 Regenon is used in the short-term treatment of obesity. Their appetite-reducing effect tends to decrease after a few weeks. Because of this, these medicines are useful only during the first few weeks of a weight-loss program. Regenon can help you to lose weight while you are learning new ways to eat and to exercise. Changes in eating habits and activity level must be developed and continued long-term in order for you to continue losing weight and to keep the lost weight from returning.
Regenon comes as a regular and extended-release (long-acting) tablet. Regenon usually is taken three times a day, 1 hour before meals (regular tablets), or once a day in midmorning (extended-release tablets). Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take Regenon exactly as directed. Do not crush, chew, or cut extended-release tablets; swallow them whole. Regenon may be habit-forming. Call your doctor if Regenon loses its effect.
Special precautions
Allergies— tell your doctor if you have ever had any unusual or allergic reaction to Regenon or amphetamine, dextroamphetamine, ephedrine, epinephrine, isoproterenol, metaproterenol, methamphetamine, norepinephrine, phenylephrine, phenylpropanolamine, pseudoephedrine, terbutaline, or other appetite suppressants. Also tell your health care professional if you are allergic to any other substances, such as foods, preservatives, or dyes.
Diet— you must follow a reduced-calorie diet while using an appetite suppressant in order to lose weight. Also, in order to keep the lost weight from returning, changes in diet and exercise must be continued after the weight has been lost.
Pregnancy— if a pregnant woman takes Regenon in high doses or more often than the doctor has directed, it may cause withdrawal symptoms in the newborn baby. Also, medicines similar to sympathomimetic appetite suppressants can cause birth defects in the newborn baby if a pregnant woman takes them in high doses. Before taking this medicine, make sure your doctor knows if you are pregnant or if you may become pregnant.
Breast-feeding— Regenon passes into breast milk. It is not known if other sympathomimetic appetite suppressants pass into breast milk. However, use of sympathomimetic appetite suppressants during breast-feeding is not recommended, because it may cause unwanted effects in nursing babies.
Children— Studies on these medicines have been done only in adult patients, and there is no specific information comparing use of sympathomimetic appetite suppressants in children with use in other age groups. The use of these medicines by children younger than 16 years of age is not recommended.
Older adults— 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 or if they cause different side effects or problems in older people. There is no specific information comparing use of appetite suppressants in the elderly with use in other age groups.
Other medical problems— the presence of other medical problems may affect the use of appetite suppressants. Make sure you tell your doctor if you have any other medical problems, especially:
• Alcohol abuse (or history of) or
• Drug abuse or dependence (or history of)—Dependence on Regenon may be more likely to develop
• Diabetes mellitus (sugar diabetes)—The amount of insulin or oral antidiabetic medicine that you need to take may change
• Epilepsy— Regenon may increase the risk of having seizures
• Family history of mental illness—Mental depression or other mental illness may be more likely to occur
• Glaucoma or
• Heart or blood vessel disease or
• High blood pressure or
• Mental illness or
• Overactive thyroid— Regenon may make the condition worse
• Kidney disease—Higher blood levels of the appetite suppressant may occur, increasing the chance of serious side effects
Side effects
Regenon may cause some serious side effects, including heart and lung problems. You and your doctor should discuss the good this medicine may do as well as the risks of taking it.
Along with its needed effects, Regenon may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
- Rare
- Chest pain; decreased ability to exercise ; fainting; swelling of feet or lower legs; trouble in breathing
Check with your doctor as soon as possible if any of the following side effects occur:
More common
Less common or rare
- Difficult or painful urination; fast or irregular heartbeat; feeling that others can hear your thoughts; feeling that others are watching you or controlling your behavior; hallucinations (feeling, seeing, or hearing things that are not there); headache (severe); mental depression; numbness, especially on one side of the face or body; skin rash or hives; sore throat and fever (with diethylpropion) ; talking, feeling, and acting with excitement and activity you cannot control; unusual bleeding or bruising (with diethylpropion)
Symptoms of overdose
- Abdominal or stomach cramps; coma; confusion; convulsions (seizures); diarrhea (severe); dizziness, lightheadedness, or fainting; fast breathing; feeling of panic; fever; hallucinations (seeing, hearing or feeling things that are not there); high or low blood pressure; hostility with urge to attack; irregular heartbeat; nausea or vomiting (severe); overactive reflexes; restlessness; trembling or shaking; tiredness, weakness, and mental depression following effects of excitement
In case of overdose, call your local poison control center. If the victim has collapsed or is not breathing, call local emergency services.
Keep all appointments with your doctor.
Do not let anyone else take your medication.
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