Yohimbine is used to increase peripheral blood flow. It is also used to dilate the pupil of the eye. Yohimbine is available only with your doctor's prescription.
Once a medicine has been approved for marketing for a certain use, experience may show that it is also useful for other medical problems.
Yohimbine is used to treat men with the following medical condition:
Impotence (not able to have erections)
The way yohimbine works is not known for sure. It is thought, however, to work by increasing the body's production of certain chemicals that help produce erections. It does not work in all men who are impotent.
This medicine usually begins to work about 2 to 3 weeks after you begin to take it. The dose of yohimbine will be different for different patients. Follow your doctor's orders or the directions on the label.
The following information includes only the average doses of yohimbine. If your dose is different, do not change it unless your doctor tells you to do so.
The number of tablets that you take depends on the strength of the medicine.
For oral dosage form (tablets):
For treating impotence:
Adults—5.4 to 6 milligrams (mg) three times a day.
2 What to Know Before Using
Before using Yohimbine, you must know all about the risks and complications associated with it. This is a decision you and your doctor will make.
For this medicine, the following should be considered:
Allergies: Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Geriatric Population: Many medicines have not been studied specifically in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults.
Although there is no specific information comparing the use of yohimbine in the elderly with use in other age groups, this medicine has been used in some elderly patients and has not been shown to cause different side effects or problems in older people than it does in younger adults.
Drug Interactions: Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose or other precautions may be necessary.
When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Other Interactions: Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following may cause an increased risk of certain side effects but may be unavoidable in some cases. If used together, your doctor may change the dose or how often you use this medicine or give you special instructions about the use of food, alcohol, or tobacco.
Other Medical Problems: The presence of other medical problems may affect the use of this medicine.
Make sure you tell your doctor if you have any other medical problems, especially:
To use Yohimbine properly, you must follow all instructions given by your doctor. Do not take more or less of it, and do not take it more or less often than your doctor ordered.
Dosing: The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
Missed Dose: If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Storage: Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing. Keep out of the reach of children. Do not keep outdated medicine or medicine no longer needed.
4 Precautions to Take
Before using Yohimbine, there are some precautions you must take. It is important that your doctor check your progress at regular visits to make sure that this medicine is working properly.
Use yohimbine exactly as directed by your doctor. Do not use more of it and do not use it more often than ordered. If too much is used, the risk of side effects such as fast heartbeat and high blood pressure is increased.
5 Potential Side Effects
As with many medications, there are several potential side effects associated with Yohimbine. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor as soon as possible if any of the following side effects occur. Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine.
Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them.
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088
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