Midazolam
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Molecule Summary
| Uses | Preoperative sedation, Induction of general anaesthesia |
| Therapy | General Anaesthesia |
| Side Effects | Sleepiness, Dizziness, Sneezing, Hiccups, Shallow breathing, Pain at the injection site |
Medicines
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19k pincodes
Molecule Description
Midazolam is an anaesthetic medication used for maintaining unconsciousness or sleep during surgical procedures. It can be used to sedate patients in intensive care units (ICUs) and administer anaesthesia before surgery. It causes drowsiness, relieves anxiety, and prevents any memory of the surgical event.
Uses
- As per CDSCO, Midazolam is used for the treatment of:
- Preoperative sedation
- Induction of general anaesthesia
Contraindications
When should one not use Midazolam
- If you are allergic to Midazolam
- If you have narrow-angle glaucoma (increased pressure in the eye)
- If you have low blood pressure or shock-like condition
Side effects
Common side effects of this drug are:
- Sleepiness
- Dizziness
- Sneezing
- Hiccups
- Shallow breathing
- Pain at the injection site
Precautions and Warnings
Pregnancy
Breast Feeding
Driving
Alcohol
Other General Warnings
Talk to your doctor if
- You have an allergic reaction after receiving Midazolam.
- You have hypoventilation or apnea.
- You have low blood pressure.
- You have a cough, breathing issues, or any other respiratory illness.
- You experience severe side effects persistently.
- You use other prescription medications or Ayurvedic/ herbal medicines, vitamins and other health supplements. These may interact with Midazolam.
- You are an older adult over 60 years of age.
- You are pregnant or breastfeeding. Talk to your doctor before use.
- You have severe kidney or liver disease.
- You have a history of drug abuse.
Mode of Action
How Does It Work?
Midazolam belongs to the benzodiazepines class of medications. It works by enhancing the inhibitory action of the GABA-A receptor, which is an inhibitory channel that decreases excess neuronal activity in the brain. As a result, it leads to central nervous system (CNS) depression and induces anaesthetic effects.
Interactions
Interactions with other medicines
- Interaction of Midazolam with pain killers, such as morphine, oxycodone, fentanyl, hydrocodone, tramadol, and codeine, may lead to extreme sedation and drowsiness.
- Midazolam should not be used concomitantly with monoamine oxidase inhibitors (MAOIs) like isocarboxazid, linezolid, methylene blue, selegiline, rasagiline, etc. as they can cause serious side effects like decreased breathing, low heart rate, etc.
- Interaction with ketoconazole, fluconazole, and itraconazole increases the plasma concentrations of Midazolam.
- Interaction with other benzodiazepines potentiates the anaesthetic effects of Midazolam.
Dosage
Overdose
Midazolam overdose may cause serious side effects like dizziness, chest tightness, breathing problems, terrible cough, respiratory difficulties, abnormal heartbeat, abnormally low blood pressure, and shock. If you experience these symptoms, seek emergency medical treatment.
Missed a Dose
There is little chance of missing Midazolam as healthcare professionals in a clinical setting give it.
Frequently Asked Questions (FAQs)
Articles
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References:
- Lingamchetty T, Hosseini S, Saadabadi A. Midazolam [Internet]. ncbi.nlm.nih.gov. 2025 [cited 4 Jun 2026]
- Midazolam 5mg/ml, solution for injection / infusion: Summary of Product Characteristics (SmPC) - (emc) [Internet]. medicines.org.uk. 2025 [cited 4 Jun 2026]
- Midazolam Injection: MedlinePlus Drug Information [Internet]. medlineplus.gov. 2025 [cited 4 Jun 2026]
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