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Drugs A to Z
Select any letter to display the medications available then choose one to learn more about the side effects, dosing, interactions and the most important information about its use.
G
Gabapentin is an anti-epileptic medication, also called an anticonvulsant. It affects
chemicals and nerves in the body that are involved in the cause of seizures and some types of
pain.
Gadopentetate dimeglumine is a contrast agent. Gadopentetate dimeglumine produces
magnetic effects. It is used in combination with magnetic resonance imaging (MRI) to allow
blood vessels, organs, and other non-bony tissues to be seen more clearly on the MRI.
Galantamine improves the function of nerve cells in the brain. It works by preventing the
breakdown of a chemical called acetylcholine (ah see til KO leen). People with dementia usually
have lower levels of this chemical, which is important for the processes of memory, thinking, and
reasoning.
Gallium nitrate is a form of nitrate salt.
Galsulfase is used to treat some of the symptoms of a genetic condition called
Maroteaux-Lamy syndrome. Maroteaux-Lamy syndrome is also called mucopolysaccharidosis
(MYOO-koe-pol-ee-SAK-a-rye-DOE-sis).
Ganciclovir is an antiviral drug. It slows the growth and spread of the cytomegalovirus.
Ganirelix is a man-made protein that inhibits the actions of the naturally-occurring hormone
gonadotropin-releasing hormone (GnRH).
Gatifloxacin is an antibiotic in a group of drugs called fluoroquinolones. It fights bacteria
in the body.
Gatifloxacin ophthalmic is an antibiotic.
Gefitinib is a cancer chemotherapy medication. Gefitinib interferes with the growth of cancer
cells and slows their growth and spread in the body.
Gemcitabine is a cancer medication that interferes with the growth and spread of cancer
cells in the body.
Gemfibrozil helps reduce cholesterol and triglycerides (fatty acids) in the blood. High
levels of these types of fat in the blood are associated with an increased risk of atherosclerosis
(clogged arteries).
Gemifloxacin is in a group of antibiotics called fluoroquinolones (flor-o-KWIN-o-lones).
Gemifloxacin fights bacteria in the body.
Gemtuzumab is a cancer (antineoplastic) medication. Gemtuzumab interferes with the growth of
cancer cells and slows their growth and spread in the body.
Gentamicin is an antibiotic. It fights bacteria in the body.
Gentamicin is an antibiotic. It is used to treat bacterial infections.
Gentamicin ophthalmic is an antibiotic.
Glatiramer is a combination of four amino acids (proteins) that affect the immune system.
Glimepiride and pioglitazone is a combination of two oral diabetes medicines that help
control blood sugar levels.
Glimepiride and rosiglitazone is a combination of two oral diabetes medicines that help
control blood sugar levels.
Glimepiride is an oral diabetes medicine that helps control blood sugar levels. This
medication helps your body respond better to insulin produced by your pancreas.
Glipizide and metformin is a combination of two oral diabetes medicines that help control
blood sugar levels.
Glipizide is in a class of drugs called sulfonylureas. It is used to help control blood sugar levels.
Glucagon is a hormone produced in the pancreas. It increases blood sugar levels.
Glyburide and metformin is a combination of two oral diabetes medicines that help
control blood sugar levels.
Glyburide is in a class of drugs called sulfonylureas. It is used to help control blood sugar levels.
Glycopyrrolate reduces the secretions of certain organs in the body.
Gold sodium thiomalate is a form of gold. Gold suppresses the inflammatory process.
Gonadorelin is a man-made protein that is like a hormone in the body called
gonadotropin-releasing hormone (GnRH). GnRH causes the pituitary gland to release other hormones
including luteinizing hormone (LH) and follicle-stimulating hormone (FSH). LH and FSH are important
for proper development in children and fertility in adults.
Goserelin is a man-made protein that is like a hormone in the body called
gonadotropin-releasing hormone (GnRH). Goserelin decreases levels of testosterone in men and
estrogen in women.
Gramicidin, neomycin, and polymyxin B are all antibiotics. They are used to treat
bacterial infections.
Granisetron blocks the actions of chemicals in the body that may cause nausea and vomiting.
Grepafloxacin nasal was withdrawn from the U.S. market in 1999.
Griseofulvin is an antifungal medication. It is like an antibiotic but is used to treat fungal
infections.
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making
it easier to cough out through your mouth.
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making
it easier to cough out through your mouth.
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making
it easier to cough out through your mouth.
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making
it easier to cough out through your mouth.
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making
it easier to cough out through your mouth.
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making
it easier to cough out through your mouth.
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making
it easier to cough out through your mouth.
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making
it easier to cough out through your mouth.
Guaifenesin is an expectorant. It is used to break up congestion and mucous to ease
breathing. Guaifenesin thins mucous, increases lubrication of the respiratory tract (lungs, nose,
and throat), and increases the removal of mucous.
Guaifenesin is an expectorant. It is used to break up congestion and mucous to make breathing
easier. Guaifenesin thins mucous, increases lubrication of the respiratory tract (lungs, nose and throat),
and increases the removal of mucous.
Guanabenz lowers blood pressure by decreasing the levels of certain chemicals in the blood.
This allows the blood vessels (veins and arteries) to relax (widen).
Guanadrel lowers blood pressure by decreasing the levels of certain chemicals in the blood.
This allows the blood vessels (veins and arteries) to relax (widen).
Guanethidine lowers blood pressure by decreasing the levels of certain chemicals in
your blood. This allows your blood vessels (veins and arteries) to relax and your heart to
beat more slowly and easily.
Guanethidine lowers blood pressure by decreasing the levels of certain chemicals in the
blood. This allows your blood vessels (veins and arteries) to relax (widen).
Guanfacine reduces nerve impulses in your heart and blood vessels. Guanfacine works by
relaxing blood vessels, which lowers blood pressure and improves blood flow.
Guanidine improves the action of a chemical in the body that regulates muscle cells.
The use of garlic in cultural and traditional settings may differ from concepts accepted by
current Western medicine. When considering the use of herbal supplements, consultation with a
primary health care professional is advisable. Additionally, consultation with a practitioner trained
in the uses of herbal/health supplements may be beneficial, and coordination of treatment among all
health care providers involved may be advantageous.
The use of gentian in cultural and traditional settings may differ from concepts accepted
by current Western medicine. When considering the use of herbal supplements, consultation with
a primary health care professional is advisable. Additionally, consultation with a practitioner
trained in the uses of herbal/health supplements may be beneficial, and coordination of treatment
among all health care providers involved may be advantageous.
The use of ginger in cultural and traditional settings may differ from concepts accepted by
current Western medicine. When considering the use of herbal supplements, consultation with a
primary health care professional is advisable. Additionally, consultation with a practitioner
trained in the uses of herbal/health supplements may be beneficial, and coordination of treatment
among all health care providers involved may be advantageous.
The use of ginkgo in cultural and traditional settings may differ from concepts accepted by
current Western medicine. When considering the use of herbal supplements, consultation with a primary
health care professional is advisable. Additionally, consultation with a practitioner trained in the uses of
herbal/health supplements may be beneficial, and coordination of treatment among all health care
providers involved may be advantageous.
The use of ginseng in cultural and traditional settings may differ from concepts accepted
by current Western medicine. When considering the use of herbal supplements, consultation with
a primary health care professional is advisable. Additionally, consultation with a practitioner
trained in the uses of herbal/health supplements may be beneficial, and coordination of treatment
among all health care providers involved may be advantageous.
The use of glucosamine in cultural and traditional settings may differ from concepts
accepted by current Western medicine. When considering the use of herbal/health supplements,
consultation with a primary health care professional is advisable. Additionally, consultation with
a practitioner trained in the uses of herbal/health supplements may be beneficial, and
coordination of treatment among all health care providers involved may be advantageous.
The use of goldenseal in cultural and traditional settings may differ from concepts
accepted by current Western medicine. When considering the use of herbal supplements,
consultation with a primary health care professional is advisable. Additionally, consultation with
a practitioner trained in the uses of herbal/health supplements may be beneficial, and
coordination of treatment among all health care providers involved may be advantageous.
The use of gotu kola in cultural and traditional settings may differ from concepts accepted
by current Western medicine. When considering the use of herbal supplements, consultation with
a primary health care professional is advisable. Additionally, consultation with a practitioner
trained in the uses of herbal/health supplements may be beneficial, and coordination of treatment
among all health care providers involved may be advantageous.
The use of grape seed in cultural and traditional settings may differ from concepts
accepted by current Western medicine. When considering the use of herbal supplements,
consultation with a primary health care professional is advisable. Additionally, consultation with
a practitioner trained in the uses of herbal/health supplements may be beneficial, and
coordination of treatment among all health care providers involved may be advantageous.
The use of green tea in cultural and traditional settings may differ from concepts accepted by
current Western medicine. When considering the use of herbal supplements, consultation with a primary
health care professional is advisable. Additionally, consultation with a practitioner trained in the uses of
herbal/health supplements may be beneficial, and coordination of treatment among all health care
providers involved may be advantageous.
The use of guarana in cultural and traditional settings may differ from concepts accepted by
current Western medicine. When considering the use of herbal supplements, consultation with a primary
health care professional is advisable. Additionally, consultation with a practitioner trained in the uses of
herbal/health supplements may be beneficial, and coordination of treatment among all health care
providers involved may be advantageous.
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making
it easier to cough out through your mouth.
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making
it easier to cough out through your mouth.
The use of glucosamine in cultural and traditional settings may differ from concepts
accepted by current Western medicine. When considering the use of herbal/health supplements,
consultation with a primary health care professional is advisable. Additionally, consultation with
a practitioner trained in the uses of herbal/health supplements may be beneficial, and
coordination of treatment among all health care providers involved may be advantageous.
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