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 14 educational drug references. Access indications, general usage notes, precautions, and interaction warnings.

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Browse Drugs by First Letter:
AnalgesicOTC

Acetaminophen

Generic: Acetaminophen

Pain relief, fever reduction

⚙️ Work Mechanism:

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

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Salicylate, NSAIDOTC

Aspirin

Generic: Aspirin

Pain relief, prevent heart attacks

⚙️ Work Mechanism:

At low doses, Aspirin permanently deactivates the sticky chemical signals inside platelets, keeping blood flowing smoothly and preventing heart attacks and ischemic strokes.

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COX-2 Inhibitor, NSAIDRx

Celecoxib

Generic: Celecoxib

Relieve pain and inflammation

⚙️ Work Mechanism:

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

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SNRIRx

Duloxetine

Generic: Duloxetine

Treat depression, anxiety, nerve pain

⚙️ Work Mechanism:

Duloxetine works at the cellular level to correct underlying biochemical imbalances, reduce clinical symptoms, and support overall health.

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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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NSAIDOTC and Prescription

Ibuprofen

Generic: Ibuprofen

Pain, fever, inflammation

⚙️ Work Mechanism:

Ibuprofen stops the body from producing prostaglandins—the biochemical messengers responsible for pain, heat, redness, and swelling at injury sites.

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NSAIDPrescription Only

Indomethacin

Generic: Indomethacin

Moderate to severe pain, rheumatoid arthritis, gout

⚙️ Work Mechanism:

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

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NSAIDPrescription Only

Ketorolac

Generic: Ketorolac

Short-term management of moderate to severe acute pain

⚙️ Work Mechanism:

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

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Nonsteroidal Anti-inflammatory Drugs (NSAIDs)Prescription

Meloxicam

Generic: Meloxicam

Relief of signs and symptoms of osteoarthritis and rheumatoid arthritis

⚙️ Work Mechanism:

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

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Nonsteroidal Anti-inflammatory Drugs (NSAIDs)Prescription, OTC

Naproxen

Generic: Naproxen

Relief of mild to moderate pain, inflammation, and fever

⚙️ Work Mechanism:

Naproxen 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.

View Monograph & Dosage
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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