Terazosin is used for:

Treating high blood pressure and treating signs and symptoms of benign prostatic hyperplasia (BPH).

Terazosin is an alpha-blocker. It works by relaxing muscles in the blood vessels, resulting in lowering of blood pressure. In BPH, alpha-blockers work by relaxing muscles around the urethra (tube that drains urine from the bladder), which improves urinary symptoms.

Do NOT use Terazosin if:

• you are allergic to any ingredient in Terazosin or to similar medicines (eg, prazosin)
• you are currently taking a phosphodiesterase type 5 inhibitor (eg, sildenafil), a medicine used frequently for sexual dysfunction

Contact your doctor or health care provider right away if any of these apply to you.

Before using Terazosin :

Some medical conditions may interact with Terazosin. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

• if you are pregnant, planning to become pregnant, or are breast-feeding
• if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
• if you have allergies to medicines, foods, or other substances
• if you have prostate cancer, angina pectoris, heart disease, kidney or liver problems, or any other medical condition

Some MEDICINES MAY INTERACT with Terazosin. Tell your health care provider if you are taking any other medicines, especially any of the following:

• Phosphodiesterase type 5 inhibitors (eg, sildenafil) or verapamil because severe dizziness, lightheadedness, or fainting may occur

This may not be a complete list of all interactions that may occur. Ask your health care provider if Terazosin may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Terazosin :

Use Terazosin as directed by your doctor. Check the label on the medicine for exact dosing instructions.

• An extra patient leaflet is available with Terazosin. Talk to your pharmacist if you have questions about this information.
• If you miss a dose of Terazosin , take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once. If more than one dose is missed, contact your doctor or pharmacist.

Ask your health care provider any questions you may have about how to use Terazosin.

Important safety information:

• Terazosin may cause drowsiness, dizziness, blurred vision, or lightheadedness. These effects may be worse if you take it with alcohol or certain medicines. Use Terazosin with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
• Do not drink alcohol or use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using Terazosin ; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
• Terazosin may cause a sudden drop in blood pressure after the very first dose. Take you first dose at bedtime. If you get up during the night, sit up slowly, then stand slowly. This will help to reduce your lightheadedness or dizziness. These effects will more likely occur after you have taken the first few doses or if you have increased your dose, but can occur at any time while you are taking the medicine. It can also occur if you stop taking the medicine and restart treatment.
• Terazosin may cause dizziness, lightheadedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects.
• Patients who take medicine for high blood pressure often feel tired or run down for a few weeks after starting treatment. Be sure to take your medicine even if you may not feel "normal." Tell your doctor if you develop any new symptoms.
• Terazosin may rarely cause a prolonged, painful erection. This could happen even when you are not having sex. If this is not treated right away, it could lead to permanent sexual problems such as impotence. Contact your doctor right away if this happens.
• Terazosin should not be used in CHILDREN; safety and effectiveness in children have not been confirmed.
• PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Terazosin while you are pregnant. It is not known if Terazosin is found in breast milk. If you are or will be breast-feeding while you use Terazosin , check with your doctor. Discuss any possible risks to your baby.

Possible side effects of Terazosin :

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Dizziness; drowsiness; dry mouth; feeling of a whirling motion; headache; lightheadedness; nasal congestion; nausea; weakness.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision; chest pain; decreased sexual ability; difficulty breathing; easy bleeding or bruising; fainting; painful penile erection; pounding or tightness in the chest; ringing in the ears; swelling of the hands or feet.

What is the shelf life of the pills?

• The expiry date is mentioned on each blister. It is different for different batches. The shelf life is 2 years from the date of manufacture and would differ from batch to batch depending on when they were manufactured.

Other Useful Information:

Calcium: A mineral found mainly in the hard part of bones, where it is stored. Calcium is added to bones by cells called osteoblasts and is removed from bones by cells called osteoclasts. Calcium is essential for healthy bones. It is also important for muscle contraction, heart action, nervous system maintenance, and normal blood clotting. Food sources of calcium include dairy foods, some leafy green vegetables such as broccoli and collards, canned salmon, clams, oysters, calcium-fortified foods, and tofu. According to the National Academy of Sciences, adequate intake of calcium is 1,200 milligrams a day (four glasses of milk) for men and women 51 and older, 1,000 milligrams a day for adults 19 through 50, and 1,300 milligrams a day for children 9 through 18. The upper limit for calcium intake is 2.5 grams daily.

Cavities: Holes in the two outer layers of a tooth called the enamel and the dentin. The enamel is the outermost white hard surface and the dentin is the yellow layer just beneath enamel. Both layers serve to protect the inner living tooth tissue called the pulp, where blood vessels and nerves reside. Small cavities may not cause pain, and may be unnoticed by the patient. Larger cavities can collect food, and the inner pulp of the affected tooth can become irritated by bacterial toxins, foods that are cold, hot, sour, or sweet - causing toothache.

Naturopathy: A system of therapy based on preventative care, and on the use of heat, water, light, air, and massage as primary therapies for disease. Some naturopaths use no medications, either pharmaceutical or herbal. Some recommend herbal remedies only. A few who are licensed to prescribe may recommend pharmaceuticals in those cases where they feel their use is warranted.

Naturopathy is an American healthcare profession. It was founded in the US as a formal healthcare system at the turn of the 20th century by medical practitioners from various natural therapeutic disciplines. By the early 1900s, more than 20 naturopathic medical schools existed, and naturopathic physicians were licensed in most States. Today there are more than 1,000 licensed naturopathic doctors in the US.

As practiced today, naturopathic medicine integrates traditional natural therapeutics -- including botanical medicine, clinical nutrition, homeopathy, acupuncture, traditional oriental medicine, hydrotherapy, and naturopathic manipulative therapy -- with modern scientific medical diagnostic science and standards of care. The medical research base of naturopathic practice consists of empirical documentation of treatments using case history observations, medical records, and summaries of practitioners' clinical experiences.

At present, the two accredited naturopathic medical schools in the US have active research departments. Naturopathic researchers have investigated the pharmacology and physiological effects of nutritional and natural therapeutic agents, and naturopathic physicians have been active in the investigation of new homeopathic remedies and in the natural treatment of women's health problems. The most recently completed naturopathic study in women's health tested the clinical and endocrine effects of a botanical formula as an alternative to estrogen replacement therapy.

Blood: The familiar red fluid in the body that contains white and red blood cells, platelets, proteins, and other elements. The blood is transported throughout the body by the circulatory system. Blood functions in two directions: arterial and venous. Arterial blood is the means by which oxygen and nutrients are transported to tissues while venous blood is the means by which carbon dioxide and metabolic by-products are transported to the lungs and kidneys, respectively, for removal from the body.

Blood pressure: The blood pressure is the pressure of the blood within the arteries. It is produced primarily by the contraction of the heart muscle. It's measurement is recorded by two numbers. The first (systolic pressure) is measured after the heart contracts and is highest. The second (diastolic pressure) is measured before the heart contracts and lowest. A blood pressure cuff is used to measure the pressure. Elevation of blood pressure is called "hypertension".

Brain: That part of the central nervous system that is located within the cranium (skull). The brain functions as the primary receiver, organizer and distributor of information for the body. It has two (right and left) halves called "hemispheres."

Disease: Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.

Doctor: In a medical context, any medical professional with an MD, a PhD, or any other doctoral degree. The term doctor is quite nonspecific. A doctor may, for example, be a physician, psychologist, biomedical scientist, dentist, or veterinarian. In a nonmedical context, a professor of history might be addressed as doctor, an eminent theologian might be named a doctor of a church, and a person awarded an honorary doctorate by a college or university might also be called a doctor.

The word "doctor" comes from the Latin "docere" meaning to teach. A doctor was a teacher, especially a learned or authoritative one.