Boric acid, a common insecticide, can be used to treat a form of ear infection medically known as otitis externa. The infection is caused by bacteria or fungi that usually enter the external ear canal by way of contaminated water, giving the infection its common name: "swimmer's ear."

Tegretol is a brand name of carbamazepine. It is a medication used to control some types of seizures in the treatment of epilepsy. Doctors have also found that it helps to relieve neurological pain, resulting from trigeminal neuralgia.

Doctors use the medication isotretinoin or Accutane to treat severe acne or psoriasis. According to the PDRHealth, an online version of the "Physician's Desk Reference," Accutane should only be used in patients who have not had any success with any other acne medications.

Amlodipine is a calcium channel blocker medication that is used to treat high blood pressure and a type of chest pain called angina. The medication dilates the blood vessels and also lowers the heart rate to relieve the heart of some of the additional pressure it faces when distributing blood throughout the body.

Cholesterol is an important substance in the body and is needed to build cells; however, elevated cholesterol can lead to heart disease or strokes. Medications can be used to lower the levels of cholesterol in the blood. One class of drugs is the HMG-CoA reductase inhibitors.

Relacore is a weight-loss supplement that is available to the public without a prescription. Relacore claims to help people with stubborn belly fat and is also touted as a stress and anxiety reliever.

Pantoprazole is a medication used to treat esophageal damage from acid-related diseases such as acid reflux and Zollinger-Ellison syndrome (a condition of ulcers in the stomach and small intestine). Pantoprazole is a proton pump inhibitor that reduces the amount of stomach acid produced.

Carpal tunnel syndrome can be a painful condition caused by compression of the median nerve inside the carpal tunnel. Compression occurs as a result of swollen tissue pressing on the nerve.

Loestrin 24, the brand name of the birth control medication containing the hormones ethinyl estradiol and norethindrone, is over 99 percent effective at preventing pregnancy when used properly.

Methotrexate, sold under the trade names Rheumatrex and Trexall, is classified as an antimetabolite medication. This means that it effectively interferes with the normal metabolism of cells. Methotrexate is effective in treating Rheumatoid Arthritis, Psoriasis, cancers and ectopic pregnancies.

Derived from the leaves and fruit of the Senna alexandrina plant, senna tea has been used for centuries as a natural stimulant laxative. Senna is also an FDA-approved nonprescription over-the counter laxative. A stimulant laxative can relieve constipation by stimulating the intestines to undergo a bowel movement.

MAOs, or monoamine oxidases, are enzymes that break down neurotransmitters and stop their messaging activity. MAO-A breaks down serotonin, epinephrine and norepinephrine; MAO-B deactivates dopamine.