For general information only. Not a substitute for professional medical advice.
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CDSCO & WHO Model Essential Medicines Formulary

Medicines & Drug Database A–Z

Search over 5 educational drug references. Access indications, general usage notes, precautions, and interaction warnings.

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Browse Drugs by First Letter:
Opioid AnalgesicSchedule II

Hydrocodone

Generic: Hydrocodone

Severe pain

⚙️ Work Mechanism:

Hydrocodone calms inflammation and blocks chemical pain signals in the nervous system to deliver targeted relief from aches, fever, and stiffness.

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Opioid AnalgesicSchedule II

Hydromorphone

Generic: Hydromorphone

Management of moderate to severe pain

⚙️ Work Mechanism:

Hydromorphone calms inflammation and blocks chemical pain signals in the nervous system to deliver targeted relief from aches, fever, and stiffness.

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Opioid AnalgesicsPrescription (Schedule II)

Oxycodone

Generic: Oxycodone Hydrochloride

Management of moderate to severe pain

⚙️ Work Mechanism:

Oxycodone calms inflammation and blocks chemical pain signals in the nervous system to deliver targeted relief from aches, fever, and stiffness.

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AnalgesicOTC

Paracetamol

Generic: Paracetamol (Acetaminophen)

First-line therapy for the symptomatic relief of mild to moderate pain (tension headache, toothache, musculoskeletal pain, osteoarthritis, dysmenorrhea) and reduction of pyrexia (fever) in viral or bacterial infections.

⚙️ Work Mechanism:

Paracetamol acts in the brain and spinal cord to turn down pain signaling and recalibrate the body's internal thermostat in the hypothalamus, rapidly easing fever and mild-to-moderate aches without causing stomach ulcers.

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Opioid AnalgesicsPrescription Only (Schedule IV)

Tramadol

Generic: Tramadol

Management of pain severe enough to require an opioid analgesic

⚙️ Work Mechanism:

Tramadol calms inflammation and blocks chemical pain signals in the nervous system to deliver targeted relief from aches, fever, and stiffness.

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