Talk to your pharmacist or contact your local garbage/recycling department to learn about take-back programs in your community. Dizziness, light-headedness or drowsiness may occur with the initial dose or in association with missed doses and subsequent reinitiation of terazosin therapy. Do not "double-up" the dose to catch up. Do not double doses. You may wish to take this medication only at bedtime if it causes you to feel light-headed. If you miss a dose of terazosin, take it as soon as possible. You may report side effects to FDA at 1-800-FDA-1088.Tell your doctor about all other medications you use, especially:other blood pressure medications, including diuretics (water pills).This list is not complete and other drugs may interact with terazosin. Skip the missed dose if it is almost time for your next scheduled dose. Getting up slowly may help lessen this problem. If it is almost time for the next dose, skip the missed dose and take your next dose at the regular time. Drug information provided by: IBM Micromedex Along with its needed effects, a medicine may cause some unwanted effects. Call your doctor if you have any unusual problems while taking this medication.Keep this medication in the container it came in, tightly closed, and out of reach of children. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Try to take it at the same time each day. Then sit for a few moments before standing to prevent the dizziness from returning.The dizziness, lightheadedness, or fainting is more likely to occur if you drink alcohol, stand for long periods of time, exercise, or if the weather is hot. Contact your doctor if 2 or more consecutive doses are missed… If you feel dizzy, lie down so that you do not faint. If you miss your doses for several days in a row, contact your doctor before restarting the … However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. If it is near the time of the next dose, skip the missed dose. Do not stop taking this medication without consulting your doctor. If you miss a dose, take as soon as remembered; do not take if it is almost time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. We comply with the HONcode standard for trustworthy health information - Take a missed dose as soon as you think about it. If you miss a dose, take the missed dose as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. Carcinoma of the prostate and BPH cause many of the same symptoms; these two diseases frequently co-exist; patients thought … Terazosin is used in men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia or BPH), which include difficulty urinating (hesitation, dribbling, weak stream, and incomplete bladder emptying), painful urination, and urinary frequency and urgency. This can cause problems in urinating, such as a need to urinate often, a weak stream when urinating, or a feeling of not being able to empty the bladder completely.Terazosin helps relax the muscles in the prostate and the opening of the bladder. If it continues for a long time, the heart and arteries may not function properly. If it is near the time of the next dose, skip the missed dose. Most people with high blood pressure do not feel sick. If any of these effects persist or worsen, notify your doctor promptly. If you stop taking terazosin for a few days or longer, call your doctor. If you miss 2 or more days of terazosin… Do not start or stop any medicine without doctor or pharmacist approval. The prostate may continue to grow. Keep from freezing.Do not keep outdated medicine or medicine no longer needed.It is important that your doctor check your progress at regular visits to make sure that terazosin is working properly.For patients taking terazosin for high blood pressure :Dizziness, lightheadedness, or sudden fainting may occur after you take terazosin, especially when you get up from a lying or sitting position. This may help increase the flow of urine and/or decrease the symptoms. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.The presence of other medical problems may affect the use of terazosin. If it is close to the time for your next dose, skip the missed dose and go back to your normal time. Limit your intake of alcohol and avoid getting overheated because they may increase the dizziness and drowsiness effects of this drug. See the FDA's Safe Disposal of Medicines website (In case of overdose, call the poison control helpline at 1-800-222-1222. It relieves the symptoms of BPH by relaxing the muscles of the bladder and prostate. These effects are more likely to occur when you take the first dose of terazosin.