apollo
0

Welcome User

Login/Sign Up

Home
Buy Medicines
Lab Tests
Doctor Consult
Circle Membership
Insurance
Blogs
Contact Us
Privacy Policy
Return & Refunds
Need Help
Terms and Conditions
  1. Home
  2. Medicine

  3. Qystein 1000 mg Injection 5 ml

Qystein 1000 mg Injection 5 ml, Pack of 1
Written By Veda Maddala , M Pharmacy
Reviewed By Santoshini Reddy G , M Pharmacy
COD available

Online payment accepted

rxMedicinePrescription drug

Whats That

tooltip

Composition :

ACETYLCYSTEINE-200MG

Manufacturer/Marketer :

Questus Pharma Pvt Ltd

Consume Type :

PARENTERAL

Return Policy :

Not Returnable

About Qystein 1000 mg Injection 5 ml

Qystein 1000 mg Injection 5 ml belongs to a class of drugs called antidotes used to treat Paracetamol (acetaminophen) overdose and prevent liver injury. Paracetamol overdose may occur when the person takes more than 8 Paracetamol tablets in 24 hours accidentally or when intended to cause self-harm. If it is not treated promptly with an antidote, significant overdose can lead to liver failure.

Qystein 1000 mg Injection 5 ml contains Acetylcysteine that works by restoring the levels of glutathione, a chemical that eliminates toxic substances.

Qystein 1000 mg Injection 5 ml will be administered by a healthcare professional; do not self-administer. Some people may experience inflammation and pain at the injection site, nausea, vomiting, fever, excessive shivering, sweating, bruising, or bleeding more easily than normal. Most of these side effects of Qystein 1000 mg Injection 5 ml do not require medical attention and gradually resolve over time. However, if the side effects persist or worsen, please consult your doctor. 

If you are allergic to Qystein 1000 mg Injection 5 ml or any other medicines, please tell your doctor. Qystein 1000 mg Injection 5 ml is given to children in doses advised by a doctor based on the child’s age and weight. If you are pregnant or breastfeeding, please inform your doctor before taking Qystein 1000 mg Injection 5 ml. If you are about to undergo any surgery, inform the anaesthetist or surgeon that you are being treated with Qystein 1000 mg Injection 5 ml.

Uses of Qystein 1000 mg Injection 5 ml

Paracetamol overdose

Directions for Use

Qystein 1000 mg Injection 5 ml will be administered by a healthcare professional; do not self-administer.

Medicinal Benefits

Qystein 1000 mg Injection 5 ml is an antidote for Paracetamol (acetaminophen) overdose. It works by restoring the body’s glutathione, a chemical that eliminates toxic substances. Also, it protects the liver from damage caused due to high levels of paracetamol. Qystein 1000 mg Injection 5 ml is very effective when given within 10 hours of paracetamol overdose.

Storage

Keep Qystein 1000 mg Injection 5 ml out of the sight and reach of children.
Side effects of Qystein 1000 mg Injection 5 ml
Here are the steps to manage the medication-triggered Tachycardia (Fast Heart Rate):
  • Contact your doctor immediately if you're experiencing a fast heart rate, palpitations, or other heart-related symptoms. This is crucial to determine whether the symptoms are related to your medication.
  • Your doctor may need to adjust your medication regimen to alleviate the fast heart rate symptoms. This could involve changing the medication, reducing the dosage, or adding new medications to counteract the side effects.
  • Follow your doctor's advice on monitoring your heart rate and blood pressure. This will help track any changes and ensure your heart rate returns normal.
  • If you experience severe symptoms such as chest pain, dizziness, or shortness of breath, seek immediate medical attention. These symptoms can indicate a more serious condition that requires prompt treatment.
Overcome Medication-Induced Nausea: A 9-Step Plan
  • Inform your doctor about the nausea and discuss possible alternatives to the medication or adjustments to the dosage.
  • Divide your daily food intake into smaller, more frequent meals to reduce nausea.
  • Opt for bland, easily digestible foods like crackers, toast, plain rice, bananas, and applesauce.
  • Avoid certain foods that can trigger nausea, such as fatty, greasy, spicy, and smelly foods.
  • Drink plenty of fluids, such as water, clear broth, or electrolyte-rich beverages like coconut water or sports drinks.
  • Use ginger (tea, ale, or candies) to help relieve nausea.
  • Get adequate rest and also avoid strenuous activities that can worsen nausea.
  • Talk to your doctor about taking anti-nausea medication if your nausea is severe.
  • Record when your nausea occurs, what triggers it, and what provides relief to help you identify patterns and manage your symptoms more effectively.
To prevent, manage, and treat Constipation caused by medication usage, follow these steps:
  • Preventing Vomiting (Before it Happens)
  • Take medication exactly as prescribed by your doctor. This can help minimize side effects, including vomiting.
  • Having a small meal before taking your medication can help reduce nausea and vomiting.
  • Talk to your doctor about taking anti-nausea medication along with your prescribed medication.
  • Managing Vomiting (If it Happens)
  • Try taking ginger in the form of tea, ale, or candy to help alleviate nausea and vomiting.
  • What to Do if Vomiting Persists
  • Consult your doctor if vomiting continues or worsens, consult the doctor for guidance on adjusting your medication or additional treatment.
  • Wear loose-fitting clothes and breathable fabrics.
  • Keep your room cool by using a fan or AC.
  • Avoid or limit spicy food, alcohol and caffeine as they can trigger hot flashes.
  • Manage stress by practising relaxation techniques with yoga and meditation.
  • Quit smoking.
  • Maintain a healthy weight by including fruits and vegetables in your diet.
Managing Medication-Triggered Flushing (Reddening of the skin): A Step-by-Step Guide:
  • Consult your doctor if you experience skin redness, itching, or irritation after taking medication.
  • Your doctor may adjust your treatment plan by changing your medication or providing guidance on managing your erythema symptoms.
  • Your doctor may recommend or prescribe certain medications to help alleviate symptoms.
  • Apply cool compresses or calamine lotion to the affected skin area to reduce redness and itching.
  • Stay hydrated by drinking plenty of water to help alleviate symptoms and keep your skin hydrated.
  • Monitor your skin condition closely and promptly report any changes, worsening symptoms, or concerns to your healthcare provider.
Here are the steps to manage the medication-triggered Cough:
  • Tell your doctor about the cough symptoms you're experiencing, which may be triggered by your medication.
  • Your doctor may adjust your treatment plan by changing your medication, adding new medications, or providing guidance on managing your cough symptoms.
  • Practice good hygiene, including frequent handwashing, avoiding close contact with others, and avoiding sharing utensils or personal items.
  • Stay hydrated by drinking plenty of fluids, such as water, tea, or soup, to help thin out mucus and soothe your throat.
  • Get plenty of rest and engage in stress-reducing activities to help your body recover. If your cough persists or worsens, consult your doctor for further guidance.
  • Skin rash caused by allergies is due to irritants or allergens. Therefore, avoid contact with such irritants.
  • Consult your doctor for proper medication and apply an anti-itch medication. Follow the schedule and use the medication whenever needed.
  • Protect your skin from extreme heat and try to apply wet compresses.
  • Soak in the cool bath, which gives a soothing impact to the affected area.

Drug Warnings

If you are allergic to Qystein 1000 mg Injection 5 ml or any other medicines, please tell your doctor. Qystein 1000 mg Injection 5 ml is given to children in doses advised by a doctor based on the child’s age and weight. If you are pregnant or breastfeeding, please inform your doctor before taking Qystein 1000 mg Injection 5 ml. If you are about to undergo any surgery, inform the anaesthetist or surgeon/dentist that you are being treated with Qystein 1000 mg Injection 5 ml. If you have a history of stomach ulcers or have asthma, inform your doctor before taking Qystein 1000 mg Injection 5 ml.

Drug-Drug Interactions

verifiedApollotooltip
No Drug - Drug interactions found in our data. We may lack specific data on this medicine and are actively working to update our database. Consult your doctor for personalized advice

Drug-Drug Interactions

Login/Sign Up

Drug-Food Interactions

verifiedApollotooltip
No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

Login/Sign Up

Diet & Lifestyle Advise

  • Do not take more than the Paracetamol dose mentioned on the label or prescribed by the doctor. 
  • Avoid giving Paracetamol to your child unless it is necessary for their fever or pain. 
  • For children below 2 years, use Paracetamol only in the dose advised by the doctor based on the child’s body weight.
  • Limit or avoid alcohol consumption.

Side Effects of Qystein 1000 mg Injection 5 ml

  • Inflammation and pain at the injection site
  • Nausea
  • Vomiting
  • Fever
  • Excessive shivering
  • Sweating
  • Bruising or bleeding more easily than normal

Habit Forming

No

Therapeutic Class

ANTIDOTES

Qystein 1000 mg Injection 5 ml Substitute

Substitutes safety advice

Product Substitutes

Author Details

Veda MaddalaDoctor badge

Written By

Veda Maddala

M Pharmacy

Santoshini Reddy GDoctor badge

Reviewed By

Santoshini Reddy G

M Pharmacy

Last Updated

Jul 8, 2025 | 9:46 AM IST

Doctor imageWe provide you with authentic, trustworthy and relevant information

Drug-Diseases Interactions

verifiedApollotooltip
ACETYLCYSTEINE-200MGHepatic failure, not elsewhere classified
Severe
ACETYLCYSTEINE-200MGAsthma
Moderate

Drug-Diseases Interactions

Login/Sign Up

ACETYLCYSTEINE-200MGHepatic failure, not elsewhere classified
Severe
How does the disease interact with Qystein 1000 mg Injection 5 ml:
For individuals who have encephalopathy brought on by hepatic failure, the use of Qystein 1000 mg Injection 5 ml should be stopped in order to prevent further nitrogenous material ingestion.

How to manage the interaction:
Qystein 1000 mg Injection 5 ml should be discontinued in patients with encephalopathy (permanent or temporary brain damage) due to liver failure.
ACETYLCYSTEINE-200MGAsthma
Moderate
How does the disease interact with Qystein 1000 mg Injection 5 ml:
When treating asthmatic patients or situations where bronchospasm has occurred in the past, Qystein 1000 mg Injection 5 ml should be administered cautiously. When starting and continuing Qystein 1000 mg Injection 5 ml medication, patients with asthma should be closely monitored.

How to manage the interaction:
Qystein 1000 mg Injection 5 ml should be used with caution in asthma patients or where there is a history of bronchospasm (tightening of muscles lining airways). Asthma patients should be closely monitored during the initiation of and throughout Qystein 1000 mg Injection 5 ml therapy.
ACETYLCYSTEINE-200MGOther disorders of fluid, electrolyte and acid-base balance
Moderate
How does the disease interact with Qystein 1000 mg Injection 5 ml:
Qystein 1000 mg Injection 5 ml administered intravenously may lead to fluid overload, which may result in hyponatremia, seizures, and even death.

How to manage the interaction:
To avoid fluid overload, a diluted dose is recommended, especially in patients less than 40 kg and those requiring fluid restrictions.
ACETYLCYSTEINE-200MGOther diseases of digestive system
Moderate
How does the disease interact with Qystein 1000 mg Injection 5 ml:
Qystein 1000 mg Injection 5 ml use may make vomiting worse. The risk of gastrointestinal haemorrhage should be assessed in patients with peptic ulcer disease.

How to manage the interaction:
Patients with peptic ulcer disease should be evaluated for the risk of gastrointestinal bleeding. In case of gastric haemorrhage, Qystein 1000 mg Injection 5 ml is advised if your doctor considers benefit for you is greater than risk.

FAQs

Qystein 1000 mg Injection 5 ml works by restoring the body’s glutathione, a chemical that eliminates toxic substances. Thus, it helps in the treatment of Paracetamol overdose.

You are recommended to inform your doctor or dentist that you have been treated with Qystein 1000 mg Injection 5 ml if you are due to undergo any surgery or dental procedure because it may alter the effects of certain medicines that are used during anaesthesia.

Qystein 1000 mg Injection 5 ml may interfere with reagent dipstick tests for urinary ketones giving false positive results. Therefore, if you are about to undergo any laboratory tests, inform your doctor or lab technician that you are taking Qystein 1000 mg Injection 5 ml.

Qystein 1000 mg Injection 5 ml may cause allergic reactions in some people. It is not necessary for everyone taking Qystein 1000 mg Injection 5 ml to have allergic reactions. However, if you notice a skin rash, itching, flushing, difficulty breathing or swelling of the face, inform your doctor immediately.

Special Advise

Qystein 1000 mg Injection 5 ml may give a false positive result with reagent dipstick tests for urinary ketones. Therefore, inform the lab technician that you are taking Qystein 1000 mg Injection 5 ml before undergoing any laboratory tests. 

Disease/Condition Glossary

Paracetamol overdose: It may occur when the person takes more than 8 Paracetamol tablets in 24 hours accidentally or when intended to cause self-harm. If it is not treated promptly with an antidote, significant overdose can lead to liver failure. The symptoms of Paracetamol overdose include vomiting and nausea after a few hours of taking an overdose, and after 24 hours, there may be jaundice (yellowing of the whites of skin and eyes) and pain under the ribs on the right side. Also, it may cause hypoglycemia (low blood sugar) and loss of appetite.

Have a query?

bannner image

Alcohol

Caution

Interaction of alcohol with Qystein 1000 mg Injection 5 ml is unknown. Please consult a doctor before consuming alcohol with Qystein 1000 mg Injection 5 ml.

bannner image

Pregnancy

Caution

Qystein 1000 mg Injection 5 ml is given to pregnant women only if the doctor thinks the benefits outweigh the risks.

bannner image

Breast Feeding

Caution

Qystein 1000 mg Injection 5 ml is given to breastfeeding mothers only if the doctor thinks the benefits are greater than the risks.

bannner image

Driving

Safe if prescribed

Qystein 1000 mg Injection 5 ml usually does not affect your ability to drive or operate machinery.

bannner image

Liver

Caution

Qystein 1000 mg Injection 5 ml should be used with caution if you have a history of Liver diseases/conditions. Your doctor will decide to administer Qystein 1000 mg Injection 5 ml if the benefits are greater than the risks.

bannner image

Kidney

Caution

Qystein 1000 mg Injection 5 ml should be used with caution if you have a history of Kidney diseases/conditions. Your doctor will decide to administer Qystein 1000 mg Injection 5 ml if the benefits are greater than the risks.

bannner image

Children

Caution

Qystein 1000 mg Injection 5 ml is given to children in doses advised by a doctor based on child’s age and weight.

whatsapp Floating Button