 years of age only when prescribed by the doctor. The dosage depends on the child's age, weight and condition.

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Heart

Caution

Myostigmin 0.5 mg Injection 1 ml should be used with caution in heart patients, as it may cause bradycardia, hypotension, or arrhythmias. If you have coronary artery disease or a history of cardiac events, your doctor may co-administer atropine and monitor your heart closely during treatment.

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Geriatrics

Caution

Geriatric patients can receive Myostigmin 0.5 mg Injection 1 ml, but it require close monitoring due to increased sensitivity to side effects like bradycardia or hypotension. Dose adjustments and co-administration with atropine may be considered to enhance safety.

What if I have taken an overdose of Myostigmin 0.5 mg Injection 1 ml

If you receive too much Myostigmin 0.5 mg Injection 1 ml, it can cause a serious condition called a cholinergic crisis. Symptoms may include excessive salivation, watery eyes, sweating, frequent urination, diarrhea, stomach cramps, vomiting, severe muscle weakness, slow heart rate, and difficulty breathing. Seek immediate medical attention if an overdose is suspected.

Diet & Lifestyle Advise

  • Eat small, frequent meals: Choose smaller meals throughout the day if you are using Myostigmin 0.5 mg Injection 1 ml for muscle weakness, as swallowing may be easier during periods when the medication is working best.
  • Stay well hydrated: Drink adequate amounts of water to help manage side effects such as a dry throat or mild stomach upset, unless your doctor has advised you to limit fluids.
  • Plan activities around peak strength: Schedule physically demanding tasks or exercise during the times when your muscle strength is at its highest after receiving the injection.
  • Keep a symptom diary: Record any changes in your muscle weakness, including when symptoms improve or worsen, to help your doctor assess your response to treatment and make any necessary adjustments.
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How Soon It Starts Working

The time required for Myostigmin 0.5 mg Injection 1 ml to start to work: Myostigmin 0.5 mg Injection 1 ml shows its action within 1 to 20 minutes of IV administration and 20 to 30 minutes of IM administration. The time for which the effects of Myostigmin 0.5 mg Injection 1 ml last: Myostigmin 0.5 mg Injection 1 ml effect lasts for 1 to 2 hours in IV administration and 2.5 to 4 hours in IM administration.

What if you forget to take Myostigmin 0.5 mg Injection 1 ml

Since Myostigmin 0.5 mg Injection 1 ml is usually given by a healthcare professional in a hospital, a missed dose is unlikely. If you are using this at home for muscle weakness and miss a dose, inject it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and resume your regular schedule; do not double the dose to catch up.

Storage

• Store Myostigmin 0.5 mg Injection 1 ml injection vials or ampoules at controlled room temperature, typically between 20°C to 25°C (68°F to 77°F).

Drug Warnings

  • Inspect the solution before use: Always check the injection liquid before administration. It should be clear and colorless. Do not use it if it appears cloudy or contains visible particles.
  • Rotate injection sites: If administering Myostigmin 0.5 mg Injection 1 ml at home, use a different injection site each time to help reduce skin irritation and tissue damage.
  • Never reuse needles or syringes: Always use new, sterile needles and syringes for each injection to help prevent serious infections.
  • Inform healthcare providers before procedures: Tell your anesthesiologist, surgeon, or other healthcare professionals that you are receiving or have recently received Myostigmin 0.5 mg Injection 1 ml before any medical or surgical procedure.
  • Monitor your heart rate: Myostigmin 0.5 mg Injection 1 ml may slow your heart rate. Contact your doctor if you experience significant dizziness, fainting, or symptoms of a slow pulse.
  • Be aware of cholinergic crisis: Excessive amounts of Myostigmin 0.5 mg Injection 1 ml can rarely cause a serious condition called cholinergic crisis. Seek immediate medical attention if you develop excessive salivation, watery eyes, sweating, diarrhea, stomach cramps, severe muscle weakness, slow heart rate, or difficulty breathing.
  • Use with caution in certain patients: Myostigmin 0.5 mg Injection 1 ml should not be used in people with a known allergy to Myostigmin 0.5 mg Injection 1 ml or any of its ingredients, individuals with mechanical obstruction of the intestines or urinary tract, or patients with peritonitis. People with severe bradycardia (very slow heart rate) should receive Myostigmin 0.5 mg Injection 1 ml only under close medical supervision. Your healthcare provider will determine whether the benefits of treatment outweigh the risks based on your medical history.

Drug-Drug Interactions

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  • Muscle relaxants (e.g., succinylcholine, tubocurarine): Myostigmin 0.5 mg Injection 1 ml may alter the effects of certain muscle relaxants, making them either less effective or prolonging their action.
  • Heart medicines (e.g., metoprolol, propranolol): Taking these medicines alongside Myostigmin 0.5 mg Injection 1 ml may increase the risk of a slow heart rate (bradycardia).
  • Certain antibiotics (e.g., neomycin, streptomycin, kanamycin): These antibiotics may reduce the effectiveness of Myostigmin 0.5 mg Injection 1 ml.

Drug-Drug Interactions

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How does the drug interact with Myostigmin 0.5mg/1ml Inj:
Co-administration of tramadol with Myostigmin 0.5mg/1ml Inj can increase the effect of tramadol.

How to manage the interaction:
Taking Myostigmin 0.5mg/1ml Inj with tramadol together can possibly result in an interaction, it can be taken if your doctor has advised it. However, if you experience any symptoms such as confusion, hallucination, seizure, increased heart rate, blurred vision, tremors, incoordination, stomach cramps, nausea, vomiting, and diarrhea, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.

Drug-Food Interactions

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  • No clinically significant food interactions are known with Myostigmin 0.5 mg Injection 1 ml when used as directed.     
     
No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Habit Forming

No

Therapeutic Class

[MUSCLE STIMULANTS AND CHOLINESTERASE INHIBITORS]

FAQs

Myostigmin 0.5 mg Injection 1 ml is used to treat Myasthenia gravis, paralytic ileus, and post-operative urinary retention.
Myostigmin 0.5 mg Injection 1 ml works by stopping the excessive cholinesterase activity (an enzyme necessary for the breakdown of a neurotransmitter called acetylcholine) involved in communication between nerve impulses and muscle movements. Thereby, Myostigmin 0.5 mg Injection 1 ml helps in proper muscle functioning and prevents muscle weakness.
Myostigmin 0.5 mg Injection 1 ml should be used with caution in the medical history of liver or kidney diseases, heart diseases (coronary artery disease, irregular heartbeat), peritonitis (inflammation of the membrane lining the abdominal wall and covering the abdominal organs), stomach ulcer, asthma, fits, urination problems, Parkinson's disease, overactive thyroid (hypothyroidism), and vagotonia. Please let your doctor know if you have any other medical problems before starting Myostigmin 0.5 mg Injection 1 ml.
Generally, women aged 20 to 40 and men aged 50 to 80 are affected by myasthenia gravis. High-risk factors for developing this disease include autoimmune diseases like rheumatoid arthritis and lupus, infections, surgical procedures, thyroid disease, and medications for malaria, heart arrhythmias and cancer.
Diabetes may trigger a stronger immune response due to an abnormal rise in blood sugar levels. This may further lead to the worsening of the myasthenia gravis.
Myostigmin 0.5 mg Injection 1 ml should be taken for as long as it has been prescribed by the doctor. The doctor will determine the duration of the treatment based on your condition.
Myostigmin 0.5 mg Injection 1 ml starts working within 10-20 minutes after administration. The duration of action lasts for up to 4 hours.
No, Myostigmin 0.5 mg Injection 1 ml is not a steroid. Myostigmin 0.5 mg Injection 1 ml contains Neostigmine, an anticholinesterase agent/acetylcholinesterase inhibitor.
Myostigmin 0.5 mg Injection 1 ml is not known to cause weight gain. Consult the doctor if you notice any changes in weight during treatment with Myostigmin 0.5 mg Injection 1 ml.
Yes, Myostigmin 0.5 mg Injection 1 ml is usually safe and well-tolerated medicine when used in the prescribed dose and duration.
The doctor will determine the dose of Myostigmin 0.5 mg Injection 1 ml based on your medical condition. Please consult the doctor if you get tired easily, as it could be due to the increased severity of myasthenia gravis.
Myostigmin 0.5 mg Injection 1 ml is indicated for the treatment of paralytic ileus (a rare form of constipation) only. It should not be used for constipation due to other causes. Consult the doctor if you have any concerns.
Since Myostigmin 0.5 mg Injection 1 ml is given in a controlled medical setting by a healthcare professional, an overdose is not likely to occur. If you think there has been an overdose or experiencing any adverse events, get medical care right away.
No, Myostigmin 0.5 mg Injection 1 ml does not have any abuse potential. It is not a habit-forming medicine.
Myostigmin 0.5 mg Injection 1 ml should be used by people who are allergic to any of its components. It is also not recommended if you have an intestinal obstruction or cannot urinate, a condition where your bowel may no longer be functioning, peritonitis (an infection or inflammation of the outer layer of the stomach or intestines) or if you are taking certain muscle relaxants (Suxamethonium).
Myostigmin 0.5 mg Injection 1 ml may cause side effects such as nausea, vomiting, slow heartbeat, abdominal cramps, diarrhoea, dizziness, headache, trouble sleeping, and dry mouth. These side effects are not familiar to everyone and vary individually. If you notice any side effects that are not manageable, please consult your doctor.
While Myostigmin 0.5 mg Injection 1 ml is typically given by healthcare professionals in a hospital, some patients with myasthenia gravis may be trained to use it at home. Always follow the exact injection techniques and safety guidelines provided by your healthcare provider. Talk to your doctor if you have questions about home administration.
Myostigmin 0.5 mg Injection 1 ml should only be used during pregnancy if clearly needed and prescribed by a specialist. It is important to discuss the potential risks and benefits for both you and your baby. Talk to your doctor if you are pregnant or planning to become pregnant.
Mild muscle twitching can be a side effect of Myostigmin 0.5 mg Injection 1 ml. However, because muscle twitching can also be a sign of getting too much medication, it is important to report this symptom. Talk to your doctor or pharmacist right away.
Unlike many other medicines, Myostigmin 0.5 mg Injection 1 ml typically causes an increase in saliva, watering eyes, and sweating rather than dryness. If these symptoms become uncomfortable, talk to your doctor.
It is highly recommended to avoid alcohol while using Myostigmin 0.5 mg Injection 1 ml, as alcohol can increase drowsiness, dizziness, and worsen stomach side effects. Talk to your doctor for personalized advice.
No, Myostigmin 0.5 mg Injection 1 ml is specifically used for reversing certain surgical muscle relaxants and managing myasthenia gravis. It will not work for muscle weakness caused by other unrelated conditions. Talk to your doctor to determine if this is the right treatment for you.
An intravenous injection goes directly into a vein and works very rapidly, which is ideal during surgery. An under-the-skin or muscle injection releases the medication more slowly into the body. Talk to your doctor or pharmacist to learn more about your specific injection route.
A cholinergic crisis is a rare but serious condition caused by too much Myostigmin 0.5 mg Injection 1 ml in the body. Symptoms can include severe sweating, excessive saliva, stomach cramps, diarrhea, muscle weakness, and difficulty breathing. It requires urgent medical treatment, so seek emergency help immediately if these symptoms develop.
Myostigmin 0.5 mg Injection 1 ml can increase saliva production and slow the heart rate. During surgery, doctors commonly give atropine or glycopyrrolate alongside Myostigmin 0.5 mg Injection 1 ml to help prevent these side effects while still allowing Myostigmin 0.5 mg Injection 1 ml to restore normal muscle function.

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Country of origin

India

Manufacturer/Marketer address

140, Damji Samji Industrial Complex, Mahakali Caves Rd., Andheri(East), Mumbai-93.
Other Info - MYO0025
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