nex 400mcg injection - Uses, Price, Side Effects & Substitutes
π€° Pregnancy Category C
π Prescription Required
π Generic Available
Medically Reviewed
Dr. SaathiMed Expert Panel | Jun 23, 2026
What is nex 400mcg injection used for?
nex 400mcg injection (Naloxone (400mcg)) is used to treat NEURO CNS. It contains Naloxone (400mcg), which works by treating the condition effectively. Always consult your doctor before use. Take as prescribed.
- Generic Name: Naloxone (400mcg)
- Manufacturer: Neon Laboratories Ltd
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
π‘ Did You Know? The first generic medicine was introduced in India in 1970 after the Patents Act was amended.
π nex 400mcg injection Uses & Benefits
- Nex 400mcg Injection is an opioid antagonist.
- It is used for the treatment of opioid toxicity.
- It helps to reverse the depressant effect on breathing, and on other parts of the body.
- It also helps to determine if a patient has taken the overdose of opioid.
- Nex 400mcg Injection is given as an injection into veins, muscle or under the skin by a doctor or nurse.
- It is advisable not to self-administer the injection.
- Your doctor or nurse will train your family member or caregiver about how to inject the medicine in case of an emergency.
- It is advisable to follow your doctor's advice while being on the treatment.Β The most common side effects of this medicine include injection site redness, dizziness, headache and increased or decreased blood pressure.
- Most of these usually go away within a short time of the injection.
- If you are bothered by them or they go on for longer, talk to your doctor or nurse.
- You should not drive if this medicine makes you feel dizzy.Β Before taking it, tell your doctor if you have heart problems, high blood pressure or high heart rate.
- This may affect your treatment.
- Pregnant or breastfeeding women should consult their doctor before taking this medicine.Β Some other medicines you are taking may interfere with it, so make sure your doctor knows about all the other medicines you are using.
π Drug Information
| Generic Name(s) | Naloxone (400mcg) |
| Brand Name | nex 400mcg injection |
| Manufacturer | Neon Laboratories Ltd |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | NEURO CNS |
| Action Class | Opioid Antagonist |
| Route of Administration | Oral |
| Storage | Room temperature (15-30Β°C), away from moisture |
| Shelf Life | As per manufacturer |
π‘ How to Take nex 400mcg injection
Follow your doctor's prescription exactly.
β οΈ Side Effects of nex 400mcg injection
- Dizziness
- Injection site redness
- Decreased blood pressure
- Headache
- High blood pressure
Consult your doctor if you experience any unusual symptoms.
π¬ Drug Interactions
π‘οΈ Safety & Warnings
π¨ββοΈ Reviewed by Expert
π Substitutes for nex 400mcg injection
View AllAlternative brands with exact same active ingredient (Naloxone (400mcg)):
-
nalox 400mcg injectionSamarth Life Sciences Pvt Ltd βΉ84.50 17.2% CHEAPER
-
Narcotan 400mcg InjectionTroikaa Pharmaceuticals Ltd βΉ200.00 96.1% COSTLIER
Medical Note: Always consult your doctor before switching medications.