Acetaminophen Suppository

Acetaminophen Suppository, available in 125mg and 250mg formulations, are analgesic and antipyretic medications. Derived from para-aminophenol, paracetamol exerts its effects by inhibiting central cyclooxygenase, particularly COx-2, thereby reducing prostaglandin synthesis.

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Analgesic Effect: The precise mechanism of paracetamol's analgesic effect is not fully understood. It primarily involves inhibiting cyclooxygenase in the central nervous system, particularly COx-2, to reduce prostaglandin synthesis. Additionally, it may have peripheral effects by blocking painful nerve impulses. Other potential mechanisms include inhibiting prostaglandin synthesis, activating the CB1 cannabinoid receptor, modulating serotonergic or opiate signaling pathways, inhibiting nitric oxide synthesis, or reducing substance P-induced hyperalgesia.

Antipyretic Effect: Acetaminophen Suppository acts on the hypothalamic thermoregulatory center by inhibiting prostaglandin synthesis and the effects of endogenous pyrogens, resulting in peripheral vasodilation, increased skin blood flow, and enhanced sweating, aiding heat loss.

Duration of Action: The analgesic and antipyretic effects of paracetamol peak within 1-3 hours and last for approximately 3-4 hours.

Acetaminophen Suppository differs from aspirin (ASA) and other NSAIDs in that it does not cause gastric mucosal damage or platelet inhibition. It lacks significant anti-inflammatory activity, except in some non-rheumatic pathologies.

Acetaminophen Suppository are effective analgesic and antipyretic medications suitable for various conditions requiring pain relief and fever reduction. Its unique mechanism of action and minimal side effects make it a commonly used medication in clinical practice.

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