Opifent 100 Injection is a pain-relieving medicine. It is used to treat moderate to severe pain. It is also used as an anesthetic agent for short surgical procedures. This medicine should not be used in mild pain. Opifent 100 Injection is administered by a healthcare professional. You should not self-administer this medicine at home. The dose will depend on what you are taking it for and how well it helps your symptoms. The most common side effects of this medicine include muscle rigidity, nausea, and vomiting. You may also experience other common side effects such as dizziness, sleepiness, increased or decreased blood pressure, and irregular heartbeat. If any of these side effects persist or get worse, you should let your doctor know. Your doctor may be able to suggest ways of preventing or reducing the symptoms. Before using it, you should let your doctor know if you have respiratory disorders, heart diseases, high blood pressure, and liver or kidney disease. Let your doctor also know about all the other medicines you are taking because they may affect, or be affected by, this medicine. Pregnant and breastfeeding women should consult their doctors before using the medicine.

• Irregular heartbeats
• Dizziness
• Vomiting
• Nausea
• Drowsiness
• Application site redness
• Respiratory depression
• Rigidity

If you miss a dose of Opifent 100 Injection, consult your doctor.

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