What is metoclopramide, and how does it work? Metoclopramide is a "prokinetic" drug that stimulates the muscles of the gastrointestinal tract including the muscles of the lower esophageal sphincter, stomach, and small intestine by interacting with receptors for acetylcholine and dopamine on gastrointestinal muscles and nerves. The lower esophageal sphincter, located between the esophagus and …
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What is Adderall (amphetamine and dextroamphetamine)? What are the uses of Adderall? Adderall contains amphetamine salts (amphetamine and dextroamphetamine) and is used for treating attention-deficit hyperactivity disorder (ADHD) and narcolepsy. Amphetamines stimulate the brain by increasing the level of neurotransmitters, dopamine and norepinephrine, in the brain. (Neurotransmitters are chemicals produced by nerves that are released and attach to other nearby …
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What is lithium, and how does it work (mechanism of action)? Lithium is used for the treatment of manic/depressive (bipolar) and depressive disorders. Lithium is a positively charged element or particle that is similar to sodium and potassium. It interferes at several places inside cells and on the cell surface with other positively charged atoms such as sodium, potassium, calcium, …
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What is famciclovir? What are the uses for famciclovir? Famciclovir is an antiviral drug which is active against the Herpes viruses, including herpes simplex 1 and 2 (cold sores and genital herpes) and varicella-zoster (shingles and chickenpox). It belongs to a class of drugs called nucleoside analogs that mimic one of the building blocks of DNA. It stops the spread …
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What are SGLT2 inhibitors? SGLT2 (sodium-glucose co-transporter 2) inhibitors are prescription oral medications used to treat type 2 diabetes. What generic and brand names of SGLT2 inhibitors are available in the US? Brand and generic names of SGLT2 inhibitors and combination products that contain SGLT2 inhibitors include: canagliflozin (Invokana) canagliflozin/metformin (Invokamet) canagliflozin/metformin extended release (Invokamet XR) dapagliflozin (Farxiga) dapagliflozin/metformin extended …
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What is olanzapine, and how does it work (mechanism of action)? Olanzapine is a drug that is used to treat schizophrenia and acute manic episodes associated with bipolar I disorder. Olanzapine belongs to a drug class known as atypical antipsychotics. Other members of this class include clozapine (Clozaril), risperidone (Risperdal), aripiprazole (Abilify) and ziprasidone (Geodon). The exact mechanism of action …
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What is promethazine and codeine, and how does it work (mechanism of action)? Promethazine is in a class of drugs called phenothiazines which also includes chlorpromazine, and trifluoperazine; however, unlike the other drugs in this class, promethazine is not used as an anti-psychotic but rather as an anti-histamine, sedative, antiemetic (anti-nausea), and cough suppressant. Cells in the body release histamine …
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What is lisdexamfetamine (Vyvanse)? What are the uses for lisdexamfetamine (Vyvanse)? Vyvanse is a central nervous system (CNS) stimulant used for the treatment of: attention deficit hyperactivity disorder (ADHD), and moderate-to-severe binge eating disorder. What are the side effects of lisdexamfetamine (Vyvanse)? Common side effects of Vyvanse include: upper abdominal pain, nausea, dry mouth, dizziness, weight loss, trouble sleeping, irritability, …
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What is sumatriptan? What are the uses for sumatriptan? Sumatriptan is a drug that is used for treating migraine headaches. It belongs to a class of drugs called selective serotonin receptor agonists. Other members of this class include naratriptan (Amerge), zolmitriptan (Zomig), rizatriptan (Maxalt), frovatriptan (Frova), eletriptan (Relpax), and almotriptan (Axert). Migraine headaches are believed to result from dilatation of …
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What is guanfacine? What is guanfacine used for? Guanfacine is an oral, centrally-acting alpha 2A adrenergic receptor agonist. It is available in two different formulations, Tenex immediate release tablets and Intuniv extended release tablets. Tenex is used alone or in combination with other medications for the treatment of hypertension (high blood pressure). Guanfacine reduces blood pressure by reducing the resistance …
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