Morphine
Morphine Morphine is the prototype opioid analgesic, widely used for moderate‑to‑severe pain management and in critical care for dyspnea, shock, and postoperative analgesia. Mechanism of Action Morphine preferentially binds to…
Montelukast
Montelukast Montelukast is a selective cysteinyl leukotriene receptor antagonist used primarily for asthma and allergic rhinitis. Mechanism of Action CysLT1 receptor blockade: Montelukast competitively inhibits leukotriene D4 (LTD₄) binding to…
Modafinil
Modafinil Modafinil (brand names: Provigil, Modalert, Modvigil) is a wakefulness‑promoting agent used primarily for narcolepsy, shift‑work sleep disorder, and obstructive sleep apnea. Mechanism of Action Dopamine reuptake inhibition: Modafinil blocks…
Mobic
Mobic Mobic (meloxicam) is a preferential COX‑2 inhibitor used for the relief of pain and inflammation in osteoarthritis, rheumatoid arthritis, and other inflammatory musculoskeletal conditions. Mechanism of Action COX inhibition:…
Mirtazapine
Mirtazapine Mirtazapine (brand name Remeron) is an atypical antidepressant known for its distinct antagonistic profile and favorable sedative/apetite‑enhancing properties. Mechanism of Action α‑2‑adrenergic autoreceptor antagonist: increases noradrenergic and serotonergic neurotransmission.…
MiraLAX
MiraLAX Mechanism of Action MiraLAX contains polyethylene glycol 3350 (PEG‑3350), an osmotic laxative that is inert in the gastrointestinal tract. PEG‑3350 draws water into the colon by osmosis, increasing stool…
Mirabegron
Mirabegron Mirabegron is a selective β₃‑adrenergic receptor agonist approved for the treatment of overactive bladder (OAB) with urgency, frequency, and urge‑incontinence. It increases bladder capacity by relaxing the detrusor muscle…
Minoxidil
Minoxidil Mechanism of Action Minoxidil is a vasodilator that was first approved as an oral antihypertensive. Its hair‑growth properties arise from a different pharmacodynamics profile: Potassium channel opener: Activates ATP‑dependent…
Midodrine
Midodrine Midodrine is an oral prodrug that is converted to the active metabolite clonidine hydrochloride (midodrine metabolite) which exerts selective α₁‑adrenergic agonist activity, raising systemic vascular resistance and thereby increasing…
Midazolam
Midazolam Midazolam is a short‑acting, benzodiazepine hypnotic/ anxiolytic with rapid onset and relatively short elimination half‑life. It is widely used for procedural sedation, induction of general anesthesia, seizure control, and…