Some are inactivated by food and must be taken on an empty stomach. Some have to be taken on an exact schedule, while others do not. It may be helpful to keep a written record of what you are doing-particularly when several medications are being taken on different schedules. Sometimes specific foods, alcoholic beverages, or other medicines will react unfavorably with the medicine just prescribed. Be sure that your doctor is aware of other drug products, dietary supplements or herbs that you are using.
All drugs have possible side effects.
If they occur, in some cases nothing need be done and the medication can be continued. In others, a change of dosage or a different medication will be advised. The occurrence of certain side effects would be a reason to stop using the drug. It can help to be aware of the common side effects and what to do if they occur. People taking any of these drugs should not drive a car until they have determined that the drugs will not interfere with their ability to do so safely.