Drugs and Medications
Compendium Articles
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Magnesium Hydroxide
Learn about Magnesium hydroxide used as an antacid to neutralize stomach acid and also as a laxative, and in some cases, prescribed to help relieve mild colic in equines.
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Magnesium Sulfate - Epsom Salts
 Learn about the many uses of Magnesium sulfate or Epsom salts in horse stables and in the treatment of horses for a number of conditions related to the circulatory, integumentary, and digestive systems.
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Meclofenamic Acid
Learn about Meclofenamic acid as a nonsteroidal anti-inflammatory drug (NSAID) with effects similar to those of aspirin which makes horses more comfortable by reducing musculoskeletal pain, inflammation, and fever.
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Mepivacaine Hydrochloride
Learn about Mepivacaine Hydrochloride as a local anesthetic for surgical sites, nerve blocks and joint anesthesia and as topical anesthesia for the lining of the throat and larynx prior to laryngeal surgery.
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Methocarbamol
Learn how Methocarbamol is used to reduce muscle spasms in a number of horse conditions and also has a sedative action beneficial to anxious equines that are in pain.
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Methylprednisolone
Learn about Methylprednisolone as a synthesized adrenal steroid used systemically to decrease inflammatory and immune responses in horses and also in emergencies for anaphylactic reactions, spinal cord trauma and shock.
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Methylsulfonylmethane
Methylsulfonylmethane is primarily given to horses as a joint supplement to aid in the health of collagen and cartilage.
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Metronidazole
Learn about Metronidazole as an antibiotic and antiprotozoal drug used to treat Giardia infections resulting in severe diarrhea and with other antibiotics to treat pleuropneumonia, peritonitis, abdominal abscesses, and other severe infections in horses.
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Mineral Oil
Learn about the many uses of Mineral oil used in horses to treat constipation, fecal impactions, sand colic and also as an anti-toxin because of its laxative and solubility properties.
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Morphine Sulfate
Learn how Morphine sulfate is used as a narcotic analgesic to relieve moderate to severe pain, and also as a pre-anesthetic agent for some surgical procedures in horses.