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Drugs A to Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y 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.


H
Haemophilus B is a type of influenza (flu) caused by bacteria.

Haemophilus B is a type of influenza (flu) caused by bacteria.

Haemophilus B is a type of influenza (flu) caused by bacteria.

Haemophilus B is a type of influenza (flu) caused by bacteria.

Haemophilus influenzae is a serious disease caused by bacteria. It usually strikes children younger than 5 years old. Haemophilus influenzae is spread from person to person. Children and adults may have the bacteria and not know it. If the germs stay in a child's nose and throat, the child probably will not get sick. But sometimes the germs spread into the lungs or the bloodstream, and then Hib can cause serious problems. Hib vaccine exposes the individual to a small amount of the bacteria (or to a protein from the bacteria) and causes the body to develop immunity to the disease.

Halazepam is not commercially available in the United States.

Halcinonide is a topical (for the skin) steroid. It reduces the actions of chemicals in the body that cause inflammation, redness, and swelling.

Halobetasol is a topical (for the skin) steroid. It reduces the actions of chemicals in the body that cause inflammation, redness, and swelling.

Halofantrine is an antimalarial drug. The exact way that halofantrine works is unknown.

Haloperidol is an antipsychotic medication. It works by changing the actions of chemicals in your brain.

Haloprogin topical is an antifungal medication. It prevents fungus from growing on your skin.

Heme iron polypeptide is a type of iron. You normally get iron from the foods you eat. In your body, iron becomes a part of your hemoglobin (HEEM o glo bin) and myoglobin (MY o glo bin). Hemoglobin carries oxygen through your blood to tissues and organs. Myoglobin helps your muscle cells store oxygen.

Heparin is an anticoagulant (blood thinner) that prevents the formation of blood clots.

Hepatitis A and B are serious diseases caused by virus.

Hepatitis A is a serious disease caused by a virus. Hepatitis A virus (HAV) is found in the stool of persons with hepatitis A. HAV can be spread through close personal contact, by drinking contaminated water or by eating contaminated food. HAV can also be spread by having unprotected sex with an infected person, by sharing needles when injecting drugs or by being stuck with a used needle on the job. Hepatitis A vaccine exposes the individual to a small amount of the virus (or to a protein from the virus) and causes the body to develop immunity to the disease.

Hepatitis B immune globulin is made from human plasma containing proteins that protect against the type B form of hepatitis (inflammation of the liver).

Hepatitis B is a disease of the liver that is spread through blood or bodily fluids, sexual contact or sharing IV drug needles with an infected person, or during childbirth when a baby is born to a mother who is infected. Hepatitis causes inflammation of the liver, vomiting, and jaundice (yellowing of the skin or eyes). Hepatitis can lead to liver cancer, cirrhosis, or death.

Hepatitis is a serious disease caused by a virus. Hepatitis A is spread through contact with the stool (bowel movements) of a person infected with the hepatitis A virus. This usually occurs by eating food or drinking water that has become contaminated as a result of handling by an infected person.

Hepatitis is a serious disease caused by a virus. Hepatitis A is spread through contact with the stool (bowel movements) of a person infected with the hepatitis A virus. This usually occurs by eating food or drinking water that has become contaminated as a result of handling by an infected person.

Hetastarch (hydroxyethyl) is a plasma volume expander derived from natural sources of starch. It works by restoring blood plasma lost through severe bleeding.

Histrelin is a man-made form of a hormone that regulates many processes in the body. Histrelin overstimulates the body's own production of certain hormones, which causes that production to shut down temporarily.

Homatropine ophthalmic causes the muscles in your eye to become relaxed. This widens your pupil. Your pupil will remain wide and will not respond to light.

Human chorionic gonadotropin (HCG) is a hormone that supports the normal development of an egg in a woman's ovary, and stimulates the release of the egg during ovulation.

Human papillomavirus (HPV) can cause genital warts, cancer of the cervix, and various cancers of the vulva or vagina.

Hyaluronan is similar to synovial fluid, a substance that occurs naturally in the joints. Synovial fluid acts as a lubricant and shock absorber.

Hyaluronidase is a genitically designed protein.

Hydralazine is a vasodilator that works by relaxing the muscles in your blood vessels to help them dilate (widen). This lowers blood pressure and allows blood to flow more easily through your veins and arteries.

Hydralazine is a vasodilator. It lowers blood pressure by relaxing (widening) blood vessels (veins and arteries) and making it easier for your heart to pump.

Hydralazine is a vasodilator. It relaxes (widens) veins and arteries, which makes it easier for your heart to pump.

Hydrochlorothiazide and hydralazine is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Hydrocodone is a narcotic cough medicine.

Hydrocodone is a narcotic. It is a pain reliever and a cough suppressant.

Hydrocodone is in a group of drugs called narcotic pain relievers.

Hydrocortisone is a steroid medication. Hydrocortisone topical reduces or inhibits the actions of chemicals in the body that cause inflammation, redness, swelling, and itching.

Hydrocortisone is a steroid medicine that reduces inflammation in the body.

Hydrocortisone is a steroid medicine that reduces inflammation in the body.

Hydrocortisone is a steroid. It reduces the actions of chemicals in the body that cause inflammation, redness, and swelling.

Hydrocortisone is a topical steroid. It reduces the actions of chemicals in the body that cause inflammation, redness, and swelling.

Hydrocortisone is in a class of drugs called steroids. Hydrocortisone prevents the release of substances in the body that cause inflammation.

Hydromorphone is in a group of drugs called narcotic pain relievers, also called opioids. It is similar to morphine.

Hydromorphone is in a group of drugs called narcotic pain relievers. It is similar to morphine.

Hydroquinone decreases the formation of melanin in the skin. Melanin is the pigment in skin that gives it a brown color.

Hydroxocobalamin is a form of vitamin B-12. It is used as an antidote to cyanide poisoning. Hydroxocobalamin works by helping cells in the body convert cyanide to a form that can be removed from the body through urination.

Hydroxyamphetamine ophthalmic causes the muscles in your eye to become relaxed. This widens your pupil.

Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites. Parasites that cause malaria typically enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia.

Hydroxyurea affects certain cells in the body, such as cancer cells or sickled red blood cells.

Hydroxyzine depresses activity in the central nervous system (brain and spinal cord), which causes relaxation and relief from anxiety. Therefore, hydroxyzine is used to treat anxiety disorders and tension in stressful situations--before surgery, for example.

Hylan G-F 20 is similar to synovial fluid, a substance that occurs naturally in the joints. Synovial fluid acts as a lubricant and shock absorber.

Hyoscyamine produces many effects in the body, including relief from muscle spasms.

Methyldopa and hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Neomycin and polymyxin B are antibiotics. They fight bacteria in the body.

Reserpine 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.

The use of horse chestnut 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.

Hydrocortisone is a steroid medicine that reduces inflammation in the body.

Hydrocortisone is a steroid medicine that reduces inflammation in the body.

Hydrocortisone is a topical steroid. It reduces the actions of chemicals in the body that cause inflammation, redness, and swelling.

Hydrocortisone is in a class of drugs called steroids. Hydrocortisone prevents the release of substances in the body that cause inflammation.

Hydromorphone is in a group of drugs called narcotic pain relievers. It is similar to morphine.

Hydromorphone is in a group of drugs called narcotic pain relievers. It is similar to morphine.

Hydrocortisone is a topical steroid. It reduces the actions of chemicals in the body that cause inflammation, redness, and swelling.

Hydromorphone is in a group of drugs called narcotic pain relievers. It is similar to morphine.

Hydromorphone is in a group of drugs called narcotic pain relievers. It is similar to morphine.

Hyoscyamine produces many effects in the body, including relief from muscle spasms.

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